GPU comparison
NVIDIA A100 80GB vs NVIDIA A100 40GB.
Specs, performance and live cloud availability, side by side. The NVIDIA A100 80GB is cheaper today, from $1.73/hr.
The short answer
Choose NVIDIA A100 80GB if you need 80GB+ on a single GPU (40GB more than NVIDIA A100 40GB).
Choose NVIDIA A100 40GB if you want the Ampere architecture.
Compare another pair
vs
Ampere
NVIDIA A100 80GB
from$1.73/hrCheaper
Available now · 6 regions- Memory
- 80 GB HBM2e
- FP16 tensor
- 312 TFLOPS
- Bandwidth
- up to 2.0 TB/s
Ampere
NVIDIA A100 40GB
from$1.99/hr
Available now · 5 regions- Memory
- 40 GB HBM2
- FP16 tensor
- 312 TFLOPS
- Bandwidth
- 1.6 TB/s
At a glance
Spec by spec. The longer bar is the better number.
Full specs
The complete spec sheet.
| Spec | NVIDIA A100 80GB | NVIDIA A100 40GB |
|---|---|---|
| Architecture | Ampere | Ampere |
| Memory | 80 GB | 40 GB |
| Memory type | HBM2e | HBM2 |
| Memory bandwidth | up to 2.0 TB/s | 1.6 TB/s |
| FP32 | 19.5 TFLOPS | 19.5 TFLOPS |
| FP16 tensor | 312 TFLOPS | 312 TFLOPS |
| INT8 | 624 TOPS | 624 TOPS |
| TDP | up to 400 W | up to 400 W |
| GPUs per node | 8 | 8 |
| Hourly price (live) | from $1.73/hr | from $1.99/hr |
Questions
A100 80GB or A100 40GB. What buyers ask first.
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