NVIDIA H800 SXM5 vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Sep 2025
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
1900 MHz
Boost Clock
1755 MHz
2600 MHz
Memory Clock
1313 MHz
2430 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
3.36TB/s
622.1GB/s
Render Config
SM Count
132
-
Shading Units
16896
2560
TMUs
528
160
ROPs
24
96
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
2 MB
Compute Units
-
40
RT Cores
-
40
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
249.6 GPixel/s
Texture Rate
926.6 GTexel/s
416.0 GTexel/s
FP16 (half)
237.2 TFLOPS
53.25 TFLOPS
FP32 (float)
59.30 TFLOPS
26.62 TFLOPS
FP64 (double)
29.65 TFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 32
Architecture
Hopper
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
80 billion
28.1 billion
Die Size
814 mm²
346 mm²
GPU Variant
-
Navi 32
Board Design
TDP
700W
200W
Suggested PSU
1100 W
550 W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
8-pin EPS
1x 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