HS
HardwareStack

Intel Core i9-12900K + NVIDIA GeForce RTX 4090 Bottleneck

The CPU holds the GPU back at 1080p (22% imbalance); the GPU is the limit at 1440p (28% imbalance) and 4K (68%). The best resolution for this pair is 1080p.

Bottleneck by resolution

ResolutionCPU LoadGPU LoadImbalanceResult
1080p100%78%22%CPU BN
1440p72%100%28%GPU BN
4K32%100%68%GPU BN

Imbalances under 10% count as balanced. Assumes fast dual-channel RAM; add your RAM kit in the calculator for a tailored result.

Upgrade Recommendation

4K is extremely GPU-demanding. No single upgrade may fully close the gap — this is the strongest option in our database.

NVIDIA GeForce RTX 5090 D

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