Product Compare

NVIDIA A100 SXM4 40 GB vs NVIDIA A100 SXM4 80 GB

GPU GPU
Graphics Card
Release Date May 2020 Nov 2020
Generation Tesla Ampere Tesla Ampere
Type AI GPU AI GPU
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1095 MHz 1275 MHz
Boost Clock 1410 MHz 1410 MHz
Memory Clock 1215 MHz 1593 MHz
Memory
Memory Size 40GB 80GB
Memory Type HBM2e HBM2e
Memory Bus 5120bit 5120bit
Bandwidth 1555GB/s 2039GB/s
Render Config
SM Count 108 108
Shading Units 6912 6912
TMUs 432 432
ROPs 160 160
Tensor Cores 432 432
L1 Cache 192 KB (per SM) 192 KB (per SM)
L2 Cache 40 MB 40 MB
Theoretical Performance
Pixel Rate 225.6 GPixel/s 225.6 GPixel/s
Texture Rate 609.1 GTexel/s 609.1 GTexel/s
FP16 (half) 77.97 TFLOPS 77.97 TFLOPS
FP32 (float) 19.49 TFLOPS 19.49 TFLOPS
FP64 (double) 9.746 TFLOPS 9.746 TFLOPS
Graphics Processor
GPU Name GA100 GA100
Architecture Ampere Ampere
Foundry TSMC TSMC
Process Size 7 nm 7 nm
Transistors 54.2 billion 54.2 billion
Die Size 826 mm² 826 mm²
Board Design
TDP 400W 400W
Suggested PSU 800 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
CUDA 8.0 8.0
Shader Model N/A N/A