DESKTOP
NVIDIA GeForce RTX 3070 + 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
57.5%
1440p Bottleneck
CPU
52.1%
4K Bottleneck
CPU
Component Specs
8GB
GPU VRAM
220W
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) | 72 | 50 | 16 | Open World |
| Cyberpunk 2077 | 102 | 70 | 22 | Action Rpg |
| Counter-Strike 2 (CS2) | 294 | 202 | 145 | Fps Shooter |
| Valorant | 400 | 275 | 198 | Fps Shooter |
| Grand Theft Auto V (GTA 5) | 187 | 130 | 93 | Open World |
| Red Dead Redemption 2 | 127 | 88 | 63 | Open World |
| Fortnite | 220 | 152 | 109 | Battle Royale |
| Call of Duty: Warzone | 153 | 106 | 34 | Battle Royale |
| Call of Duty: Black Ops 6 | 150 | 104 | 33 | Fps Shooter |
| Apex Legends | 253 | 175 | 126 | Battle Royale |
| Minecraft (with Shaders) | 140 | 97 | 69 | Sandbox |
| League of Legends (LoL) | 433 | 298 | 214 | Moba |
| Dota 2 | 257 | 177 | 127 | Moba |
| PUBG: Battlegrounds | 194 | 134 | 96 | Battle Royale |
| Overwatch 2 | 307 | 212 | 152 | Fps Shooter |
| Rainbow Six Siege | 348 | 240 | 172 | Fps Shooter |
| Rust | 115 | 80 | 25 | Survival |
| Escape from Tarkov | 99 | 68 | 22 | Survival Fps |
| Hogwarts Legacy | 111 | 77 | 24 | Action Rpg |
| Elden Ring | 137 | 95 | 68 | Action Rpg |
| Baldur's Gate 3 | 122 | 85 | 27 | Rpg |
| Starfield | 85 | 59 | 19 | Action Rpg |
| Helldivers 2 | 122 | 84 | 27 | Co Op Shooter |
| Black Myth: Wukong | 99 | 69 | 22 | Action Rpg |
| Alan Wake 2 | 88 | 61 | 19 | Survival Horror |
| Palworld | 130 | 90 | 64 | Survival |
| EA Sports FC 25 | 217 | 150 | 108 | Sports |
| Forza Horizon 5 | 164 | 113 | 81 | Racing |
| The Witcher 3 (Next-Gen) | 128 | 88 | 63 | Action Rpg |
| Marvel's Spider-Man 2 | 113 | 78 | 25 | 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 NVIDIA GeForce RTX 3070 by ~60%. Upgrading to Intel Core i7-9700K unlocks ~49.0% more CPU performance on the same socket.
Compatibility & Power
⚡Recommended PSU: 450W (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: 220W — CPU: 65W
FAQ
Does the Intel Core i5-8400 bottleneck the NVIDIA GeForce RTX 3070?
At 1080p, the estimated bottleneck is 60% (CPU).
What PSU do I need?
A quality 450W 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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