PCPairs

Core i7-11700K + RX 6750 XT: bottleneck check

4%

Balanced at 1440p.

Well matched at 1440p. The RX 6750 XT is the slightly busier part, by about 4%.

By resolution

ResolutionLimiting partSeverityVerdict
1080pCPU 5%balanced
1440pGPU 4%balanced
4KGPU 25%GPU-bound (normal)

This is the classic pattern: at 1080p the Core i7-11700K is the limit (5%), while at 4K the RX 6750 XT takes over (25% GPU-limited). If you play at 1080p on a high-refresh monitor, a faster CPU is the upgrade that matters; at 1440p or 4K this pair is already well matched.

Specifications

Intel Core i7-11700K
Cores / threads8 / 16
Max boost5.0 GHz
SocketLGA1200
TDP125 W manufacturer-published TDP — sustained turbo can be higher · Intel ARK
Released2021
Gaming index62 / 100
Multi-core index54 / 100
AMD Radeon RX 6750 XT
VRAM12 GB
Board power250 W
Released2022
1080p index39.0 / 100
1440p index33 / 100
4K index27.9 / 100

Power supply

The RX 6750 XT measured 286 W average while gaming (407 W highest 20 ms spike, TechPowerUp). With the Core i7-11700K at its TDP of 125 W and about 75 W for the rest of the system, the sustained load is about 486 W. A 650 W unit is the safe choice. Details on the RX 6750 XT PSU page or try other pairs in the PSU calculator.

Upgrade paths

Cards that use the Core i7-11700K fully

Best CPU for the RX 6750 XT Best GPU for the Core i7-11700K RX 6750 XT PSU requirements

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