GPU comparison
NVIDIA A100 40GB vs NVIDIA GB300.
Specs, performance and live cloud availability, side by side.
The short answer
Choose NVIDIA A100 40GB if you want the Ampere architecture.
Choose NVIDIA GB300 if you need 288GB+ on a single GPU (248GB more than NVIDIA A100 40GB).
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 GB300
Reserved capacity · on request- Memory
- 288 GB HBM3e
- FP16 tensor
- 2500 TFLOPS
- Bandwidth
- 8.0 TB/s
At a glance
Spec by spec. The longer bar is the better number.
Full specs
The complete spec sheet.
| Spec | NVIDIA A100 40GB | NVIDIA GB300 |
|---|---|---|
| Architecture | Ampere | Blackwell |
| Memory | 40 GB | 288 GB |
| Memory type | HBM2 | HBM3e |
| Memory bandwidth | 1.6 TB/s | 8.0 TB/s |
| FP32 | 19.5 TFLOPS | 120 TFLOPS |
| FP16 tensor | 312 TFLOPS | 2500 TFLOPS |
| INT8 | 624 TOPS | 4800 TOPS |
| TDP | up to 400 W | 1200 W |
| GPUs per node | 8 | 8 |
| Hourly price (live) | from $1.99/hr | Reserve on request |
Questions
A100 40GB or GB300. What buyers ask first.
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