RTX 3090 24GB vs RTX 4090 24GB
A used RTX 3090 24GB sells for a median $1,629 and an RTX 4090 24GB for $3,060 on US eBay, so the RTX 4090 24GB costs 88% more. In games the RTX 4090 24GB is about 85% faster. The RTX 3090 24GB is the better value per dollar. Both have 24GB of VRAM, so they fit the same AI models. Prices as of 2026-11-12.
RTX 3090 24GBTypically $1,629 used
Buy $1,000RTX 4090 24GBTypically $3,060 used
Buy $3,000Buy It Now from US sellers. We may earn a commission; it never changes the price.
| RTX 3090 24GB | RTX 4090 24GB | |
|---|---|---|
| Sold median | $1,629 | $3,060 |
| Typical range | $1,555–$1,699 | $2,876–$3,300 |
| Sales, last 14–30 days | 249 | 86 |
| Past week | Up 2% | Down 2% |
| VRAM | 24GB | 24GB |
| Runs at 4-bit | 32B models | 32B models |
| Gaming speed (4070 = 100) | 108 | 200 |
| Board power | 350W | 450W |
| $ per speed point | $15 | $15 |
| $ per GB VRAM | $68 | $128 |
Gaming speed is relative 1440p performance from public review averages, for ranking only. Prices are US eBay sold medians with shipping, updated daily, last on 2026-11-12.