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NVIDIA GeForce RTX 4090 + Intel Core i7-8700K

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/12T
CPU Cores
LGA1151
Socket
🛒 Check NVIDIA GeForce RTX 4090 Price🛒 Check Intel Core i7-8700K Price

Estimated FPS in Popular Games (1080p)

GameLowHighUltraGenre
Grand Theft Auto VI (GTA 6)16811682Open World
Cyberpunk 2077245170120Action Rpg
Counter-Strike 2 (CS2)641442316Fps Shooter
Valorant823567408Fps Shooter
Grand Theft Auto V (GTA 5)436302217Open World
Red Dead Redemption 2311216155Open World
Fortnite503347248Battle Royale
Call of Duty: Warzone349242172Battle Royale
Call of Duty: Black Ops 6349241172Fps Shooter
Apex Legends600415298Battle Royale
Minecraft (with Shaders)314217156Sandbox
League of Legends (LoL)891615441Moba
Dota 2560386278Moba
PUBG: Battlegrounds442305219Battle Royale
Overwatch 2714492353Fps Shooter
Rainbow Six Siege794547394Fps Shooter
Rust252175125Survival
Escape from Tarkov210145104Survival Fps
Hogwarts Legacy268185132Action Rpg
Elden Ring325225161Action Rpg
Baldur's Gate 3280193139Rpg
Starfield19913898Action Rpg
Helldivers 2284197141Co Op Shooter
Black Myth: Wukong242168121Action Rpg
Alan Wake 2218152108Survival Horror
Palworld308213151Survival
EA Sports FC 25514355256Sports
Forza Horizon 5400276197Racing
The Witcher 3 (Next-Gen)308212152Action Rpg
Marvel's Spider-Man 2268185132Action Adventure
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Upgrade Recommendations

Current: Intel Core i7-8700K
⬆ Intel Core i9-9900K
+26.2% performance gain
Your Intel Core i7-8700K limits the NVIDIA GeForce RTX 4090 by ~60%. Upgrading to Intel Core i9-9900K unlocks ~26.2% 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: 95W

FAQ

Does the Intel Core i7-8700K 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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