NVIDIA H100 SXM5 80 GB vs AMD Radeon RX 7400
GPU Specs Compare
Graphics Card
Release Date
Oct 2022
Aug 2025
Generation
Server Hopper
Navi III
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1590 MHz
1452 MHz
Boost Clock
1980 MHz
2300 MHz
Memory Clock
1313 MHz
2250 MHz
Memory
Memory Size
80GB
8GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
128bit
Bandwidth
3.36TB/s
288.0GB/s
Render Config
SM Count
132
-
Shading Units
16896
1792
TMUs
528
112
ROPs
24
64
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
2 MB
Compute Units
-
28
RT Cores
-
28
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
47.52 GPixel/s
147.2 GPixel/s
Texture Rate
1045 GTexel/s
257.6 GTexel/s
FP16 (half)
267.6 TFLOPS
32.97 TFLOPS
FP32 (float)
66.91 TFLOPS
16.49 TFLOPS
FP64 (double)
33.45 TFLOPS
515.2 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 33
Architecture
Hopper
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
80 billion
13.3 billion
Die Size
814 mm²
204 mm²
GPU Variant
-
Navi 33
Board Design
TDP
700W
43W
Suggested PSU
1100 W
200 W
Outputs
No outputs
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
None
1x 6-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