Comparison · GPU vs GPU · read 00:32 UTCA100 80GB vs A100 40GB
Specifications, today's prices from 91 providers, price per unit of memory and compute, and who rents each cheapest. Better values are highlighted; lower is better for prices.
Side by sideSpecs, prices, value
Highlighted cells are the better of the two: more memory and compute, lower prices, lower cost per unit.
| A100 80GB | A100 40GB | Difference | |
|---|---|---|---|
| Memory & compute | |||
| VRAM | 80 GB | 40 GB | +100% |
| Memory bandwidth | 2.04 TB/s | 1.55 TB/s | +31% |
| FP16 tensor | 312 TFLOPS | 312 TFLOPS | 0% |
| FP32 | 19.5 TFLOPS | 19.5 TFLOPS | 0% |
| Power | 400 W | 250 W | +60% |
| Prices today | |||
| Cheapest on-demand | $0.60 | $0.58 | +3% |
| Median on-demand | $1.92 | $1.83 | +5% |
| Highest on-demand | $5.29 | $4.48 | +18% |
| Cheapest spot | $0.57 | $0.68 | -16% |
| Cheapest reserved | $0.76 | $0.72 | +6% |
| Current offers (n) | 188 | 56 | +236% |
| Providers with a fresh offer | 69 | 22 | +214% |
| Value | |||
| Per GB of VRAM · hour (cheapest) | $0.008 | $0.015 | -49% |
| Per GB of VRAM · hour (median) | $0.024 | $0.046 | -48% |
| Per PFLOP FP16 · hour (median) | $6.139 | $5.865 | +5% |
| Per TB/s · hour (median) | $0.939 | $1.177 | -20% |
| Trend | |||
| 30-day median change | -3.5% | -4.1% | — |
| 90-day median change | -3.5% | +23.4% | — |
90 days · median on-demand price · rebased to 100How the two have moved
Both medians indexed to 100 ninety days ago, so the slopes compare even though the price levels differ.
Cheapest providers today · on-demand · current offersWho rents each one cheapest
- 1
Vast.aiTrust 784× $0.60 - 2
packet.ai1× $0.89 - 3
GPUBankTrust 931× $0.95
- 1
Edgevana1× $0.58 - 2
AtmosCompute1× $0.73 - 3
JarvisLabsTrust 491× $0.89
Verdict · computed from the numbers aboveChoose one, choose the other
Choose the A100 80GB if…
- your model needs more than 40 GB per GPU: 80 GB against 40 GB.
- you serve LLMs: memory bandwidth per dollar is better ($0.939 per TB/s-hour against $1.177).
- you want choice: 69 providers have a fresh offer today against 22.
Choose the A100 40GB if…
- the hourly price matters most: median $1.83 against $1.92, 4% less.
Questions about A100 80GB vs A100 40GB
Which is cheaper to rent, the A100 80GB or the A100 40GB?
Today the cheapest current on-demand A100 80GB is $0.60 per GPU-hour and the cheapest A100 40GB is $0.58; medians are $1.92 and $1.83. Cheapest excludes offers marked unavailable and counts one floor per marketplace.
How much memory do the A100 80GB and A100 40GB have?
80 GB of HBM2e on the A100 80GB, 40 GB of HBM2 on the A100 40GB, at 2.04 and 1.55 TB/s.
Where do these numbers come from?
From 244 current offers read on the providers' own pages and APIs over the last 45 days (reference 00:32 UTC), or in our October 2026 market study for the few providers our collector does not read. Specifications come from manufacturer datasheets. Every price on the GPU pages links to its receipt and shows its read date.