NVIDIA H800 SXM5 vs AMD Radeon RX 7900 GRE
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Jul 2023
Generation
Server Hopper
Navi III
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1095 MHz
1287 MHz
Boost Clock
1755 MHz
2245 MHz
Memory Clock
1313 MHz
2250 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
3.36TB/s
576.0GB/s
Render Config
SM Count
132
-
Shading Units
16896
5120
TMUs
528
320
ROPs
24
160
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
256 KB per Array
L2 Cache
50 MB
6 MB
Compute Units
-
80
RT Cores
-
80
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
359.2 GPixel/s
Texture Rate
926.6 GTexel/s
718.4 GTexel/s
FP16 (half)
237.2 TFLOPS
91.96 TFLOPS
FP32 (float)
59.30 TFLOPS
45.98 TFLOPS
FP64 (double)
29.65 TFLOPS
1436.8 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 31
Architecture
Hopper
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
80 billion
57.7 billion
Die Size
814 mm²
529 mm²
GPU Variant
-
Navi 31 XL(215-145000206)
Board Design
TDP
700W
260W
Suggested PSU
1100 W
600 W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
8-pin EPS
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
CUDA
9.0
-
Shader Model
N/A
6.8
📊 Benchmark
3DMark Time Spy
-
22,476
3DMark Time Spy Extreme
-
10,591
3DMark Speed Way
-
4,417
Cyberpunk 2077 2160p
-
40
Cyberpunk 2077 1440p
-
88
Blender
-
3,114
Cyberpunk 2077 1080p
-
130