20GB AMD Radeon RX 7900 XT graphics card leaks OpenCL & Vulkan Benchmarks, beats NVIDIA RTX 4080

Benchmarks of the AMD Radeon RX 7900 XT graphics card also leaked and show the $899 RDNA 3 chip beating out the $1,199 RTX 4080.

AMD Radeon RX 7900 XT Leaked Geekbench 5 OpenCL & Vulkan Benchmarks, About 10% Slower Than RX 7900 XTX

Performance benchmarks have been leaked under Geekbench 5 and show OpenCL & Vulkan performance of the upcoming graphics card. Based on the benchmark numbers, we can see that the AMD Radeon RX 7900 XT graphics card is around 10% slower than the Radeon RX 7900 XTX but clearly outperforms the NVIDIA GeForce RTX 4080 in Vulkan while getting close to OpenCL performance.

65980

131,960

197,940

263920

329,900

395,880

Finally, we have Vulkan benchmarks where the AMD Radeon RX 7900 XT ends up being 10% faster than the RTX 4080 and 42% faster than the Radeon RX 6900 XT graphics card. We can also see the card boost up to 2025MHz which is well below the peak boost clock of 2.4GHz.

44410

88820

133230

177,640

222050

266,460

“Official” AMD Radeon RX 7900 XT 20GB Graphics Card Specifications

There will also be a stock variant featuring a Navi 31 XT GPU core. This chip will pack 42 WGPs (84 Compute Units) or 5376 cores and will feature the Radeon RX 7900 XT graphics card. This is 12.5% ​​fewer kernels than the full-fat variant. The GPU will also run at slightly lower clock speeds with the game clock rating at just 2.0GHz which is 300MHz slower than the XTX variant and a 100MHz lower boost clock of 2.4GHz at the 300W TB.

  • AMD Navi 31 XT: 5376 Cores, 320-bit Bus, 160MB Infinity Cache, 308mm2 GPU Die @ 5nm
  • AMD Navi 21 XT: 4608 cores, 256-bit bus, 128MB infinity cache, GPU 520mm2 @ 7nm
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The Radeon RX 7900 XT graphics card will also have 20GB of GDDR6 memory over a 320-bit wide bus interface. With only 5 MCDs enabled, the card will end up with 80MB of Infinity Cache which is 16MB less than the top variant and a drop of 16.6%. The card provides 800 GB/s of bandwidth (3.5 TB/s with Infinity Cache).

AMD Radeon RX 7900 graphics cards offer “RDNA 3”

The AMD Radeon RX 7900 XTX 24GB and Radeon RX 7900 XT 20GB graphics cards will be available on December 13 at $999 and $899, respectively.

“Official” AMD Radeon RX 7900 Series Specifications:

Photographers card AMD Radeon RX 7900 XTX AMD Radeon RX 7900 XT AMD Radeon RX 6950 XT AMD Radeon RX 6900 XT
GPU Navi 31 XTX Navi31XT Navi 21 KXTX Navi 21 XTX
process node 5 nm + 6 nm 5 nm + 6 nm 7 nm 7 nm
die size 300mm2 (GCD only)
522 mm2 (with MCDs)
300mm2 (GCD only)
522 mm2 (with MCDs)
520 mm2 520 mm2
transistors 58 billion 58 billion 26.8 billion 26.8 billion
GPU WGPs 48 42 40 40
stream processors 6144 5376 5120 5120
TMUs/ROPs 384/192 384/192 320/128 320/128
clock game 2.3 GHz 2.0 GHz 2100 MHz 2015 MHz
clock increase 2.5 GHz 2.4GHz 2310 MHz 2250 MHz
FP32 TFLOPs 61 TFLOPs 52 TFLOPs 23.65 TFLOPs 23.04 TFLOPs
memory size 24 GB GDDR6 20 GB GDDR6 16 GB GDDR6 16 GB GDDR6
Infinity Cash 96 MB 80 MB 128 MB 128 MB
memory bus 384 bits 320 bits 256 bits 256 bits
memory clock 20 Gbps 20 Gbps 18 Gbps 16 Gbps
bandwidth 960 GB / s 800 GB / sec 576 GB / s 512 GB / s
effective bandwidth 3.5 TB / sec 3.5 TB / sec 1728.2 GB / s 1664.2 GB / s
TBP 355 watts 300 watts 335 watts 300 watts
PCIe interface TBD TBD PCIe 4.0 x16 slot PCIe 4.0 x16 slot
price 999 USD $899 $1,099 999 USD
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news source: Seating

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