RTX 3070 vs RX 6700 XT
A used RTX 3070 sells for a median $296 and an RX 6700 XT for $330 on US eBay, so the RX 6700 XT costs 11% more. In games the RTX 3070 is about 7% faster. It is also the better value per dollar. For local AI the RX 6700 XT has 12GB of VRAM versus 8GB, enough for 14B models instead of 8B ones at 4-bit. Prices as of 2026-10-31.
| RTX 3070 | RX 6700 XT | |
|---|---|---|
| Sold median | $296 | $330 |
| Typical range | $280–$308 | $307–$346 |
| Sales, last 14–30 days | 244 | 97 |
| Past week | Up 1% | Up 2% |
| VRAM | 8GB | 12GB |
| Runs at 4-bit | 8B models | 14B models |
| Gaming speed (4070 = 100) | 73 | 68 |
| Board power | 220W | 230W |
| $ per speed point | $4 | $5 |
| $ per GB VRAM | $37 | $28 |
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 2026-10-31.