AMD Radeon Instinct MI355X vs NVIDIA H100 SXM5 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Oct 2022
Generation
Radeon Instinct
Server Hopper
Type
Professional
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
1590 MHz
Boost Clock
2400 MHz
1980 MHz
Memory Clock
2000 MHz
1313 MHz
Memory
Memory Size
288GB
80GB
Memory Type
HBM3e
HBM3
Memory Bus
8192bit
5120bit
Bandwidth
8.19TB/s
3.36TB/s
Render Config
Compute Units
256
—
Shading Units
16384
16896
TMUs
1024
528
ROPs
0
24
Tensor Cores
1216
528
L1 Cache
32 KB (per CU)
256 KB (per SM)
L2 Cache
32 MB
50 MB
L3 Cache
256 MB
—
SM Count
—
132
Theoretical Performance
Pixel Rate
0 MPixel/s
47.52 GPixel/s
Texture Rate
2457.6 GTexel/s
1045 GTexel/s
FP16 (half)
78.64 TFLOPS
267.6 TFLOPS
FP32 (float)
78.64 TFLOPS
66.91 TFLOPS
FP64 (double)
39.32 TFLOPS
33.45 TFLOPS
Graphics Processor
GPU Name
MI350 256CU
GH100
Architecture
CDNA 4.0
Hopper
Foundry
TSMC
TSMC
Process Size
3 nm
5 nm
Transistors
185 billion
80 billion
Die Size
Unknown
814 mm²
Board Design
TDP
1400W
700W
Suggested PSU
1800 W
1100 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
Shader Model
N/A
N/A
CUDA
—
9.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.