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Side-by-side pricing across 15 marketplace listings. The RTX 3090 is 37.5% cheaper at median.
Side-by-side technical and market data. All prices in USD, listing-weighted median.
| Metric | RTX 3090 | RTX 5080 |
|---|---|---|
| Median Price (USD/hr) | $0.21 | $0.33 |
| Marketplaces Tracking | 12 | 3 |
| VRAM | 24 GB | 16 GB |
| FP16 TFLOPS (dense) | 71 | 110 |
| Category | Consumer GPUs | |
See individual pages: RTX 3090 pricing · RTX 5080 pricing
Total rental cost at the listing-weighted median price for each GPU.
| Duration | RTX 3090 | RTX 5080 | You Save |
|---|---|---|---|
| 1 hour | $0.21 | $0.33 | $0.125 |
| 1 day (24h) | $5.00 | $8.00 | $3.00 |
| 1 week (168h) | $34.99 | $55.99 | $21.00 |
| 1 month (730h) | $152.06 | $243.31 | $91.25 |
Over a typical month, choosing the RTX 3090 saves $91.25 compared to the RTX 5080. That's a 37.5% cost reduction.
Decision logic based on workload type, derived from VRAM and FP16 compute heuristics.
24GB VRAM vs 16GB — fits larger models.
Comparable cost efficiency — either choice works.
Other Consumer GPUs GPU comparisons with similar price profiles.
Get price-drop alerts when either RTX 3090 or RTX 5080 hits your target price at any marketplace.