Results: AMD Ryzen 9 7900X + GeForce RTX 5090
AMD Ryzen 9 7900X and GeForce RTX 5090 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.
- GeForce RTX 5090: from £5,692.22 at GamingKit.
The pair together: from £5,973.06.
What a frame costs in the UK
The pair price at UK shops divided by the frames it gives at 1440p on high settings. Lower is better value.
| Game | FPS at 1440p | Cost per frame |
|---|---|---|
| Fortnite | 315 FPS | £18.96 |
| Counter-Strike 2 | 550 FPS | £10.86 |
| Cyberpunk 2077 | 170 FPS | £35.14 |
| Valorant | 655 FPS | £9.12 |
| COD: Warzone | 205 FPS | £29.14 |
| Battlefield 6 | 170 FPS | £35.14 |
| PUBG: Battlegrounds | 290 FPS | £20.60 |
| Rainbow Six Siege | 420 FPS | £14.22 |
| Marvel Rivals | 140 FPS | £42.66 |
| GTA V | 135 FPS | £44.24 |
| Red Dead Redemption 2 | 165 FPS | £36.20 |
| Escape from Tarkov | 100 FPS | £59.73 |
| Rust | 130 FPS | £45.95 |
| Minecraft | 415 FPS | £14.39 |
The same frame rate for less, in UK stock now
No cheaper graphics card in UK stock holds this frame rate with this processor today.
What it costs to run in the UK
At full load the pair draws about 745 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.20 an hour of play, or about £143 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 315 FPS | 315 FPS | 205 FPS |
| Counter-Strike 2 | 550 FPS | 550 FPS | 345 FPS |
| Cyberpunk 2077 | 170 FPS | 170 FPS | 110 FPS |
| Valorant | 655 FPS | 655 FPS | 475 FPS |
| COD: Warzone | 205 FPS | 205 FPS | 180 FPS |
| Battlefield 6 | 170 FPS | 170 FPS | 135 FPS |
| PUBG: Battlegrounds | 290 FPS | 290 FPS | 200 FPS |
| Rainbow Six Siege | 420 FPS | 420 FPS | 275 FPS |
| Marvel Rivals | 185 FPS | 140 FPS | 85 FPS |
| GTA V | 135 FPS | 135 FPS | 85 FPS |
| Red Dead Redemption 2 | 165 FPS | 165 FPS | 130 FPS |
| Escape from Tarkov | 100 FPS | 100 FPS | 100 FPS |
| Rust | 130 FPS | 130 FPS | 105 FPS |
| Minecraft | 415 FPS | 415 FPS | 415 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 1004 W · Recommended: 1250 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with AMD Ryzen 9 7900X
Other processors with GeForce RTX 5090
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