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NVIDIA GeForce RTX 3080 10GB + Intel Core i5-8400

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

10GB
GPU VRAM
320W
GPU TDP
6C/6T
CPU Cores
LGA1151
Socket
🛒 Check NVIDIA GeForce RTX 3080 10GB Price🛒 Check Intel Core i5-8400 Price

Estimated FPS in Popular Games (1080p)

GameLowHighUltraGenre
Grand Theft Auto VI (GTA 6)886143Open World
Cyberpunk 20771278862Action Rpg
Counter-Strike 2 (CS2)352242174Fps Shooter
Valorant467322232Fps Shooter
Grand Theft Auto V (GTA 5)231160115Open World
Red Dead Redemption 216011180Open World
Fortnite269186133Battle Royale
Call of Duty: Warzone18712992Battle Royale
Call of Duty: Black Ops 618512891Fps Shooter
Apex Legends314217156Battle Royale
Minecraft (with Shaders)17011784Sandbox
League of Legends (LoL)506349250Moba
Dota 2307212152Moba
PUBG: Battlegrounds236163117Battle Royale
Overwatch 2378260187Fps Shooter
Rainbow Six Siege425293210Fps Shooter
Rust1389668Survival
Escape from Tarkov1178158Survival Fps
Hogwarts Legacy1399669Action Rpg
Elden Ring17011884Action Rpg
Baldur's Gate 315010374Rpg
Starfield1057352Action Rpg
Helldivers 215010474Co Op Shooter
Black Myth: Wukong1258762Action Rpg
Alan Wake 21127755Survival Horror
Palworld16111179Survival
EA Sports FC 25269186134Sports
Forza Horizon 5206142102Racing
The Witcher 3 (Next-Gen)16011079Action Rpg
Marvel's Spider-Man 21409769Action Adventure
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Upgrade Recommendations

Current: Intel Core i5-8400
⬆ Intel Core i7-9700K
+49.0% performance gain
Your Intel Core i5-8400 limits the NVIDIA GeForce RTX 3080 10GB by ~60%. Upgrading to Intel Core i7-9700K unlocks ~49.0% 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: 10GB GDDR — check per-game requirements in the FPS table.
🔋GPU Power Draw: 320W — CPU: 65W

FAQ

Does the Intel Core i5-8400 bottleneck the NVIDIA GeForce RTX 3080 10GB?

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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