GPU comparison
NVIDIA A100 80GB vs NVIDIA RTX 4090.
Specs, performance and live cloud availability, side by side.
The short answer
Choose NVIDIA A100 80GB if you need 80GB+ on a single GPU (56GB more than NVIDIA RTX 4090).
Choose NVIDIA A100 80GB if you need FP16 tensor throughput (89% faster than NVIDIA RTX 4090).
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vs
Ampere
NVIDIA A100 80GB
from$1.73/hr
Available now · 6 regions- Memory
- 80 GB HBM2e
- FP16 tensor
- 312 TFLOPS
- Bandwidth
- up to 2.0 TB/s
Ada Lovelace
NVIDIA RTX 4090
Not on demand yet- Memory
- 24 GB GDDR6X
- FP16 tensor
- 165.2 TFLOPS
- Bandwidth
- 1.0 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 RTX 4090 |
|---|---|---|
| Architecture | Ampere | Ada Lovelace |
| Memory | 80 GB | 24 GB |
| Memory type | HBM2e | GDDR6X |
| Memory bandwidth | up to 2.0 TB/s | 1.0 TB/s |
| FP32 | 19.5 TFLOPS | 82.6 TFLOPS |
| FP16 tensor | 312 TFLOPS | 165.2 TFLOPS |
| INT8 | 624 TOPS | 661 TOPS |
| TDP | up to 400 W | 450 W |
| GPUs per node | 8 | 2 |
| Hourly price (live) | from $1.73/hr | Not on demand yet |
Questions
A100 80GB or RTX 4090. What buyers ask first.
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