PCPairs

Core i5-12600K + RTX 3080: bottleneck check

9%

Balanced at 1440p.

Well matched at 1440p. The RTX 3080 is the slightly busier part, by about 9%.

By resolution

ResolutionLimiting partSeverityVerdict
1080pGPU 1%balanced
1440pGPU 9%balanced
4KGPU 29%GPU-bound (normal)

The RTX 3080 is the limiting part at every resolution, which is the healthy direction, and the gap is small enough that neither part is wasted. Upgrade the GPU first when you want more frames.

Specifications

Intel Core i5-12600K
Cores / threads10 / 16
Max boost4.9 GHz
SocketLGA1700
Maximum turbo power (MTP)150 W Intel's published maximum sustained turbo power, above its base power; the PSU estimate uses it, so it errs high · Intel ARK
Released2021
Gaming index72 / 100
Multi-core index62 / 100
NVIDIA GeForce RTX 3080
VRAM10 GB
Board power320 W
Released2020
1080p index47.8 / 100
1440p index42 / 100
4K index36.9 / 100

Power supply

The RTX 3080 measured 336 W average while gaming (422 W highest 20 ms spike, TechPowerUp). With the Core i5-12600K at its maximum turbo power of 150 W and about 75 W for the rest of the system, the sustained load is about 561 W. A 750 W unit is the safe choice. Details on the RTX 3080 PSU page or try other pairs in the PSU calculator.

Upgrade paths

Best CPU for the RTX 3080 Best GPU for the Core i5-12600K RTX 3080 PSU requirements

Indexes are relative estimates aggregated from published reviews; real results vary by game, settings, memory speed and drivers. Methodology.