Results: Intel Core i5-10400F + GeForce RTX 3080
Intel Core i5-10400F and GeForce RTX 3080 paired: expected FPS in 10 games at 1080p, 1440p and 4K, bottleneck analysis and the recommended power supply wattage.
Prices in shops
Prices checked:
What it costs to run in the UK
At full load the pair draws about 385 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.10 an hour of play, or about £74 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 205 FPS | 165 FPS | 100 FPS |
| Counter-Strike 2 | 360 FPS | 270 FPS | 165 FPS |
| Cyberpunk 2077 | 110 FPS | 90 FPS | 55 FPS |
| Valorant | 430 FPS | 375 FPS | 230 FPS |
| COD: Warzone | 135 FPS | 135 FPS | 90 FPS |
| Battlefield 6 | 110 FPS | 110 FPS | 65 FPS |
| PUBG: Battlegrounds | 190 FPS | 155 FPS | 95 FPS |
| Rainbow Six Siege | 275 FPS | 220 FPS | 135 FPS |
| Marvel Rivals | 95 FPS | 70 FPS | 40 FPS |
| GTA V | 90 FPS | 70 FPS | 40 FPS |
| Red Dead Redemption 2 | 110 FPS | 100 FPS | 60 FPS |
| Escape from Tarkov | 65 FPS | 65 FPS | 50 FPS |
| Rust | 85 FPS | 80 FPS | 50 FPS |
| Minecraft | 275 FPS | 275 FPS | 275 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 551 W · Recommended: 750 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with Intel Core i5-10400F
Other processors with GeForce RTX 3080
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