NVIDIA H100 SXM5 80 GB vs AMD Radeon RX 640 Mobile
GPU Specs Compare
Graphics Card
Release Date
Oct 2022
May 2019
Generation
Server Hopper
Mobility Radeon
Type
AI GPU
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1590 MHz
1082 MHz
Boost Clock
1980 MHz
1218 MHz
Memory Clock
1313 MHz
1500 MHz
Memory
Memory Size
80GB
2GB
Memory Type
HBM3
GDDR5
Memory Bus
5120bit
64bit
Bandwidth
3.36TB/s
48.00GB/s
Render Config
SM Count
132
-
Shading Units
16896
640
TMUs
528
40
ROPs
24
16
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
512 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
47.52 GPixel/s
19.49 GPixel/s
Texture Rate
1045 GTexel/s
48.72 GTexel/s
FP16 (half)
267.6 TFLOPS
1.559 TFLOPS
FP32 (float)
66.91 TFLOPS
1.559 TFLOPS
FP64 (double)
33.45 TFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
GH100
Polaris 23
Architecture
Hopper
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
80 billion
2.2 billion
Die Size
814 mm²
103 mm²
GPU Variant
-
Polaris 23 XT
Board Design
TDP
700W
50W
Suggested PSU
1100 W
-
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.2
CUDA
9.0
-
Shader Model
N/A
6.4