AMD Radeon Instinct MI355X vs NVIDIA A100 SXM4 80 GB
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Nov 2020
Generation
Radeon Instinct
Tesla Ampere
Type
Professional
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
1275 MHz
Boost Clock
2400 MHz
1410 MHz
Memory Clock
2000 MHz
1593 MHz
Memory
Memory Size
288GB
80GB
Memory Type
HBM3e
HBM2e
Memory Bus
8192bit
5120bit
Bandwidth
8.19TB/s
2039GB/s
Render Config
Compute Units
256
-
Shading Units
16384
6912
TMUs
1024
432
ROPs
0
160
Tensor Cores
1216
432
L1 Cache
32 KB (per CU)
192 KB (per SM)
L2 Cache
32 MB
40 MB
L3 Cache
256 MB
-
SM Count
-
108
Theoretical Performance
Pixel Rate
0 MPixel/s
225.6 GPixel/s
Texture Rate
2457.6 GTexel/s
609.1 GTexel/s
FP16 (half)
78.64 TFLOPS
77.97 TFLOPS
FP32 (float)
78.64 TFLOPS
19.49 TFLOPS
FP64 (double)
39.32 TFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
MI350 256CU
GA100
Architecture
CDNA 4.0
Ampere
Foundry
TSMC
TSMC
Process Size
3 nm
7 nm
Transistors
185 billion
54.2 billion
Die Size
Unknown
826 mm²
Board Design
TDP
1400W
400W
Suggested PSU
1800 W
800 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
-
8.0