Results: AMD Ryzen 7 5800X3D + GeForce RTX 3090
AMD Ryzen 7 5800X3D and GeForce RTX 3090 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.
- AMD Ryzen 7 5800X3D: from £331.52 at GamingKit. Lowest in the last 30 days: £312.77.
- GeForce RTX 3090: from £2,774.42 at GamingKit.
The pair together: from £3,105.94.
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 | 195 FPS | £15.93 |
| Counter-Strike 2 | 320 FPS | £9.71 |
| Cyberpunk 2077 | 105 FPS | £29.58 |
| Valorant | 445 FPS | £6.98 |
| COD: Warzone | 170 FPS | £18.27 |
| Battlefield 6 | 125 FPS | £24.85 |
| PUBG: Battlegrounds | 185 FPS | £16.79 |
| Rainbow Six Siege | 260 FPS | £11.95 |
| Marvel Rivals | 80 FPS | £38.82 |
| GTA V | 80 FPS | £38.82 |
| Red Dead Redemption 2 | 120 FPS | £25.88 |
| Escape from Tarkov | 95 FPS | £32.69 |
| Rust | 95 FPS | £32.69 |
| Minecraft | 400 FPS | £7.76 |
The same frame rate for less, in UK stock now
- GeForce RTX 5070 from £522.69: 1% more frames with this processor.
- Radeon RX 9070 from £563.72: 4% more frames with this processor.
- Radeon RX 9070 XT from £860.92: 8% more frames with this processor.
What it costs to run in the UK
At full load the pair draws about 455 W. At 26.32p per kWh (Ofgem energy price cap, October to December 2026) that is £0.12 an hour of play, or about £87 a year at 2 hours a day.
Expected FPS
Average FPS on “High” settings
| 1080p FPS | 1440p FPS | 4K FPS | |
|---|---|---|---|
| Fortnite | 265 FPS | 195 FPS | 120 FPS |
| Counter-Strike 2 | 440 FPS | 320 FPS | 195 FPS |
| Cyberpunk 2077 | 145 FPS | 105 FPS | 65 FPS |
| Valorant | 605 FPS | 445 FPS | 275 FPS |
| COD: Warzone | 195 FPS | 170 FPS | 105 FPS |
| Battlefield 6 | 160 FPS | 125 FPS | 80 FPS |
| PUBG: Battlegrounds | 255 FPS | 185 FPS | 115 FPS |
| Rainbow Six Siege | 355 FPS | 260 FPS | 160 FPS |
| Marvel Rivals | 110 FPS | 80 FPS | 50 FPS |
| GTA V | 110 FPS | 80 FPS | 50 FPS |
| Red Dead Redemption 2 | 160 FPS | 120 FPS | 75 FPS |
| Escape from Tarkov | 100 FPS | 95 FPS | 60 FPS |
| Rust | 125 FPS | 95 FPS | 60 FPS |
| Minecraft | 400 FPS | 400 FPS | 400 FPS |
Bottleneck by resolution
Which component limits performance at each resolution
Power supply
Estimated load: 643 W · Recommended: 800 W
Put together a compatible build or compare component prices across retailers.
Other graphics cards with AMD Ryzen 7 5800X3D
Other processors with GeForce RTX 3090
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