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NVIDIA GeForce RTX 4090 + AMD Ryzen 7 5800X

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
56.1%
4K Bottleneck
CPU

Component Specs

24GB
GPU VRAM
450W
GPU TDP
8C/16T
CPU Cores
AM4
Socket
🛒 Check NVIDIA GeForce RTX 4090 Price🛒 Check AMD Ryzen 7 5800X Price

Estimated FPS in Popular Games (1080p)

GameLowHighUltraGenre
Grand Theft Auto VI (GTA 6)18312790Open World
Cyberpunk 2077260180127Action Rpg
Counter-Strike 2 (CS2)738509365Fps Shooter
Valorant996687494Fps Shooter
Grand Theft Auto V (GTA 5)476329237Open World
Red Dead Redemption 2326226163Open World
Fortnite558385275Battle Royale
Call of Duty: Warzone387268191Battle Royale
Call of Duty: Black Ops 6381263188Fps Shooter
Apex Legends645446321Battle Royale
Minecraft (with Shaders)354245176Sandbox
League of Legends (LoL)1078744534Moba
Dota 2645445320Moba
PUBG: Battlegrounds490338243Battle Royale
Overwatch 2779537386Fps Shooter
Rainbow Six Siege881607437Fps Shooter
Rust290201144Survival
Escape from Tarkov247171122Survival Fps
Hogwarts Legacy284196140Action Rpg
Elden Ring349242173Action Rpg
Baldur's Gate 3310215154Rpg
Starfield217151107Action Rpg
Helldivers 2310215153Co Op Shooter
Black Myth: Wukong254176127Action Rpg
Alan Wake 2226157112Survival Horror
Palworld331229163Survival
EA Sports FC 25553382275Sports
Forza Horizon 5420290207Racing
The Witcher 3 (Next-Gen)326225162Action Rpg
Marvel's Spider-Man 2288198142Action Adventure
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Upgrade Recommendations

Current: AMD Ryzen 7 5800X
⬆ AMD Ryzen 7 5800X3D
+39.7% performance gain
Your AMD Ryzen 7 5800X limits the NVIDIA GeForce RTX 4090 by ~60%. Upgrading to AMD Ryzen 7 5800X3D unlocks ~39.7% more CPU performance on the same socket.
View New ComboCheck Price on Amazon

Compatibility & Power

⚡Recommended PSU: 750W (80+ Bronze or better)
🔌CPU Socket: AM4 — verify your motherboard compatibility.
⚠️Upgrading to Ryzen 5000 series on B350/B450/X470 motherboards requires a BIOS update.
🎮VRAM: 24GB GDDR — check per-game requirements in the FPS table.
🔋GPU Power Draw: 450W — CPU: 105W

FAQ

Does the AMD Ryzen 7 5800X bottleneck the NVIDIA GeForce RTX 4090?

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

What PSU do I need?

A quality 750W 80+ Bronze PSU is recommended.

Can I upgrade the CPU without changing my motherboard?

Yes — as long as you stay on the AM4 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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