RTX 4080 vs RX 7900 XTX
A used RTX 4080 sells for a median $1,027 and an RX 7900 XTX for $1,055 on US eBay, so the RX 7900 XTX costs 3% more. In games they are about even, so the RTX 4080 is the better buy. For local AI the RX 7900 XTX has 24GB of VRAM versus 16GB, enough for 32B models instead of 14B ones at 4-bit. Prices as of 2026-10-31.
| RTX 4080 | RX 7900 XTX | |
|---|---|---|
| Sold median | $1,027 | $1,055 |
| Typical range | $993–$1,131 | $963–$1,145 |
| Sales, last 14–30 days | 51 | 67 |
| Past week | Flat | Up 3% |
| VRAM | 16GB | 24GB |
| Runs at 4-bit | 14B models | 32B models |
| Gaming speed (4070 = 100) | 150 | 155 |
| Board power | 320W | 355W |
| $ per speed point | $7 | $7 |
| $ per GB VRAM | $64 | $44 |
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.