NVIDIA A100 80GBvsNVIDIA A100 40GB
NVIDIA A100 80GB vs NVIDIA A100 40GB: Specs, Benchmarks & Cloud Pricing
Full technical comparison of NVIDIA A100 80GB and NVIDIA A100 40GB — VRAM, memory bandwidth, FP16 TFLOPS, TDP, and live cloud pricing across all providers. Updated July 2026.
Technical Specifications
Spec
NVIDIA A100 80GB
NVIDIA A100 40GB
Architecture
Ampere
Ampere
VRAM
80 GB HBM2e
40 GB HBM2e
Memory bandwidth
2,039 GB/s
1,555 GB/s
FP16 performance
312 TFLOPS
312 TFLOPS
TDP
400 W
400 W
NVLink support
Yes
Yes
Release year
2020
2020
Green = better value for that metric.
NVIDIA A100 80GB
The A100 remains one of the most widely available data center GPUs. Its broad provider support and mature software ecosystem make it a reliable choice for ML training and inference.
Best For
- ML training
- Inference at scale
- HPC
NVIDIA A100 40GB
The A100 40GB is the more affordable sibling of the A100 80GB.
Best For
- ML training
- Inference
- Cost-effective HPC