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AMD Radeon RX 7900 GRE + 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

16GB
GPU VRAM
260W
GPU TDP
6C/6T
CPU Cores
LGA1151
Socket
🛒 Check AMD Radeon RX 7900 GRE Price🛒 Check Intel Core i5-8400 Price

Estimated FPS in Popular Games (1080p)

GameLowHighUltraGenre
Grand Theft Auto VI (GTA 6)1057251Open World
Cyberpunk 207715210574Action Rpg
Counter-Strike 2 (CS2)408281201Fps Shooter
Valorant533367264Fps Shooter
Grand Theft Auto V (GTA 5)273189135Open World
Red Dead Redemption 219213396Open World
Fortnite316218156Battle Royale
Call of Duty: Warzone220152108Battle Royale
Call of Duty: Black Ops 6218151107Fps Shooter
Apex Legends373258186Battle Royale
Minecraft (with Shaders)19813798Sandbox
League of Legends (LoL)577398286Moba
Dota 2356246177Moba
PUBG: Battlegrounds278192137Battle Royale
Overwatch 2447308221Fps Shooter
Rainbow Six Siege499344247Fps Shooter
Rust16011179Survival
Escape from Tarkov1359366Survival Fps
Hogwarts Legacy16611482Action Rpg
Elden Ring202140100Action Rpg
Baldur's Gate 317612187Rpg
Starfield1248661Action Rpg
Helldivers 217812388Co Op Shooter
Black Myth: Wukong14910474Action Rpg
Alan Wake 21349366Survival Horror
Palworld19213394Survival
EA Sports FC 25320221159Sports
Forza Horizon 5247171122Racing
The Witcher 3 (Next-Gen)19113294Action Rpg
Marvel's Spider-Man 216711582Action 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 AMD Radeon RX 7900 GRE 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: 500W (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: 16GB GDDR — check per-game requirements in the FPS table.
🔋GPU Power Draw: 260W — CPU: 65W

FAQ

Does the Intel Core i5-8400 bottleneck the AMD Radeon RX 7900 GRE?

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

What PSU do I need?

A quality 500W 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

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