Results: Intel Core i5-12400F + GeForce RTX 5090
Intel Core i5-12400F 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.
- 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.
- GeForce RTX 5090: from £5,692.22 at GamingKit.
The pair together: from £5,835.90.
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 | 260 FPS | £22.45 |
| Counter-Strike 2 | 450 FPS | £12.97 |
| Cyberpunk 2077 | 140 FPS | £41.69 |
| Valorant | 540 FPS | £10.81 |
| COD: Warzone | 170 FPS | £34.33 |
| Battlefield 6 | 140 FPS | £41.69 |
| PUBG: Battlegrounds | 240 FPS | £24.32 |
| Rainbow Six Siege | 345 FPS | £16.92 |
| Marvel Rivals | 135 FPS | £43.23 |
| GTA V | 110 FPS | £53.05 |
| Red Dead Redemption 2 | 135 FPS | £43.23 |
| Escape from Tarkov | 85 FPS | £68.66 |
| Rust | 110 FPS | £53.05 |
| Minecraft | 340 FPS | £17.16 |
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 640 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.17 an hour of play, or about £123 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 260 FPS | 260 FPS | 200 FPS |
| Counter-Strike 2 | 450 FPS | 450 FPS | 330 FPS |
| Cyberpunk 2077 | 140 FPS | 140 FPS | 105 FPS |
| Valorant | 540 FPS | 540 FPS | 455 FPS |
| COD: Warzone | 170 FPS | 170 FPS | 170 FPS |
| Battlefield 6 | 140 FPS | 140 FPS | 130 FPS |
| PUBG: Battlegrounds | 240 FPS | 240 FPS | 190 FPS |
| Rainbow Six Siege | 345 FPS | 345 FPS | 265 FPS |
| Marvel Rivals | 150 FPS | 135 FPS | 85 FPS |
| GTA V | 110 FPS | 110 FPS | 85 FPS |
| Red Dead Redemption 2 | 135 FPS | 135 FPS | 125 FPS |
| Escape from Tarkov | 85 FPS | 85 FPS | 85 FPS |
| Rust | 110 FPS | 110 FPS | 100 FPS |
| Minecraft | 340 FPS | 340 FPS | 340 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 857 W · Recommended: 1050 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with Intel Core i5-12400F
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