Product Compare

NVIDIA A800 SXM4 80 GB vs AMD Radeon Instinct MI325X

GPU GPU
Graphics Card
Release Date Aug 2022 Oct 2024
Generation Ampere Radeon Instinct
Type AI GPU Professional
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1155 MHz 1000 MHz
Boost Clock 1410 MHz 2100 MHz
Memory Clock 1593 MHz 1500 MHz
Memory
Memory Size 80GB 256GB
Memory Type HBM2e HBM3e
Memory Bus 5120bit 8192bit
Bandwidth 2039GB/s 6.14TB/s
Render Config
SM Count 108
Shading Units 6912 19456
TMUs 432 1216
ROPs 160 0
Tensor Cores 432 1216
L1 Cache 192 KB (per SM) 16 KB (per CU)
L2 Cache 40 MB 16 MB
Compute Units 304
L3 Cache 256 MB
Theoretical Performance
Pixel Rate 225.6 GPixel/s 0 MPixel/s
Texture Rate 609.1 GTexel/s 2553.6 GTexel/s
FP16 (half) 77.97 TFLOPS 81.72 TFLOPS
FP32 (float) 19.49 TFLOPS 81.72 TFLOPS
FP64 (double) 9.746 TFLOPS 40.86 TFLOPS
Graphics Processor
GPU Name GA100 Aqua Vanjaram
Architecture Ampere CDNA 3.0
Foundry TSMC TSMC
Process Size 7 nm 5 nm
Transistors 54.2 billion 153 billion
Die Size 826 mm² 1017 mm²
Board Design
TDP 400W 1000W
Suggested PSU 800 W 1400 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 8.0
Shader Model N/A N/A