GPU comparison
NVIDIA A100 40GB vs NVIDIA RTX 5090.
Specs, performance and live cloud availability, side by side.
The short answer
Choose NVIDIA A100 40GB if you need 40GB+ on a single GPU (8GB more than NVIDIA RTX 5090).
Choose NVIDIA A100 40GB if you need FP16 tensor throughput (49% faster than NVIDIA RTX 5090).
Compare another pair
vs
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
Blackwell
NVIDIA RTX 5090
Not on demand yet- Memory
- 32 GB GDDR7
- FP16 tensor
- 209.5 TFLOPS
- Bandwidth
- 1.8 TB/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 RTX 5090 |
|---|---|---|
| Architecture | Ampere | Blackwell |
| Memory | 40 GB | 32 GB |
| Memory type | HBM2 | GDDR7 |
| Memory bandwidth | 1.6 TB/s | 1.8 TB/s |
| FP32 | 19.5 TFLOPS | 104.8 TFLOPS |
| FP16 tensor | 312 TFLOPS | 209.5 TFLOPS |
| INT8 | 624 TOPS | 838 TOPS |
| TDP | up to 400 W | 575 W |
| GPUs per node | 8 | 2 |
| Hourly price (live) | from $1.99/hr | Not on demand yet |
Questions
A100 40GB or RTX 5090. What buyers ask first.
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