Results: AMD Ryzen 9 7900X + Radeon RX 7700 XT
AMD Ryzen 9 7900X and Radeon RX 7700 XT paired: expected FPS in 10 games at 1080p, 1440p and 4K, bottleneck analysis and the recommended power supply wattage.
Prices in shops
Prices checked:
Prices at UK shops today
Stock and prices come from UK shops we track (Back to the Office, GamingKit, PCHUB.UK). Prices are in pounds and include VAT.
- AMD Ryzen 9 7900X: from £280.85 at GamingKit, 3 listings up to £359.24. Lowest in the last 30 days: £243.91.
What it costs to run in the UK
At full load the pair draws about 415 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.11 an hour of play, or about £80 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 200 FPS | 145 FPS | 90 FPS |
| Counter-Strike 2 | 330 FPS | 240 FPS | 150 FPS |
| Cyberpunk 2077 | 105 FPS | 80 FPS | 50 FPS |
| Valorant | 455 FPS | 330 FPS | 205 FPS |
| COD: Warzone | 175 FPS | 125 FPS | 80 FPS |
| Battlefield 6 | 130 FPS | 95 FPS | 60 FPS |
| PUBG: Battlegrounds | 190 FPS | 140 FPS | 85 FPS |
| Rainbow Six Siege | 265 FPS | 195 FPS | 120 FPS |
| Marvel Rivals | 85 FPS | 60 FPS | 35 FPS |
| GTA V | 85 FPS | 60 FPS | 35 FPS |
| Red Dead Redemption 2 | 125 FPS | 90 FPS | 55 FPS |
| Escape from Tarkov | 100 FPS | 70 FPS | 45 FPS |
| Rust | 100 FPS | 70 FPS | 45 FPS |
| Minecraft | 415 FPS | 415 FPS | 320 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 608 W · Recommended: 750 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with AMD Ryzen 9 7900X
Other processors with Radeon RX 7700 XT
Other comparisons
The figures are estimates - real FPS depends on the game, settings and drivers. The FPS model is calibrated against public TechPowerUp, Tom’s Hardware and Hardware Unboxed benchmarks. CPU and GPU calibration: July 2026 · Newest games added: September 2026. How we calculate FPS