Tuesday, May 23rd 2023

AMD Radeon RX 7600 Final Specs and Power Figures Leaked, Uses 6 nm

Here are the final specifications of the Radeon RX 7600 RDNA3 graphics card, bound for launch later this month. The specs list springs up some surprises. To begin with, while the GPU at the heart of the RX 7600 is based on the latest RDNA3 graphics architecture, it is built on the older 6 nm (DUV) silicon fabrication process—the same one on which the previous "Navi 24" was based. The silicon has a transistor count of 13.3 billion, about 2 billion more than the 7 nm "Navi 23" Powering the RX 6600 series, but a die-size of 204 mm². The GPU has a PCI-Express 4.0 x8 host interface, and a 128-bit GDDR6 memory interface. As the RX 7600, it has a TBP (total board power) value of 165 W, which is over 30 W more than the RX 6600.

At this point, it's not known whether the RX 7600 maxes out the silicon it is based on. It gets 32 RDNA3 compute units (CU), which work out to 2,048 stream processors (with the same dual-issue instruction rate feature as the RX 7900 series); 32 Ray Accelerators, and 64 AI Accelerators. The GPU has 128 TMUs, and 64 ROPs. The GPU has 32 MB of second-generation Infinity Cache memory. The 8 GB of GDDR6 memory ticks at 18 Gbps, which over the 128-bit memory bus works out to 288 GB/s of memory bandwidth. AMD claims that when coupled with the on-die cache, the "effective bandwidth" is 476.9 GB/s. NVIDIA is putting out similar "effective" figures for its RTX 4060 series, so this could become a norm. The RX 7600 comes with a game frequency of 2250 MHz, and 2625 MHz boost. AMD is making 550 W as its PSU recommendation, compared to the 450 W it did for the RX 6600. The company considers the RX 7600 to be the logical successor of the RX 6600 (and neither the RX 6600 XT nor the RX 6650 XT).
Sources: VideoCardz, HD Tecnologia
Add your own comment

33 Comments on AMD Radeon RX 7600 Final Specs and Power Figures Leaked, Uses 6 nm

#26
3x0
Hm, so now it's not certain if it uses the full N33?
Posted on Reply
#27
Chrispy_
I'm looking forward to reviewers benchmarking this alongside the 6600XT and noting what a nothing-burger RDNA3 is.

At $249 for a brand new 6650XT and absolutely tons of unsold stock, the MSRP of this needs to be basically $249 or lower.
Posted on Reply
#28
3x0
Chrispy_I'm looking forward to reviewers benchmarking this alongside the 6600XT and noting what a nothing-burger RDNA3 is.
RX 7600 is RDNA 2.5
It doesn't use the same node and doesn't have the same L3 cache improvements the 7900XT(X) have, just by looking at it superficially. I'm sure reviewers will dig in to the architecture even more.
Posted on Reply
#29
jpvalverde85
This card/chip is waaaay out of his comfort zone, too damn hot clocked to make up the small footprint and grunt. It will be okay for cheaper SKUs with a tamed power (115w, 150w) and cards between 100-250 USD, 300 is a robbery.
Posted on Reply
#31
ToTTenTranz
BoboOOZWhat compiler? Do you have any source for that?
Yup
chipsandcheese.com/2023/01/07/microbenchmarking-amds-rdna-3-graphics-architecture/
I’m guessing RDNA 3’s dual issue mode will have limited impact. It relies heavily on the compiler to find VOPD possibilities, and compilers are frustratingly stupid at seeing very simple optimizations. For example, the FMA test above uses one variable for two of the inputs, which should make it possible for the compiler to meet dual issue constraints. But obviously, the compiler didn’t make it happen. We also tested with clpeak, and see similar behavior there. Even when the compiler is able to emit VOPD instructions, performance will only improve if compute throughput is a bottleneck, rather than memory performance.

On the other hand, VOPD does leave potential for improvement. AMD can optimize games by replacing known shaders with hand-optimized assembly instead of relying on compiler code generation. Humans will be much better at seeing dual issue opportunities than a compiler can ever hope to. Wave64 mode is another opportunity. On RDNA 2, AMD seems to compile a lot of pixel shaders down to wave64 mode, where dual issue can happen without any scheduling or register allocation smarts from the compiler..
3x0videocardz.com/newz/amd-radeon-rx-7600-to-launch-with-269-e299-msrp
$269/€299

...ooof
Yeah they can go f___ themselves with that price.
Posted on Reply
#32
mechtech
I wonder if it will have an updated media/codec engine?
Posted on Reply
#33
waldor
Considering RTX 3060 Ti sells for $200 used nowadays, not sure if there are buyers for this card for anything more than $200.
Posted on Reply
Add your own comment
Oct 31st, 2024 19:15 EDT change timezone

New Forum Posts

Popular Reviews

Controversial News Posts