GeForce RTX 4090 vs GeForce RTX 3080

GeForce RTX 4090 or GeForce RTX 3080? Estimated FPS in popular games at 1080p, 1440p and 4K, the specs side by side, and what each costs in pounds with VAT included.

Return to the FPS calculator

GeForce RTX 4090 vs GeForce RTX 3080Expect around 70% more FPS in games from GeForce RTX 4090.Fortnite 1440p: 330 vs 195 FPS.

Frame rates side by side

Average frame rate on “High” with AMD Ryzen 7 9800X3D at QHD - 1440p.

	GeForce RTX 4090	GeForce RTX 3080
Fortnite	330 FPS	195 FPS
Counter-Strike 2	545 FPS	320 FPS
Cyberpunk 2077	175 FPS	105 FPS
Valorant	755 FPS	445 FPS
COD: Warzone	280 FPS	170 FPS
Battlefield 6	215 FPS	130 FPS
PUBG: Battlegrounds	315 FPS	185 FPS
Rainbow Six Siege	440 FPS	260 FPS
Marvel Rivals	140 FPS	80 FPS
GTA V	140 FPS	80 FPS
Red Dead Redemption 2	205 FPS	120 FPS
Escape from Tarkov	140 FPS	95 FPS
Rust	165 FPS	95 FPS
Minecraft	570 FPS	570 FPS

The specs

Model	GeForce RTX 4090	GeForce RTX 3080
Our gaming performance score	90	53
TDP	450 W	320 W
VRAM	24 GB	10 GB
PSU we recommend	850 W	750 W

What they cost in the UK

Biostar RTX 3080 10GB

£612.57

Buy

Prices checked: 31 October 2026 at 01:35

Thinking of an upgrade?

Plan a compatible build and price it in pounds, VAT included, across the shops we track for the UK.

Go to the PC builder

More head-to-heads

GeForce RTX 4090 vs GeForce RTX 5060 GeForce RTX 4090 vs GeForce RTX 4080 Super GeForce RTX 4090 vs GeForce RTX 5060 Ti GeForce RTX 4090 vs GeForce RTX 4070 Ti Super GeForce RTX 4090 vs GeForce RTX 5070 GeForce RTX 4090 vs GeForce RTX 4070 Super GeForce RTX 4090 vs GeForce RTX 5070 Ti GeForce RTX 4090 vs GeForce RTX 4070

Frame rates in popular pairings

AMD Ryzen 7 9850X3D + GeForce RTX 4090 Intel Core i7-14700K + GeForce RTX 4090 AMD Ryzen 7 5800X3D + GeForce RTX 4090 Intel Core i5-12400F + GeForce RTX 4090

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