GPU comparison
NVIDIA A100 40GB vs NVIDIA A40.
Specs, performance and live cloud availability, side by side. The NVIDIA A100 40GB is cheaper today, from $1.99/hr.
The short answer
Choose NVIDIA A100 40GB if you need FP16 tensor throughput (108% faster than NVIDIA A40).
Choose NVIDIA A40 if you want the Ampere architecture or PCIe form factor.
Compare another pair
vs
Ampere
NVIDIA A100 40GB
from$1.99/hrCheaper
Available now · 5 regions- Memory
- 40 GB HBM2
- FP16 tensor
- 312 TFLOPS
- Bandwidth
- 1.6 TB/s
Ampere
NVIDIA A40
from$2.42/hr
Available now · 6 regions- Memory
- 48 GB GDDR6
- FP16 tensor
- 149.7 TFLOPS
- Bandwidth
- 696 GB/s
At a glance
Spec by spec. The longer bar is the better number.
Full specs
The complete spec sheet.
| Spec | NVIDIA A100 40GB | NVIDIA A40 |
|---|---|---|
| Architecture | Ampere | Ampere |
| Memory | 40 GB | 48 GB |
| Memory type | HBM2 | GDDR6 |
| Memory bandwidth | 1.6 TB/s | 696 GB/s |
| FP32 | 19.5 TFLOPS | 37.4 TFLOPS |
| FP16 tensor | 312 TFLOPS | 149.7 TFLOPS |
| INT8 | 624 TOPS | 299 TOPS |
| TDP | up to 400 W | 300 W |
| GPUs per node | 8 | 4 |
| Hourly price (live) | from $1.99/hr | from $2.42/hr |
Questions
A100 40GB or A40. What buyers ask first.
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