NVIDIA H100 CNX vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Sep 2025
Generation
Tesla Hopper
Navi III
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
690 MHz
1900 MHz
Boost Clock
1845 MHz
2600 MHz
Memory Clock
1593 MHz
2430 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
622.1GB/s
Render Config
SM Count
114
-
Shading Units
14592
2560
TMUs
456
160
ROPs
24
96
Tensor Cores
456
-
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
44.28 GPixel/s
249.6 GPixel/s
Texture Rate
841.3 GTexel/s
416.0 GTexel/s
FP16 (half)
215.4 TFLOPS
53.25 TFLOPS
FP32 (float)
53.84 TFLOPS
26.62 TFLOPS
FP64 (double)
26.92 TFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 32
Architecture
Hopper
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
80 billion
28.1 billion
Die Size
814 mm²
346 mm²
GPU Variant
-
Navi 32
Board Design
TDP
350W
200W
Suggested PSU
750 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