GPU vs GPU
RX 7900 XTX vs RTX 4080 Super
About the same speed (within 3% at 1440p), so the RTX 4080 Super is the pick: it costs $155 less today.
Key facts· updated
- At 1440p the RX 7900 XTX averages 122 fps and the RTX 4080 Super averages 119 fps (Tom's Hardware GPU hierarchy, June 2026, 11-game average at Ultra).
- The RX 7900 XTX is 3% faster than the RTX 4080 Super at 1440p (Tom's Hardware GPU hierarchy, June 2026).
- The RX 7900 XTX costs $1,799 and the RTX 4080 Super costs $1,644 (PC Atlas price check, Nov 3, 2026; catalog estimates, not live store prices).
- At those prices the RTX 4080 Super gives the most 1440p fps per $100: 7.2 vs 6.8.
- The RX 7900 XTX has 24 GB of video memory and the RTX 4080 Super has 16 GB (maker spec pages, checked Oct 29, 2026).
| Spec | RX 7900 XTX | RTX 4080 Super |
|---|---|---|
| Price today | $1,799Sample | $1,644Sample |
| Average fps at 1080p | 162 | 159 |
| Average fps at 1440p | 122 | 119 |
| Average fps at 4K | 71 | 69 |
| fps per $100 at 1440p | 6.8 | 7.2 |
| Video memory | 24 GB | 16 GB |
| Gaming power | ~355 W | ~320 W |
| Power supply advice | 800 W | 750 W |
| Card length | ~287 mm | ~304 mm |
| Power plug | 8-pin PCIe | 12V-2x6 |
fps: Tom's Hardware GPU hierarchy (June 2026), 11-game average at Ultra. Highlighted = better. Prices last checked . Prices marked Sample are PC Atlas catalog estimates, not live store prices.
Which one should you buy?
The RX 7900 XTX 24GB and RTX 4080 Super 16GB sit in the same class, so this is a straight question of which maker gives more for the money right now. In the Tom's Hardware GPU hierarchy (June 2026), the RX 7900 XTX 24GB averages 122 fps at 1440p and 71 at 4K; the RTX 4080 Super 16GB averages 119 and 69. At 1080p the averages are 162 and 159 fps. That is within 3% at 1440p, close enough that you won't notice in play, so price and features decide it.
Memory differs: 24GB on the RX 7900 XTX 24GB against 16GB on the RTX 4080 Super 16GB. More memory keeps texture settings high for longer as games get heavier. In games the RX 7900 XTX 24GB draws about 355W and the RTX 4080 Super 16GB about 320W; power supply advice is 800W (maker's advice) vs 750W (maker's advice). The RX 7900 XTX 24GB is about 287mm long, 2.5 slots thick and uses standard 8-pin power; the RTX 4080 Super 16GB is about 304mm long, 3 slots thick with the 12V-2x6 plug.
For upscaling, the RX 7900 XTX 24GB uses FSR 3 and the RTX 4080 Super 16GB uses DLSS; DLSS is supported in the most games.
Our take: buy whichever is cheaper today; the verdict at the top of this page does that math with live prices.
Good to know
- RTX 4080 Super uses the 12V-2x6 power plug; older power supplies work with the adapter in the box.
Questions
Is the RX 7900 XTX better than the RTX 4080 Super?
About the same speed (within 3% at 1440p), so the RTX 4080 Super is the pick: it costs $155 less today.
Which is better value, RX 7900 XTX or RTX 4080 Super?
At today's prices the RTX 4080 Super gives more frames per dollar at 1440p (7.2 vs 6.8 fps per $100).
What power supply do I need?
RX 7900 XTX: 800 W (the maker's advice). RTX 4080 Super: 750 W (the maker's advice).
Not sure which fits your games? The PC Wizard picks for you →