Core i5-6600 vs Core i9-11900KF
The Core i5-6600 is quite a bit slower than the Core i9-11900KF on average across 100+ games. However, it's a much better value for money, as it's $402.00 cheaper!
FPS Comparison Across Popular Games
Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.
Specs & Benchmark Comparison
Side-by-side specs, synthetic benchmarks, and key hardware differences.
Base Frequencyhelp
Core i9-11900KF has a 6% higher base clock.
LGA1151
Sockethelp
LGA1200Skylake
Codenamehelp
Rocket LakeDesktop
Segmenthelp
DesktopUHD Graphics 530
Integrated GPUhelp
No Integrated Graphics2133 MHz (DDR3), 2133 MHz (DDR4)
RAMhelp
3200 MHz (DDR4)Not Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i5-6600 or Core i9-11900KF?expand_more
The Core i9-11900KF. It's 104% faster than the Core i5-6600 on average across 100+ games, scoring 53/100 vs 26/100 in our gaming rating.
speedHow much faster is Core i9-11900KF than Core i5-6600?expand_more
104% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, Core i5-6600 or Core i9-11900KF?expand_more
The Core i9-11900KF is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core i9-11900KF worth buying in 2026?expand_more
It scores 53/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i5-6600 and Core i9-11900KF?expand_more
Performance: Core i5-6600 scores 26/100, Core i9-11900KF scores 53/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i5-6600 or Core i9-11900KF bottleneck my PC?expand_more
Depends on the rest of your build, especially your GPU. Swap the paired GPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
upgradeIs it worth upgrading to the Core i5-6600 or Core i9-11900KF?expand_more
The Core i9-11900KF is the stronger pick at 53/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
i5-6600 vs Ryzen 7 9800X3Di5-6600 vs Ryzen 7 7800X3Di5-6600 vs Ryzen 7 9700Xi5-6600 vs Ryzen 7 7700Xi5-6600 vs Ryzen 9 9900Xi5-6600 vs Ryzen 5 5500i5-6600 vs Ultra 7 265KFi5-6600 vs Ryzen 7 9850X3Di5-6600 vs Ryzen 9 9900X3Di5-6600 vs Ryzen 9 9950X3Di5-6600 vs Ryzen 5 7600Xi5-6600 vs Ultra 5 245Ki5-6600 vs Ryzen 5 8500Gi5-6600 vs Ultra 5 245KFi3-12100F vs i5-6600i5-6600 vs Ryzen 5 7500X3Di5-4670 vs i5-6600i5-6600 vs Ryzen 5 3500Xi5-6600 vs Ryzen 5 5600i5-6600 vs Ryzen 3 4100i5-4590S vs i5-6600i9-11900KF vs Ryzen 7 9800X3Di9-11900KF vs Ryzen 7 7800X3Di9-11900KF vs Ryzen 7 9700Xi9-11900KF vs Ryzen 7 7700Xi9-11900KF vs Ryzen 9 9900Xi9-11900KF vs Ryzen 5 5500i9-11900KF vs Ultra 7 265KFi9-11900KF vs Ryzen 7 9850X3Di9-11900KF vs Ryzen 9 9900X3Di9-11900KF vs Ryzen 9 9950X3Di9-11900KF vs Ryzen 5 7600Xi9-11900KF vs Ultra 5 245Ki9-11900KF vs Ryzen 5 8500Gi9-11900KF vs Ultra 5 245KFi3-12100F vs i9-11900KFi9-11900KF vs Ryzen 5 7500X3Di5-4670 vs i9-11900KFi9-11900KF vs Ryzen 5 3500Xi9-11900KF vs Ryzen 5 5600i9-11900KF vs Ryzen 3 4100i5-4590S vs i9-11900KF