Results: Intel Core i9-13900K + GeForce RTX 4080 Super
Intel Core i9-13900K and GeForce RTX 4080 Super 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.
- Intel Core i9-13900K: from £595.19 at GamingKit. Today is its lowest price in 30 days.
What it costs to run in the UK
At full load the pair draws about 445 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.12 an hour of play, or about £86 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 350 FPS | 260 FPS | 160 FPS |
| Counter-Strike 2 | 595 FPS | 435 FPS | 270 FPS |
| Cyberpunk 2077 | 185 FPS | 140 FPS | 85 FPS |
| Valorant | 730 FPS | 600 FPS | 370 FPS |
| COD: Warzone | 225 FPS | 225 FPS | 140 FPS |
| Battlefield 6 | 185 FPS | 175 FPS | 105 FPS |
| PUBG: Battlegrounds | 325 FPS | 250 FPS | 155 FPS |
| Rainbow Six Siege | 465 FPS | 350 FPS | 215 FPS |
| Marvel Rivals | 150 FPS | 110 FPS | 70 FPS |
| GTA V | 150 FPS | 110 FPS | 70 FPS |
| Red Dead Redemption 2 | 180 FPS | 160 FPS | 100 FPS |
| Escape from Tarkov | 115 FPS | 115 FPS | 80 FPS |
| Rust | 145 FPS | 130 FPS | 80 FPS |
| Minecraft | 460 FPS | 460 FPS | 460 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 635 W · Recommended: 800 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with Intel Core i9-13900K
Other processors with GeForce RTX 4080 Super
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