Core i7-9800X vs Core Ultra 7 265KF
The Core i7-9800X is quite a bit slower than the Core Ultra 7 265KF on average across 100+ games and it's also a much worse value for money, as it's $475.88 more expensive!
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.
L3 Cachehelp
Core Ultra 7 265KF has 13.5 MB more L3 cache.
Base Frequencyhelp
Core Ultra 7 265KF has a 3% higher base clock.
Turbo Frequencyhelp
Core Ultra 7 265KF boosts 22% higher.
LGA2066
Sockethelp
LGA1851Skylake-X
Codenamehelp
Arrow Lake-SDesktop
Segmenthelp
DesktopNo Integrated Graphics
Integrated GPUhelp
No Integrated Graphics2666 MHz (DDR4)
RAMhelp
6400 MHz (DDR5)Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i7-9800X or Core Ultra 7 265KF?expand_more
The Core Ultra 7 265KF. It's 74% faster than the Core i7-9800X on average across 100+ games, scoring 66/100 vs 38/100 in our gaming rating.
speedHow much faster is Core Ultra 7 265KF than Core i7-9800X?expand_more
74% 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 i7-9800X or Core Ultra 7 265KF?expand_more
The Core Ultra 7 265KF is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core Ultra 7 265KF worth buying in 2026?expand_more
It scores 66/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i7-9800X and Core Ultra 7 265KF?expand_more
Performance: Core i7-9800X scores 38/100, Core Ultra 7 265KF scores 66/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i7-9800X or Core Ultra 7 265KF 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 i7-9800X or Core Ultra 7 265KF?expand_more
The Core Ultra 7 265KF is the stronger pick at 66/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
i7-9800X vs Ryzen 7 7800X3Di7-9800X vs Ryzen 5 7600Xi7-9800X vs Ryzen 9 9950X3Di7-9800X vs Ryzen 7 7700Xi7-9800X vs Ryzen 9 9900Xi7-9800X vs Ryzen 7 9850X3Di7-9800X vs Ryzen 7 9700Xi7-9800X vs Ryzen 5 8500Gi7-9800X vs Ryzen 9 9900X3Di3-12100F vs i7-9800Xi7-9800X vs Ryzen 5 7500X3DCeleron G1610 vs i7-9800XAthlon II X2 240 vs i7-9800Xi7-9800X vs Ryzen 7 9800X3Di7-9800X vs Pentium E5400i7-9800X vs Ultra 5 245Ki7-9800X vs Ultra 5 245KFUltra 7 265KF vs Ryzen 7 7800X3DUltra 7 265KF vs Ryzen 5 7600XUltra 7 265KF vs Ryzen 9 9950X3DUltra 7 265KF vs Ryzen 7 7700XUltra 7 265KF vs Ryzen 9 9900XUltra 7 265KF vs Ryzen 7 9850X3DUltra 7 265KF vs Ryzen 7 9700XUltra 7 265KF vs Ryzen 5 8500GUltra 7 265KF vs Ryzen 9 9900X3Di3-12100F vs Ultra 7 265KFUltra 7 265KF vs Ryzen 5 7500X3DCeleron G1610 vs Ultra 7 265KFAthlon II X2 240 vs Ultra 7 265KFUltra 7 265KF vs Ryzen 7 9800X3DUltra 7 265KF vs Pentium E5400Ultra 5 245K vs Ultra 7 265KFUltra 5 245KF vs Ultra 7 265KF