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AMD Radeon RX 6600 XT + Intel Core i5-8400
Bottleneck Analysis & Gaming FPS Estimates
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Severe CPU Bottleneck
Significant bottleneck (~47.9%). Upgrading the CPU is strongly recommended.
Bottleneck at a Glance
47.9%
1080p Bottleneck
CPU
42.1%
1440p Bottleneck
CPU
34.8%
4K Bottleneck
CPU
Component Specs
8GB
GPU VRAM
160W
GPU TDP
6C/6T
CPU Cores
LGA1151
Socket
Estimated FPS in Popular Games (1080p)
| Game | Low | High | Ultra | Genre |
|---|---|---|---|---|
| Grand Theft Auto VI (GTA 6) | 57 | 39 | 12 | Open World |
| Cyberpunk 2077 | 78 | 54 | 17 | Action Rpg |
| Counter-Strike 2 (CS2) | 240 | 166 | 119 | Fps Shooter |
| Valorant | 337 | 233 | 167 | Fps Shooter |
| Grand Theft Auto V (GTA 5) | 148 | 102 | 73 | Open World |
| Red Dead Redemption 2 | 97 | 67 | 48 | Open World |
| Fortnite | 176 | 121 | 87 | Battle Royale |
| Call of Duty: Warzone | 122 | 84 | 27 | Battle Royale |
| Call of Duty: Black Ops 6 | 118 | 82 | 26 | Fps Shooter |
| Apex Legends | 197 | 136 | 98 | Battle Royale |
| Minecraft (with Shaders) | 113 | 78 | 56 | Sandbox |
| League of Legends (LoL) | 365 | 252 | 181 | Moba |
| Dota 2 | 210 | 145 | 104 | Moba |
| PUBG: Battlegrounds | 154 | 106 | 76 | Battle Royale |
| Overwatch 2 | 242 | 167 | 120 | Fps Shooter |
| Rainbow Six Siege | 278 | 191 | 137 | Fps Shooter |
| Rust | 94 | 65 | 21 | Survival |
| Escape from Tarkov | 82 | 56 | 18 | Survival Fps |
| Hogwarts Legacy | 86 | 59 | 19 | Action Rpg |
| Elden Ring | 107 | 74 | 53 | Action Rpg |
| Baldur's Gate 3 | 98 | 67 | 21 | Rpg |
| Starfield | 67 | 47 | 15 | Action Rpg |
| Helldivers 2 | 96 | 66 | 21 | Co Op Shooter |
| Black Myth: Wukong | 76 | 52 | 17 | Action Rpg |
| Alan Wake 2 | 67 | 46 | 14 | Survival Horror |
| Palworld | 101 | 70 | 50 | Survival |
| EA Sports FC 25 | 169 | 117 | 84 | Sports |
| Forza Horizon 5 | 125 | 86 | 62 | Racing |
| The Witcher 3 (Next-Gen) | 99 | 68 | 49 | Action Rpg |
| Marvel's Spider-Man 2 | 88 | 61 | 19 | Action 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 6600 XT by ~47.9%. Upgrading to Intel Core i7-9700K unlocks ~49.0% more CPU performance on the same socket.
Compatibility & Power
⚡Recommended PSU: 400W (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: 8GB GDDR — check per-game requirements in the FPS table.
🔋GPU Power Draw: 160W — CPU: 65W
FAQ
Does the Intel Core i5-8400 bottleneck the AMD Radeon RX 6600 XT?
At 1080p, the estimated bottleneck is 47.9% (CPU).
What PSU do I need?
A quality 400W 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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