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AMD "Zen" Based APUs Later This Year

An AMD representative, responding to a Reddit question on AMD Ryzen branding, confirmed that the company will launch Mobile SoCs (APUs) based on the "Zen" micro-architecture later this year. The logical next-step for AMD with "Zen" beyond "Summit Ridge" has been to combine one or more quad-core "Zen" CCX (CPU complexes) with an integrated graphics core based on one of its newer GPU architectures ("Polaris" or "Vega").

The AMD representative confirmed that the company will launch mobile SoCs that combine "Zen" CPU cores with an integrated GPU, in the second half of 2017. This could hint at the availability of "Zen" powered notebooks, of all shapes and sizes by Holiday 2017. Over the year, AMD will begin launching "Zen" based products, starting off with 8-core high-end Ryzen 7 processors on March 2nd, six-core and some of the higher-end quad-core Ryzen 5 series processors in Q2-2017, and some of the lower-end quad-core Ryzen 3 parts in the second-half of 2017, now joined by mobile SoCs around the same time.

Source: Reddit

Biostar Intros the A6N-5100 "Kabini" Motherboard

Biostar introduced the A6N-5100 mini-ITX motherboard. A slight upgrade over the company's A6N-5000 from two years ago, the new board integrates AMD A4-5100 APU based on the "Kabini" silicon, which has the chops to outperform Intel's Celeron "Braswell" processors. The A4-5100 integrates a quad-core CPU ticking at 1.60 GHz, and AMD Radeon GCN graphics. The board features two DDR3 SO-DIMM slots, supporting up to 16 GB of memory, one PCI-Express 2.0 x16 slot, two USB 3.0 ports, HDMI display output, and storage connectivity that includes two SATA 6 Gb/s ports. The company didn't reveal pricing.

Source: FanlessTech

AMD Readies Ryzen Platform Drivers for Windows 7

AMD is reportedly providing platform (chipset) drivers for its upcoming socket AM4 platform, for the ageing Windows 7 operating system. This is noteworthy as rival Intel isn't providing Windows 7 drivers for its 200-series chipset, which drives the Core "Kaby Lake" processors, and the onboard graphics of Core "Kaby Lake" processors. Graphics drivers by AMD could power integrated graphics cores of the 7th generation A-series "Bristol Ridge" APUs, and the three socket AM4 chipsets - A320, B350, and X370.

Source: ComputerBase.de

AMD ZEN CPU Complexes Indivisible, Don't Expect 6-core Ryzen: Report

In what could be a blow to budget-conscious PC builders, reports are emerging that the quad-core CCX (CPU complex) units that make up Ryzen processors (and upcoming APUs that use them), are indivisible. This means that the "Summit Ridge" silicon can either be configured as full-fledged eight-core parts, or quad-core parts (one CCX) disabled. The likelihood of cost-effective 6-core parts seems slim.

AMD will continue to sell the Ryzen-branded "Summit Ridge" silicon in three grades - SR7 (top), SR5 (mid), and SR3 (entry-level), but the SR5 may not designate the previously rumored 6-core configuration. Instead, SR7 could indicate eight cores and SMT (multi-threading), which works out to 16 logical CPUs; SR5 could indicate eight cores minus SMT (eight cores, eight threads), and SR3 could designate quad-core with SMT (four cores, eight threads). SR7 and SR5 feature the full 16 MB of L3 cache, while SR3 features 8 MB. All three grades are "unlocked," in that they feature unlocked base-clock multipliers, making overclocking easy.
Sources: PCGH, Zolkorn

ASRock Socket AM4 Motherboard Lineup Detailed

At the 2017 International CES, ASRock showed off some of its first socket AM4 motherboards for AMD Ryzen processors and 7th generation A-Series "Bristol Ridge" APUs. Leading the pack is the X370 Taichi. Built in the ATX form-factor, the board draws power from a combination of 24-pin ATX and 8-pin EPS power connectors. It uses a 16-phase CPU VRM with high-capacity Super Alloy chokes. The AM4 socket is wired to four DDR4 DIMM slots, and two PCI-Expres 3.0 x16 slot (x8/x8 when both are populated). The third x16 slot is electrical x4 and wired to the chipset. Two other x1 slots make for the rest of its expansion area.

Connectivity on the X370 Taichi include two USB 3.1 ports (one type-A and one type-C), ten USB 3.0 ports, 8-channel PureSound 4 onboard audio solution (of the same grade the company is deploying on its high-end Intel Z270 motherboards), gigabit Ethernet with an Intel-made controller, and 802.11ac WLAN. Storage options include one 32 Gb/s M.2 slot, one 16 Gb/s M.2 slot, and eight SATA 6 Gb/s ports. Next up, is the X370 Professional Gaming. This board is practically identical to the X370 Taichi. The two boards share a common PCB, and differ only with the red+black color scheme on the X370 Professional Gaming, as opposed to white+black on the X370 Taichi.

Four GIGABYTE Socket AM4 Motherboards Pictured

GIGABYTE showed off four socket AM4 motherboards, designed for the upcoming AMD Ryzen processors and 7th gen. A-series APUs, at its 2017 CES booth. The lineup begins with the AB350M-D3H, an entry-level micro-ATX board based on the mid-tier B350 chipset; the mid-range AB350-Gaming 3, the mid-high segment AX370-Gaming K5, and the AX370-Gaming 5. The AB350-D3H covers the basics, with a 7-phase VRM, one PCI-Express 3.0 x16 slot wired to the AM4 socket, a second x16 slot that's electrical x4 and wired to the B350 chipset, one legacy PCI slot; one 32 Gb/s M.2 slot and six SATA 6 Gb/s ports (from which two are directly wired to the AM4 socket); and connectivity that includes 6-channel HD audio, gigabit Ethernet, two USB 3.1 (10 Gb/s) ports, DVI, HDMI 2.0, and DisplayPort.

Moving up the ladder, the AB350-Gaming 3 is a gaming-grade board in the ATX form-factor, featuring a red+black color scheme. The board draws power from a combination of 24-pin ATX and 8-pin EPS power connectors; conditioning it for the CPU with a 7-phase VRM. The APU is wired to four DDR4 DIMM slots, and one PCI-Express 3.0 x16 slot. Other expansion slots include two x16 slots that are electrical x4, and two x1 slots. Storage connectivity includes one 32 Gb/s M.2 and six SATA 6 Gb/s ports (from which two are low-latency ports). Display outputs include DVI, DisplayPort, and HDMI. USB connectivity includes two USB 3.1 (10 Gb/s) ports, and six USB 3.0 ports. GIGABYTE deployed its gaming-grade AMPUp! onboard audio solution with a 115 dBA SNR CODEC, ground-layer isolation, audio-grade capacitors, a headphones amp, and gold-plated audio jacks. Network is care of an Intel-made gigabit Ethernet controller.

MSI B350 Tomahawk Socket AM4 Motherboard Pictured

Here are some of the first pictures of MSI B350 Tomahawk, an upcoming socket AM4 motherboard that comes with support for AMD Ryzen CPUs. Positioned in the company's "Arsenal Gaming" series, this board is based on AMD's mid-tier B350 chipset. It covers the entire feature-set of the B350 chipset. The board draws power from a combination of 24-pin ATX and 8-pin EPS power connectors. It conditions it for the AM4 processor/APU with a 4+2 phase VRM. The AM4 socket is wired to four DDR4 DIMM slots, supporting up to 64 GB of dual-channel DDR4 memory, and one PCI-Express 3.0 x16 slot.

The second PCIe 3.0 x16 slot is electrical x4, and wired to the B350 chipset. Two each of legacy PCI and PCIe 3.0 x1 make for the rest of the expansion slots. Storage connectivity includes one 32 Gb/s M.2 slot, and four SATA 6 Gb/s ports. From these, two come directly from the APU/CPU. The board also offers up to eight USB 3.0 ports, gaming grade 8-channel HD audio (with ground-layer isolation and audio-grade capacitors); gigabit Ethernet, and display outputs that include HDMI, DVI, and D-Sub (which will be disabled when using Ryzen).

AMD A12-9800 "Bristol Ridge" AM4 APU with ASUS A320M-C Tested

German PC enthusiast "Crashtest" clinched a sweet combo of an AMD A12-9800 "Bristol Ridge" socket AM4 APU with an ASUS A320M-C entry-level micro-ATX motherboard, for 200€. Pairing it with 8 GB of dual-channel DDR4-2133 memory, the platform was put through the AIDA64 test-suite. In the memory front, the platform performs on-par with older platforms at comparable DDR3 bandwidth. The K15.6 integrated memory controller isn't producing the kind of memory bandwidth as the Core i7-6700K with dual-channel DDR4-2133 memory from AIDA64's internal reference bench table.

In the CPU-related tests, the APU has about the same performance as its predecessors, such as the A10-7850K. The chip features two "Excavator" x86-64 CPU modules, making up four cores, and is clocked at 4.20 GHz. There are performance upticks seen in tests such as Hash and VP8, where the chip likely benefits from new instruction sets.
More results follow.

GIGABYTE AX370-Gaming K3 Socket AM4 Motherboard PCB Pictured

The picture of a bare PCB of an upcoming GIGABYTE AX370-Gaming series socket AM4 motherboard is doing rounds on the web. The picture reveals the bare PCB of the motherboard with all its traces and printed markings, but at a stage before surface-mount components can be soldered onto it. One can still make out quite a bit about the board. AMD X370 is the company's upcoming high-end desktop chipset, which will be launched alongside the company's Ryzen 8-core processor, some time in February, 2017.

To begin with, the AX370-Gaming K3 is built in the ATX form-factor. Its AM4 socket supports both Ryzen "Summit Ridge" CPUs and 7th generation A-series "Bristol Ridge" APUs. The board draws power from 24-pin ATX and 8-pin EPS power connectors, and conditions it for the CPU with a 7-phase VRM. The AM4 socket is wired to four DDR4 DIMM slots. Expansion slots include one PCI-Express 3.0 x16, a second gen 3.0 x16 slot that's electrical x4, and three other gen 3.0 x1 slots. Storage connectivity appears to include at least eight SATA 6 Gb/s ports, and one 32 Gb/s M.2 slot. 8-channel HD audio, gigabit Ethernet, USB 3.1 (including type-C) ports, appear to make for the rest of the connectivity. GIGABYTE's signature Dual-UEFI is featured.
Many Thanks to TheLostSwede and Tomas H. for the tips!

AMD Socket AM4 "Bristol Ridge" APU De-lidded

Here are some of the first pictures of an AMD socket AM4 APU being de-lidded. De-lidding is the process of removing the IHS (integrated heatspreader), the metal plate covering the CPU die. Some PC enthusiasts remove the IHS to improve heat-transfer between the CPU and extreme cooling solutions, such as LN2/dry-ice evaporators. Overclocker Nam Dae Won, with access to a couple of socket AM4 chips (most likely 7th generation A-series "Bristol Ridge" APUs), de-lidded the chips, revealing a large rectangular die. AMD is using high-quality TIM between the die and the IHS, which could either be solder or liquid metal. There's also a clear picture of the underside pin-grid of the AM4 chip, which has a central cutout that lacks any SMT components. Socket AM4 has 1,331 pins.
Sources: Nam Dae Won (Facebook page), PCGH

AMD "Llano" Securities Fraud Lawsuit Ongoing; Class Action Status Granted

As you may remember, "Llano" was somewhat of a disappointment for AMD, to put it mildly. Production issues with partner Global Foundries meant that Llano's roll-out was affected and extended beyond its predicted time-frame. This, in conjunction with other various factors, such as lack of product appeal over disappointing performance and the usual competition from Intel, forced AMD to pull in its second-generation "Trinity" APU too soon. By the time production finally caught up, it ended up overproducing relative to diminishing demand, which resulted in unsold inventory, thus forcing an inventory write-down of "Llano" chips valued at around $100 million. This reduced the company's worth by nearly that much overnight, and tanked the value of the AMD stock. This, of course, didn't sit well with investors.

The as-of-yet ongoing securities fraud lawsuit over AMD's "Llano" APUs has just achieved a milestone, in having been authorized by the Court to proceed as a class action. The Court's decision doesn't imply that the defendants (Rory P. Read, Thomas J. Seifert, Richard A. Bergman, and Dr. Lisa T. Su) did anything wrong. The defendants have not been ordered to pay any money, no settlement has been reached, no money is available as of now and there is no guarantee that there will be in the future.

QNAP Partners with AMD On TVS-x73 NAS

QNAP Systems, Inc. have partnered with AMD, announcing the release and immediate availability (with pricing details yet to come) of the high-performance TVS-x73 NAS series. Packing an AMD Embedded RX-421BD quad-core APU (2.1 GHz base, 3.4 GHz boost), up to 64GB DDR4 RAM, AES-NI hardware encryption engine, two M.2 SATA 6Gb/s SSD slots capable of delivering up to 1,172 MB/s throughput (which can benefit from Qtier Technology to optimize storage efficiency across M.2 SSDs, SATA SSDs and HDDs), SSD cache, USB 3.1 (10Gbps), 10GbE expandability, dual HDMI output, and hardware-assisted 4K video decoding and encoding acceleration.

Built with a state-of-the-art metal design and topped off with a stylish gold finish, the business-class TVS-x73 series is available in 4 (TVS-473), 6 (TVS-673), and 8-bay (TVS-873) models, all of which support four Gigabit LAN. Two PCIe slots are available for greater system flexibility. One is pre-installed with a dual-port USB 3.1 Type-A card and the other allows for an optional QNAP dual-port 10GbE (10GBASE-T or SFP+) network card. The 10GbE-enabled TVS-x73 fully satisfies businesses that demand higher bandwidth for virtualization and fast backup and restoration for an ever-growing amount of data.

AMD Announces the 7th Generation AMD PRO Processors

AMD at the Canalys Channels Forum announced the first PCs featuring 7th Generation AMD PRO APUs (formerly codenamed "Bristol Ridge PRO"). Built for business, AMD PRO APUs deliver increased computing and graphics performance, improved energy efficiency, while providing a secure and stable platform to protect customers' IT investments.

"In the past two years we made incredible progresses in the commercial client segment. Since its inception in mid-2014, AMD PRO processor unit shipments increased more than 45 percent enabling businesses all over the world to simplify IT with secure, high performance, reliable solutions" said Jim Anderson, senior vice president and general manager, Computing and Graphics Business, AMD. "We are thrilled to have PC market leaders like HP and Lenovo expanding their use of AMD technology in their business client portfolios."

AMD Aggressively Clearing Inventory to Make Room for ZEN

AMD is reportedly "aggressively clearing" its inventories of current-generation processors, such products in the AM3+ and FM2+ packages; to make room for next-generation processors based on the "ZEN" architecture, and new 7th generation A-series "Bristol Ridge" APUs, both of which are built in the new socket AM4 package. You should be able to find AMD FX CPUs at attractive prices, so current 4-core and 6-core users could be lured to upgrade to faster 8-core chips, including those featuring the company's Wraith silent CPU cooler.

Taiwan industry observer DigiTimes reports that AMD will launch its next-generation "ZEN" processors, and motherboards based on the high-end X370 chipset, alongside the 2017 International CES expo, in early January. 2017 promises to be a big year for the company as it's not only attempting to regain competitiveness in the performance desktop CPU space, but also high-end graphics, with its Radeon "VEGA" family.

Source: DigiTimes

HP Socket AM4 A320 Chipset OEM Motherboard Pictured

Here is perhaps the first picture of a socket AM4 motherboard up close. The HP "Willow" is a micro-ATX motherboard custom-designed by the company to deploy on several of its upcoming desktop PC models, offered initially with AMD A-series "Bristol Ridge" socket AM4 APUs. Since this is custom-built for desktops that will probably be sold under $500, the board is built to a cost. The board features AMD A320 chipset.

The picture reveals socket AM4 to have extremely fine pins, and feature a square bolt-type cooler retention mechanism similar to that of contemporary Intel sockets. It does away with the rectangular layout. The advantage of a square layout is that it allows you to orient your cooler in any direction. Since the core-logic is moved to the APU/CPU package, the remaining rump of what AMD refers to as "chipset," is just a PCIe multi-function chip that puts out additional SATA and USB ports. With its TDP under 5W, this chip can make do without a heatsink. Other noteworthy features include two DDR4 DIMM slots, a PCIe gen 3.0 x16 slot, a short M.2 slot, a couple of SATA 6 Gb/s ports, and basic connectivity.

AMD "ZEN" Mobile Chips En Route Q2-2017 Launch

AMD will follow up its Q1-2017 launch of socket AM4 desktop processors and APUs based on the "ZEN" microarchitecture, with single-chip mobile processors and APUs in the following quarter, according to an Expreview report. These solutions could take advantage of the fact that "ZEN" CPUs and APUs completely integrate platform core-logic (chipsets), even though on the desktop platform, AMD is launching the A320, B350, and X370 chipsets to expand connectivity given out by the SoCs.

With requirements for fewer M.2, SATA, and USB 3.0 ports on mobile platforms such as notebooks, designs that completely do away with the chipset should theoretically be possible, and the company could use this to score design wins. Intel currently offers CPU and PCH on single packages, as multi-chip modules (MCMs).

Source: Expreview

AMD Unveils its 7th Generation A-Series Desktop APUs

AMD today unveiled its 7th generation A-series desktop APUs. Unlike its predecessors, the new chips are full-fledged SoCs, built in the new socket AM4 package, on which the company plans to launch its "Zen" processors. The 7th gen A-series APUs are based on the "Bristol Ridge" silicon, and are the first fully-integrated SoCs (systems-on-chip) from the company in the performance-desktop segment, in that the APU completely integrates the functionality of a motherboard chipset, including its FCH or southbridge.

This level of integration includes PCI-Express root-complex, USB 3.0, and storage interfaces such as SATA 6 Gb/s emerging directly from the AM4 socket. Some AM4 motherboards could still include a sort of "chipset," which expands connectivity options, such as USB 3.1 ports, additional SATA ports, and a few more downstream PCI-Express lanes. The amount of downstream connectivity and features decide the grade of the chipset. AMD is initially launching two chipsets, the A320 for the entry-level segment, and the B350 for mainstream desktops. The company plans to launch an even more feature-rich chipset at a later date (probably alongside ZEN "Summit Ridge" CPUs).

Vega Not Before 2017: AMD to Investors

In a leaked presentation meant for its investors, AMD states that it expects to launch the "Vega" GPU architecture no sooner than 2017. The company plans to get it out within the first half of 2017. What makes this decision significant is that the company isn't planning on making bigger GPUs on its existing "Polaris" architecture, and its biggest product is the $249 Radeon RX 480. This leaves the company's discrete GPU lineup virtually untended at key price-points above, against NVIDIA's GeForce GTX 1070, GTX 1080, and TITAN X Pascal, at least for the next five months.

In the mean time, AMD could launch additional mobile SKUs based on the Polaris 10 and Polaris 11 chips. The reasons behind this slow-crawl could be many - AMD could be turning its chip-design resources to the various semi-custom SoCs it's working on, for Microsoft and Sony, with their next-generation game consoles; AMD Vega development could also be running in-sync with market availability of HBM2 memory. 2017 promises to be a hectic year for AMD, with launch of not just Vega, but also its "ZEN" CPU architecture, the "Summit Ridge" processor, and APUs based on the CPU micro-architecture.

AMD ZEN Quad-Core Subunit Named CPU-Complex (CCX)

We've been chasing AMD Zen for a long time now. Our older report from April 2015 uncovered an important detail about component organization on Zen processors - the clumping of four CPU cores into a highly-specialized, possibly indivisible subunit referred to then, as the "Zen Quad-core Unit." Some of the latest presentations about the architecture, following AMD's "performance reveal" event from earlier this month, shed more light on this quad-core unit.

AMD is referring to the Zen quad-core unit as the CPU-Complex (CCX). Each CCX is a combination of four independent CPU cores. Unlike on "Bulldozer," a "Zen" core does not share any of its number-crunching machinery with neighboring cores. Each "Zen" core has a dedicated L2 cache of 512 KB, and four Zen cores share an 8 MB L3 cache. AMD will control core-counts by controlling CCX units. A "Summit Ridge" socket AM4 processor features two CCX units (making up eight cores in all), sharing a dual-channel DDR4 memory controller, and the platform core-logic (chipset), complete with an integrated PCI-Express root complex. Socket AM4 APUs will feature one CCX unit, and an integrated GPU in place of the second CCX. With this, AMD is able to bring the two diverse desktop platforms under one socket.

Source: Heise.de

AMD "Zen" Processor Integrated Chipset Has USB 3.1 Issues, Could Escalate Costs

With its next-generation processors and APUs based on the "Zen" micro-architecture, AMD is integrating the chipset into the processor/APU die, making motherboards entirely chipset-free. This on-die chipset, however, is rumored to be facing issues with its integrated USB 3.1 controllers, according to industry sources. AMD sourced the design for the integrated USB 3.1 controllers from ASMedia. The company has a tendency of sourcing integrated controller IP from third-party manufacturers (eg: its SATA controllers and port-multipliers in the past have been sourced from Silicon Image).

Motherboard manufacturers are noticing significant drops in USB 3.1 bandwidths with increase in circuit distances (think wiring running from the AM4 socket to USB 3.1 front-panel headers on the bottom-right corner of a motherboard). Board designers are reportedly having to use additional retimer and redriver chips to get acceptable bandwidths over such ports, and in some cases even entire USB 3.1 controllers, eating into the platform's PCIe budget and escalating costs.

AMD Confirms Key "Summit Ridge" Specs

AMD CEO Lisa Su, speaking at the company's Computex reveal held up the most important CPU product for the company, the new eight-core "Summit Ridge" processor. A posterboy of the company's new "Zen" micro-architecture, "Summit Ridge" is an eight-core processor with SMT enabling 16 threads for the OS to deal with, a massive 40% IPC increase over the current "Excavator" architecture, and a new platform based around the AM4 socket.

The AM4 socket sees AMD completely relocate the core-logic (chipset) to the processor's die. Socket AM4 motherboards won't have any chipset on them. This also means that the processor has an integrated PCI-Express gen 3.0 root complex, besides the DDR4 integrated memory controller. With the chipset being completely integrated, connectivity such as USB and SATA will be routed out of the processor. The AM4 socket is shared with another kind of products, the "Bristol Ridge" APU, which features "Excavator" CPU cores and a 512-SP GCN 1.2 iGPU.

AMD Announces the 7th Generation A-Series APUs

AMD today announced its full 7th Generation AMD A-Series Processor lineup, designed to help provide powerful productivity and entertainment performance with maximum mobility for consumers. Previously codenamed "Bristol Ridge" and "Stoney Ridge," the 7th Generation AMD FX, A-Series, and E-Series Accelerated Processing Units (APUs) show major improvements in performance compared to the previous generation, including double-digit gains in gaming, video rendering, and file compression performance.

Consumers can take their gaming experience to the next level using a PC equipped with support for DirectX 12 and features like AMD FreeSync and AMD Dual Graphics technologies. AMD Advanced Power Management (APM) technology boosts performance to accomplish computing tasks with superior power efficiency for on-the-go capabilities. The new APUs allow users to enjoy the latest multimedia experiences in up-to Ultra HD 4K video resolution, with AMD FreeSync Technology support for fluid, artifact-free eSports-style gaming performance. 7th Generation AMD A-Series Processors enable a premium Microsoft Windows 10 experience and are primed to support the Microsoft Windows 10 Anniversary Update, expected later this year.

Next-Gen Radeon "Polaris" Nomenclature Changed?

It looks like AMD is deviating from its top-level performance-grading, with its next-generation Radeon graphics cards. The company has maintained the Radeon R3 series for embedded low-power APUs, Radeon R5 for integrated graphics solutions of larger APUs; Radeon R7 for entry-thru-mainstream discrete GPUs (eg: R7 360, R7 370); and Radeon R9 for performance-thru-enthusiast segment (eg: R9 285, R9 290X). The new nomenclature could see it rely on the second set of model numbers (eg: 4#0) to denote market-positioning, if a popular rumor on tech bulletin boards such as Reddit holds true.

A Redditor posted an image of a next-gen AMD Radeon demo machine powered by a "Radeon RX 480." Either "X" could be a variable, or it could be series-wide, prefixing all SKUs in the 400 series. It could also be AMD marketing's way of somehow playing with the number 10 (X), to establish some kind of generational parity with NVIDIA's GeForce GTX 10 series. The placard also depicts a new "Radeon" logo with a different, sharper typeface. The "RX 480" was apparently able to run "Doom" (2016) at 2560x1440 @ 144 Hz, with the OpenGL API.

Source: Reddit

AMD "Summit Ridge" Silicon Reserved for 8-core CPUs Initially

Sources tell Bits'n'Chips that AMD could use a common 8-core CPU die based on its upcoming "Zen" architecture over multiple CPU SKUs, at least initially. AMD will have two distinct kinds of processors, those with integrated graphics (APUs) based on the "Bristol Ridge" silicon, and those without integrated graphics (CPUs), based on the "Summit Ridge" silicon. Since products based on both the dies will use a common socket on the desktop (socket AM4), consumers looking for 2-4 CPU cores will be presented with APU options, while those looking for more powerful CPU solutions will be made to choose 8-core CPUs based on the "Summit Ridge" silicon.

Source: BitsnChips.it

AMD Outs "Bristol Ridge" APU Performance Numbers

Although AMD's upcoming socket AM4 heralds new lines of processors and APUs based on the company's next-generation "Zen" CPU micro-architecture, some of the first APUs will continue to be based the current "Excavator" architecture. The "Bristol Ridge" is one such chip. It made its mobile debut as the 7th generation A-Series and FX-Series mobile APUs, and is en route to the desktop platform, in the AM4 package. What sets the AM4 package apart from the FM2+ package, and in turn "Bristol Ridge" from "Carrizo" is that the platform integrates even the southbridge (FCH) into the APU die. This could explain the 1,331-pin count of the AM4 socket.

The "Bristol Ridge" silicon is likely built on the existing 28 nm process. That's not the only thing "current-gen" about this chip. Its CPU component consists of two "Excavator" modules that make up four CPU cores, with 4 MB total cache; and its integrated GPU will likely be based on the Graphics CoreNext 1.2 "Volcanic Islands" architecture, the same one which drives the "Tonga" and "Fiji" discrete GPUs. The integrated memory controller supports dual-channel DDR4 memory. In its performance benchmarks, an AM4 APU based on the "Bristol Ridge" silicon was pitted against older 6th generation APUs, in which it was found to be as much as 23 percent faster.

Source: HardwareCanucks
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