Product Compare

NVIDIA A800 SXM4 80 GB vs AMD Radeon Instinct MI250

GPU GPU
Graphics Card
Release Date Aug 2022 Nov 2021
Generation Ampere Radeon Instinct
Type AI GPU Professional
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1155 MHz 1000 MHz
Boost Clock 1410 MHz 1700 MHz
Memory Clock 1593 MHz 1600 MHz
Memory
Memory Size 80GB 128GB
Memory Type HBM2e HBM2e
Memory Bus 5120bit 8192bit
Bandwidth 2039GB/s 3277GB/s
Render Config
SM Count 108
Shading Units 6912 13312
TMUs 432 832
ROPs 160 0
Tensor Cores 432
L1 Cache 192 KB (per SM) 16 KB (per CU)
L2 Cache 40 MB 16 MB
Compute Units 208
Theoretical Performance
Pixel Rate 225.6 GPixel/s 0 MPixel/s
Texture Rate 609.1 GTexel/s 1414 GTexel/s
FP16 (half) 77.97 TFLOPS 362.1 TFLOPS
FP32 (float) 19.49 TFLOPS 45.26 TFLOPS
FP64 (double) 9.746 TFLOPS 45.26 TFLOPS
Graphics Processor
GPU Name GA100 Aldebaran
Architecture Ampere CDNA 2.0
Foundry TSMC TSMC
Process Size 7 nm 6 nm
Transistors 54.2 billion 58.2 billion
Die Size 826 mm² Unknown
GPU Variant Aldebaran
Board Design
TDP 400W 500W
Suggested PSU 800 W 900 W
Outputs No outputs No outputs
Power Connectors None 2x 8-pin
Graphics Features
DirectX N/A N/A
OpenGL N/A N/A
OpenCL 3.0 3.0
Vulkan N/A N/A
CUDA 8.0
Shader Model N/A N/A