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NVIDIA GeForce RTX 4080 + Intel Core i5-9400F

Bottleneck Analysis & Gaming FPS Estimates

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Severe CPU Bottleneck

Significant bottleneck (~60%). Upgrading the CPU is strongly recommended.

Bottleneck at a Glance

60%
1080p Bottleneck
CPU
60%
1440p Bottleneck
CPU
60%
4K Bottleneck
CPU

Component Specs

16GB
GPU VRAM
320W
GPU TDP
6C/6T
CPU Cores
LGA1151
Socket
🛒 Check NVIDIA GeForce RTX 4080 Price🛒 Check Intel Core i5-9400F Price

Estimated FPS in Popular Games (1080p)

GameLowHighUltraGenre
Grand Theft Auto VI (GTA 6)1278863Open World
Cyberpunk 207718612991Action Rpg
Counter-Strike 2 (CS2)491339243Fps Shooter
Valorant636438315Fps Shooter
Grand Theft Auto V (GTA 5)332230165Open World
Red Dead Redemption 2235163117Open World
Fortnite384265189Battle Royale
Call of Duty: Warzone266184131Battle Royale
Call of Duty: Black Ops 6265184131Fps Shooter
Apex Legends455315226Battle Royale
Minecraft (with Shaders)240166119Sandbox
League of Legends (LoL)688475341Moba
Dota 2429296213Moba
PUBG: Battlegrounds337233167Battle Royale
Overwatch 2543374269Fps Shooter
Rainbow Six Siege605417300Fps Shooter
Rust19313496Survival
Escape from Tarkov16111180Survival Fps
Hogwarts Legacy203140100Action Rpg
Elden Ring246171122Action Rpg
Baldur's Gate 3213147106Rpg
Starfield15110574Action Rpg
Helldivers 2216149107Co Op Shooter
Black Myth: Wukong18312791Action Rpg
Alan Wake 216511581Survival Horror
Palworld234162115Survival
EA Sports FC 25390270194Sports
Forza Horizon 5303209149Racing
The Witcher 3 (Next-Gen)233161115Action Rpg
Marvel's Spider-Man 2203140100Action Adventure
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Upgrade Recommendations

Current: Intel Core i5-9400F
⬆ Intel Core i7-9700K
+35.2% performance gain
Your Intel Core i5-9400F limits the NVIDIA GeForce RTX 4080 by ~60%. Upgrading to Intel Core i7-9700K unlocks ~35.2% more CPU performance on the same socket.
View New ComboCheck Price on Amazon

Compatibility & Power

⚡Recommended PSU: 550W (80+ Bronze or better)
🔌CPU Socket: LGA1151 — verify your motherboard compatibility.
⚠️9th Gen Intel CPUs on 300-series motherboards may require a BIOS update.
🎮VRAM: 16GB GDDR — check per-game requirements in the FPS table.
🔋GPU Power Draw: 320W — CPU: 65W

FAQ

Does the Intel Core i5-9400F bottleneck the NVIDIA GeForce RTX 4080?

At 1080p, the estimated bottleneck is 60% (CPU).

What PSU do I need?

A quality 550W 80+ Bronze PSU is recommended.

Can I upgrade the CPU without changing my motherboard?

Yes — as long as you stay on the LGA1151 socket.

Compare Other Pairings

NVIDIA GeForce GTX 1050 TiNVIDIA GeForce GTX 1060 6GBNVIDIA GeForce GTX 1070NVIDIA GeForce GTX 1070 TiNVIDIA GeForce GTX 1080NVIDIA GeForce GTX 1080 Ti
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