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NVIDIA GeForce RTX 4090 + 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

24GB
GPU VRAM
450W
GPU TDP
6C/6T
CPU Cores
LGA1151
Socket
🛒 Check NVIDIA GeForce RTX 4090 Price🛒 Check Intel Core i5-9400F Price

Estimated FPS in Popular Games (1080p)

GameLowHighUltraGenre
Grand Theft Auto VI (GTA 6)16411481Open World
Cyberpunk 2077242168118Action Rpg
Counter-Strike 2 (CS2)620427306Fps Shooter
Valorant786542390Fps Shooter
Grand Theft Auto V (GTA 5)428296213Open World
Red Dead Redemption 2307214153Open World
Fortnite491339242Battle Royale
Call of Duty: Warzone341236168Battle Royale
Call of Duty: Black Ops 6342237169Fps Shooter
Apex Legends590408294Battle Royale
Minecraft (with Shaders)305211151Sandbox
League of Legends (LoL)850587421Moba
Dota 2541374269Moba
PUBG: Battlegrounds432298214Battle Royale
Overwatch 2700483346Fps Shooter
Rainbow Six Siege775535384Fps Shooter
Rust244169121Survival
Escape from Tarkov202139100Survival Fps
Hogwarts Legacy264182131Action Rpg
Elden Ring319221158Action Rpg
Baldur's Gate 3273189135Rpg
Starfield19513696Action Rpg
Helldivers 2278193138Co Op Shooter
Black Myth: Wukong240167120Action Rpg
Alan Wake 2217151107Survival Horror
Palworld303210149Survival
EA Sports FC 25506350252Sports
Forza Horizon 5396274195Racing
The Witcher 3 (Next-Gen)304210150Action Rpg
Marvel's Spider-Man 2263182130Action 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 4090 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: 700W (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: 24GB GDDR — check per-game requirements in the FPS table.
🔋GPU Power Draw: 450W — CPU: 65W

FAQ

Does the Intel Core i5-9400F bottleneck the NVIDIA GeForce RTX 4090?

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

What PSU do I need?

A quality 700W 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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