NVIDIA H100 CNX vs AMD Radeon RX 7900M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Oct 2023
Generation
Tesla Hopper
Navi Mobile
Type
AI GPU
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
690 MHz
1825 MHz
Boost Clock
1845 MHz
2090 MHz
Memory Clock
1593 MHz
2250 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
576.0GB/s
Render Config
SM Count
114
—
Shading Units
14592
4608
TMUs
456
288
ROPs
24
192
Tensor Cores
456
—
L1 Cache
256 KB (per SM)
256 KB per Array
L2 Cache
50 MB
6 MB
Compute Units
—
72
RT Cores
—
72
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
44.28 GPixel/s
401.3 GPixel/s
Texture Rate
841.3 GTexel/s
601.9 GTexel/s
FP16 (half)
215.4 TFLOPS
77.05 TFLOPS
FP32 (float)
53.84 TFLOPS
38.52 TFLOPS
FP64 (double)
26.92 TFLOPS
1204 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 31
Architecture
Hopper
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
80 billion
57.7 billion
Die Size
814 mm²
529 mm²
GPU Variant
—
Navi 31
Board Design
TDP
350W
180W
Suggested PSU
750 W
—
Outputs
No outputs
Portable Device Dependent
Power Connectors
8-pin EPS
None
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
—
18,218
3DMark Time Spy Extreme
—
8,440
3DMark Speed Way
—
3,943
Blender
—
2,583
▲ Specs Compare
Data sourced from official specifications and benchmark tests.