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NVIDIA GeForce RTX 3080 Ti + 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

12GB
GPU VRAM
350W
GPU TDP
6C/6T
CPU Cores
LGA1151
Socket
🛒 Check NVIDIA GeForce RTX 3080 Ti Price🛒 Check Intel Core i5-8400 Price

Estimated FPS in Popular Games (1080p)

GameLowHighUltraGenre
Grand Theft Auto VI (GTA 6)966647Open World
Cyberpunk 20771399668Action Rpg
Counter-Strike 2 (CS2)378261187Fps Shooter
Valorant498343247Fps Shooter
Grand Theft Auto V (GTA 5)251173124Open World
Red Dead Redemption 217512187Open World
Fortnite291201144Battle Royale
Call of Duty: Warzone202140100Battle Royale
Call of Duty: Black Ops 620013999Fps Shooter
Apex Legends342237170Battle Royale
Minecraft (with Shaders)18312791Sandbox
League of Legends (LoL)539372267Moba
Dota 2330228164Moba
PUBG: Battlegrounds256177127Battle Royale
Overwatch 2410283203Fps Shooter
Rainbow Six Siege460317228Fps Shooter
Rust14910374Survival
Escape from Tarkov1258662Survival Fps
Hogwarts Legacy15210575Action Rpg
Elden Ring18512892Action Rpg
Baldur's Gate 316211280Rpg
Starfield1147956Action Rpg
Helldivers 216311381Co Op Shooter
Black Myth: Wukong1369568Action Rpg
Alan Wake 21228560Survival Horror
Palworld17612186Survival
EA Sports FC 25293203146Sports
Forza Horizon 5226156111Racing
The Witcher 3 (Next-Gen)17412086Action Rpg
Marvel's Spider-Man 215310575Action 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 Ti 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: 600W (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: 12GB GDDR — check per-game requirements in the FPS table.
🔋GPU Power Draw: 350W — CPU: 65W

FAQ

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

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

What PSU do I need?

A quality 600W 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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