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DRAM Calculator for Ryzen v1.7.2 Released

Yuri "1usmus" Bubliy over the weekend released the latest version of DRAM Calculator for Ryzen, the definitive tool for overclocking and optimizing memory on your AMD Ryzen-powered PC. The tool lets you calculate the best possible memory-related settings specific to your machine. Version 1.7.1 introduces several new changes. For starters, it now has updated presets for three of the most popular DDR4 DRAM die types obtained from hundreds of hours of re-testing various brands of memory modules on the latest version of AMD AGESA. These affect everything from procODT to VDDG settings, and the introduction of CL15t, which stabilizes problems encounted in finding timings with CL14t.

The R-XMP button (which attempts to translate your DIMM's XMP to AMD-compatible settings), and "Calculate EXTREME" buttons have been removed, and in their place, the "Calculate FAST" button has been optimized for the best possible stable settings; and "Calculate SAFE" for reasonably fast yet safe settings. DRAM Calculator for Ryzen now has DIMM PCB revision awareness. Several popular memory vendors have multiplie revisions of PCBs for the same DIMMs (and same DRAM chips, which can affect tuning headroom). This provides an additional layer of accuracy in calculating timings. In addition, there are several UI changes, such as a "compare timings" button with added functionality. Preliminary support is also added for future "Zen 3" based processors. Grab the tool from the link below.

DOWNLOAD: DRAM Calculator for Ryzen v1.7.2 by 1usmus
The change-log follows.

Update 09:07 UTC: The DRAM Calculator for Ryzen has just been updated to v1.7.2. Detailed below.

DRAM Calculator for Ryzen by 1usmus v1.7.0 Released

DRAM Calculator for Ryzen by 1usmus is the definitive utility to demystify memory overclocking and optimization on AMD Ryzen-powered PCs. It lets you feed in settings you know, and calculates the most optimal related settings (such as latencies), so you get the most from your memory overclock. Version 1.7.0 adds certain memory benchmarks to the utility, including a benchmark for memory bandwidth (reads and writes), and AMD processor inter-core latency tests. The new version also spares you of having to manually input certain current values, by adding the ability to read current memory timings for machines powered by Ryzen 3000-series "Matisse" processors. The new version also adds support for Ryzen Threadripper 3000 "Castle Peak" processor series. Support is also added for SK hynix DJR memory modules. Grab DRAM Calculator for Ryzen from the link below.

DOWNLOAD: DRAM Calculator for Ryzen by 1usmus v1.7.0

New DRAM Calculator for Ryzen v1.6.0.1 Adds Full Ryzen 3000 and X570 Support

Our resident AMD Ryzen memory tuning guru Yuri "1usmus" Bubliy released DRAM Calculator for Ryzen version 1.6.0.1, which comes loaded with support for 3rd generation Ryzen processors based on the "Zen 2" architecture, motherboards based on AMD X570 chipset, and an exhaustive list of new features, and bug-fixes. AMD made major changes to the memory controllers of its Ryzen "Matisse" processors over past generations, including changing the various clock-domains and their interdependence, broader support for overclock across various memory vendors, and more, with the intention of improving memory overclocking. These also mean additional settings to be made in the UEFI BIOS setup programs. DRAM Calculator for Ryzen v1.6.0.1 greatly simplifies that, to help you simply key in the values it calculates based the system configuration it detects or you specify.

DRAM Calculator for Ryzen v1.6.0 also introduces presets for AMD X399 platform and Threadripper processors, helping out the HEDT crowd. Among the key changes are VDDG and FCLK for Zen 2, Vref (CHA / CHB) recommendations; PMU training recommendations that greatly stabilize the overclock; updated presets for Samsung b-die, Hynix CJR and Micron e-die memory modules; support for "Zen 2" processors on older-generations of motherboards (AMD 300-series and 400-series chipsets); improved tWRRD prediction for Dual Rank memory setups; an in-app shortcut to Internet overclocking statistics generation Zen 2; two new settings for MEMBench, the internal stability benchmark; and the overall stability of the program. Grab it from the link below.

DOWNLOAD: DRAM Calculator for Ryzen v1.6.0.1

The change-log follows.

AMD Ryzen 3000 "Zen 2" a Memory OC Beast, DDR4-5000 Possible

AMD's 3rd generation Ryzen (3000-series) processors will overcome a vast number of memory limitations faced by older Ryzen chips. With Zen 2, the company decided to separate the memory controller from the CPU cores into a separate chip, called "IO die". Our resident Ryzen memory guru Yuri "1usmus" Bubliy, author of DRAM Calculator for Ryzen, found technical info that confirms just how much progress AMD has been making.

The third generation Ryzen processors will be able to match their Intel counterparts when it comes to memory overclocking. In the Zen 2 BIOS, the memory frequency options go all the way up to "DDR4-5000", which is a huge increase over the first Ryzens. The DRAM clock is still linked to the Infinity Fabric (IF) clock domain, which means at DDR4-5000, Infinity Fabric would tick at 5000 MHz DDR, too. Since that rate is out of reach for IF, AMD has decided to add a new 1/2 divider mode for their on-chip bus. When enabled, it will run Infinity Fabric at half the DRAM actual clock (eg: 1250 MHz for DDR4-5000).

Announcing DRAM Calculator for Ryzen v1.5.0 with an Integrated Benchmark

Yuri "1usmus" Bubliy, who practically wrote the book on AMD Ryzen memory overclocking, presents DRAM Calculator for Ryzen v1.5.0, the latest version of the most powerful tool available to help you overclock memory on PCs powered by AMD Ryzen processors. The biggest feature-addition is MEMBench, a new internal memory benchmark that tests performance of your machine's memory sub-system, and can be used to test the stability of your memory overclock. Among the other feature-additions include the "Compare Timings" button, which gives you a side-by-side comparison of your machine's existing settings, with what's possible or the settings you've arrived at using the app.

Motherboards vary by memory slot topology, and DRAM Calculator for Ryzen can now be told what topology your board has, so it can better tune settings such as procODT and RTT. The author also de-cluttered the main screen to improve ease of use. Among the under-the-hood changes are improved SoC voltage prediction for each generation of Ryzen. The main timing calculation and prediction algorithms are improved with the addition of the likes of GDM prediction. Also added is support for 4-DIMM system configurations. A bug in which the imported HTML profiles were automatically assumed to be specific to Samsung b-die mode. A number of minor changes were made, detailed in the change-log below.

DOWNLOAD: DRAM Calculator for Ryzen by 1usmus
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