NVIDIA H100 SXM5 80 GB vs AMD Radeon Instinct MI308X
GPU · Specs Compare
Graphics Card
Release Date
Oct 2022
Dec 2023
Generation
Server Hopper
Radeon Instinct
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1590 MHz
1000 MHz
Boost Clock
1980 MHz
2100 MHz
Memory Clock
1313 MHz
1300 MHz
Memory
Memory Size
80GB
192GB
Memory Type
HBM3
HBM3
Memory Bus
5120bit
8192bit
Bandwidth
3.36TB/s
5.32TB/s
Render Config
SM Count
132
—
Shading Units
16896
19456
TMUs
528
1216
ROPs
24
0
Tensor Cores
528
1216
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
16 MB
Compute Units
—
304
L3 Cache
—
256 MB
Theoretical Performance
Pixel Rate
47.52 GPixel/s
0 MPixel/s
Texture Rate
1045 GTexel/s
2553.6 GTexel/s
FP16 (half)
267.6 TFLOPS
81.72 TFLOPS
FP32 (float)
66.91 TFLOPS
81.72 TFLOPS
FP64 (double)
33.45 TFLOPS
40.86 TFLOPS
Graphics Processor
GPU Name
GH100
Aqua Vanjaram
Architecture
Hopper
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
80 billion
153 billion
Die Size
814 mm²
1017 mm²
Board Design
TDP
700W
750W
Suggested PSU
1100 W
1150 W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
9.0
—
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.