Comparison · GPU vs GPU · read 21:35 UTCMI325X vs GB300
Specifications, today's prices from 7 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.
| MI325X | GB300 | Difference | |
|---|---|---|---|
| Memory & compute | |||
| VRAM | 256 GB | 288 GB | -11% |
| Memory bandwidth | 6.00 TB/s | 8.00 TB/s | -25% |
| FP16 tensor | 1,307 TFLOPS | 2,500 TFLOPS | -48% |
| FP32 | 163.4 TFLOPS | 75 TFLOPS | +118% |
| Power | 1000 W | 1400 W | -29% |
| Prices today | |||
| Cheapest on-demand | $2.25 | $6.50 | -65% |
| Median on-demand | $2.65 | $13.05 | -80% |
| Highest on-demand | $3.80 | $20.00 | -81% |
| Cheapest spot | — | $6.53 | — |
| Cheapest reserved | $1.49 | $5.26 | -72% |
| Current offers (n) | 7 | 5 | +40% |
| Providers with a fresh offer | 4 | 3 | +33% |
| Value | |||
| Per GB of VRAM · hour (cheapest) | $0.009 | $0.023 | -61% |
| Per GB of VRAM · hour (median) | $0.010 | $0.045 | -77% |
| Per PFLOP FP16 · hour (median) | $2.025 | $5.220 | -61% |
| Per TB/s · hour (median) | $0.441 | $1.631 | -73% |
| Trend | |||
| 30-day median change | +1.5% | — | — |
| 90-day median change | +1.0% | — | — |
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
TensorWaveTrust 648× $2.25 - 2
OpenRelay1× $2.25 - 3
Cyfuture AI8× $3.04
- 1
Limestone Networks72× $6.50 - 2
VerdaTrust 811× $13.05 - 3
Fireworks AI1× $20.00
Verdict · computed from the numbers aboveChoose one, choose the other
Choose the MI325X if…
- the hourly price matters most: median $2.65 against $13.05, 80% less.
- you serve LLMs: memory bandwidth per dollar is better ($0.441 per TB/s-hour against $1.631).
- you want choice: 4 providers have a fresh offer today against 3.
Choose the GB300 if…
- your model needs more than 256 GB per GPU: 288 GB against 256 GB.
Questions about MI325X vs GB300
Which is cheaper to rent, the MI325X or the GB300?
Today the cheapest current on-demand MI325X is $2.25 per GPU-hour and the cheapest GB300 is $6.50; medians are $2.65 and $13.05. Cheapest excludes offers marked unavailable and counts one floor per marketplace.
How much memory do the MI325X and GB300 have?
256 GB of HBM3 on the MI325X, 288 GB of HBM3 on the GB300, at 6.00 and 8.00 TB/s.
Where do these numbers come from?
From 12 current offers read on the providers' own pages and APIs over the last 45 days (reference 21:35 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.