GeForce RTX 4090 vs Radeon RX 6600
GeForce RTX 4090 or Radeon RX 6600? Estimated FPS in popular games at 1080p, 1440p and 4K, the specs side by side, and what each costs in pounds with VAT included.
GeForce RTX 4090 vs Radeon RX 6600Expect around 246% more FPS in games from GeForce RTX 4090.Fortnite 1440p: 330 vs 95 FPS.
Frame rates side by side
Average frame rate on “High” with AMD Ryzen 7 9800X3D at QHD - 1440p.
| GeForce RTX 4090 | Radeon RX 6600 | |
|---|---|---|
| Fortnite | 330 FPS | 95 FPS |
| Counter-Strike 2 | 545 FPS | 160 FPS |
| Cyberpunk 2077 | 175 FPS | 50 FPS |
| Valorant | 755 FPS | 220 FPS |
| COD: Warzone | 280 FPS | 85 FPS |
| Battlefield 6 | 215 FPS | 65 FPS |
| PUBG: Battlegrounds | 315 FPS | 90 FPS |
| Rainbow Six Siege | 440 FPS | 125 FPS |
| Marvel Rivals | 140 FPS | 40 FPS |
| GTA V | 140 FPS | 40 FPS |
| Red Dead Redemption 2 | 205 FPS | 60 FPS |
| Escape from Tarkov | 140 FPS | 45 FPS |
| Rust | 165 FPS | 45 FPS |
| Minecraft | 570 FPS | 340 FPS |
The specs
| Model | GeForce RTX 4090 | Radeon RX 6600 |
|---|---|---|
| Our gaming performance score | 90 | 26 |
| TDP | 450 W | 132 W |
| VRAM | 24 GB | 8 GB |
| PSU we recommend | 850 W | 450 W |
Thinking of an upgrade?
Go to the PC builderPlan a compatible build and price it in pounds, VAT included, across the shops we track for the UK.
More head-to-heads
GeForce RTX 4090 vs GeForce RTX 5060GeForce RTX 4090 vs GeForce RTX 4080 SuperGeForce RTX 4090 vs GeForce RTX 5060 TiGeForce RTX 4090 vs GeForce RTX 4070 Ti SuperGeForce RTX 4090 vs GeForce RTX 5070GeForce RTX 4090 vs GeForce RTX 4070 SuperGeForce RTX 4090 vs GeForce RTX 5070 TiGeForce RTX 4090 vs GeForce RTX 4070
Frame rates in popular pairings
A guide only: how far apart they land depends on your game, settings and drivers. Our model is tuned against benchmarks published by TechPowerUp, Tom’s Hardware and Hardware Unboxed. CPU and GPU calibration: July 2026 · Newest games added: September 2026. How we calculate FPS