Results: Intel Core i5-12400F + Radeon RX 7800 XT
Intel Core i5-12400F and Radeon RX 7800 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.
- Intel Core i5-12400F: from £143.69 at Back to the Office, 3 listings up to £145.60. Lowest in the last 30 days: £135.82.
What it costs to run in the UK
At full load the pair draws about 328 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.09 an hour of play, or about £63 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 225 FPS | 165 FPS | 100 FPS |
| Counter-Strike 2 | 375 FPS | 270 FPS | 170 FPS |
| Cyberpunk 2077 | 120 FPS | 90 FPS | 55 FPS |
| Valorant | 515 FPS | 375 FPS | 230 FPS |
| COD: Warzone | 170 FPS | 145 FPS | 90 FPS |
| Battlefield 6 | 140 FPS | 110 FPS | 65 FPS |
| PUBG: Battlegrounds | 215 FPS | 155 FPS | 95 FPS |
| Rainbow Six Siege | 300 FPS | 220 FPS | 135 FPS |
| Marvel Rivals | 95 FPS | 70 FPS | 40 FPS |
| GTA V | 95 FPS | 70 FPS | 40 FPS |
| Red Dead Redemption 2 | 135 FPS | 100 FPS | 65 FPS |
| Escape from Tarkov | 85 FPS | 80 FPS | 50 FPS |
| Rust | 110 FPS | 80 FPS | 50 FPS |
| Minecraft | 340 FPS | 340 FPS | 340 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 483 W · Recommended: 700 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with Intel Core i5-12400F
Other processors with Radeon RX 7800 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