NVIDIA H100 SXM5 80 GB vs AMD Radeon Pro V620
GPU Specs Compare
Graphics Card
Release Date
Oct 2022
Nov 2021
Generation
Server Hopper
Radeon Pro
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1590 MHz
1825 MHz
Boost Clock
1980 MHz
2200 MHz
Memory Clock
1313 MHz
2000 MHz
Memory
Memory Size
80GB
32GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
3.36TB/s
512.0GB/s
Render Config
SM Count
132
-
Shading Units
16896
4608
TMUs
528
288
ROPs
24
128
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
4 MB
Compute Units
-
72
RT Cores
-
72
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
47.52 GPixel/s
281.6 GPixel/s
Texture Rate
1045 GTexel/s
633.6 GTexel/s
FP16 (half)
267.6 TFLOPS
40.55 TFLOPS
FP32 (float)
66.91 TFLOPS
20.28 TFLOPS
FP64 (double)
33.45 TFLOPS
1267 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 21
Architecture
Hopper
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
80 billion
26.8 billion
Die Size
814 mm²
520 mm²
GPU Variant
-
Navi 21 XT(215-121000177)
Board Design
TDP
700W
300W
Suggested PSU
1100 W
700 W
Outputs
No outputs
No outputs
Power Connectors
None
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
9.0
-
Shader Model
N/A
6.5