Product Compare

AMD Radeon RX 7900 GRE vs NVIDIA H800 SXM5

GPU GPU
Graphics Card
Release Date Jul 2023 Mar 2023
Generation Navi III Server Hopper
Type Desktop AI GPU
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1287 MHz 1095 MHz
Boost Clock 2245 MHz 1755 MHz
Memory Clock 2250 MHz 1313 MHz
Memory
Memory Size 16GB 80GB
Memory Type GDDR6 HBM3
Memory Bus 256bit 5120bit
Bandwidth 576.0GB/s 3.36TB/s
Render Config
Compute Units 80
Shading Units 5120 16896
TMUs 320 528
ROPs 160 24
RT Cores 80
L1 Cache 256 KB per Array 256 KB (per SM)
L2 Cache 6 MB 50 MB
L3 Cache 64 MB
SM Count 132
Tensor Cores 528
Theoretical Performance
Pixel Rate 359.2 GPixel/s 42.12 GPixel/s
Texture Rate 718.4 GTexel/s 926.6 GTexel/s
FP16 (half) 91.96 TFLOPS 237.2 TFLOPS
FP32 (float) 45.98 TFLOPS 59.30 TFLOPS
FP64 (double) 1436.8 GFLOPS 29.65 TFLOPS
Graphics Processor
GPU Name Navi 31 GH100
GPU Variant Navi 31 XL(215-145000206)
Architecture RDNA 3.0 Hopper
Foundry TSMC TSMC
Process Size 5 nm 5 nm
Transistors 57.7 billion 80 billion
Die Size 529 mm² 814 mm²
Board Design
TDP 260W 700W
Suggested PSU 600 W 1100 W
Outputs 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C No outputs
Power Connectors 2x 8-pin 8-pin EPS
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 2.2 3.0
Vulkan 1.3 N/A
Shader Model 6.8 N/A
CUDA 9.0