Results: Intel Core Ultra 5 245K + GeForce RTX 4090
Intel Core Ultra 5 245K and GeForce RTX 4090 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 Ultra 5 245K: from £202.57 at Back to the Office, 3 listings up to £204.07. Lowest in the last 30 days: £198.23.
What it costs to run in the UK
At full load the pair draws about 575 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.15 an hour of play, or about £110 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 310 FPS | 300 FPS | 185 FPS |
| Counter-Strike 2 | 540 FPS | 500 FPS | 310 FPS |
| Cyberpunk 2077 | 165 FPS | 160 FPS | 100 FPS |
| Valorant | 650 FPS | 650 FPS | 425 FPS |
| COD: Warzone | 200 FPS | 200 FPS | 165 FPS |
| Battlefield 6 | 165 FPS | 165 FPS | 120 FPS |
| PUBG: Battlegrounds | 290 FPS | 290 FPS | 180 FPS |
| Rainbow Six Siege | 415 FPS | 405 FPS | 250 FPS |
| Marvel Rivals | 175 FPS | 125 FPS | 80 FPS |
| GTA V | 135 FPS | 125 FPS | 80 FPS |
| Red Dead Redemption 2 | 160 FPS | 160 FPS | 115 FPS |
| Escape from Tarkov | 100 FPS | 100 FPS | 95 FPS |
| Rust | 130 FPS | 130 FPS | 95 FPS |
| Minecraft | 410 FPS | 410 FPS | 410 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 791 W · Recommended: 950 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with Intel Core Ultra 5 245K
Other processors with GeForce RTX 4090
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