Core i5-6600K vs Core Ultra 7 265F
The Core i5-6600K is quite a bit slower than the Core Ultra 7 265F on average across 100+ games. However, it's a much better value for money, as it's $225.01 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 i5-6600K has a 46% higher base clock.
LGA1151
Sockethelp
LGA1851Skylake
Codenamehelp
Arrow Lake-SDesktop
Segmenthelp
DesktopHD Graphics 530
Integrated GPUhelp
No Integrated Graphics2133 MHz (DDR3), 2133 MHz (DDR4)
RAMhelp
6400 MHz (DDR5)Overclockable
Overclock Supporthelp
Not OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i5-6600K or Core Ultra 7 265F?expand_more
The Core Ultra 7 265F. It's 134% faster than the Core i5-6600K on average across 100+ games, scoring 68/100 vs 29/100 in our gaming rating.
speedHow much faster is Core Ultra 7 265F than Core i5-6600K?expand_more
134% 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 i5-6600K or Core Ultra 7 265F?expand_more
The Core Ultra 7 265F is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core Ultra 7 265F worth buying in 2026?expand_more
It scores 68/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i5-6600K and Core Ultra 7 265F?expand_more
Performance: Core i5-6600K scores 29/100, Core Ultra 7 265F scores 68/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i5-6600K or Core Ultra 7 265F 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 i5-6600K or Core Ultra 7 265F?expand_more
The Core Ultra 7 265F is the stronger pick at 68/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.