Tom Clancy's Rainbow Six Siege
1080p@100Hz·06:43 played
kanefav·1h ago
Public3 Tips
330
FPSAverage
229
FPS1% Low
83%/77°C
81%/80°C
16 GB
77%usage
Core i9-9900KS vs Core Ultra 7 265KF
The Core i9-9900KS is quite a bit slower than the Core Ultra 7 265KF on average across 100+ games. We cannot compare value as at least one CPU is out of stock.
Core Ultra 7 265KF72% Score
- Up to 56% faster on average across 100+ games
- Is 5 years and 1 month newer
- Up to 35% cheaper – $276.99 vs $513
- Up to 111% better value for money
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 i9-9900KS has a 3% higher base clock.
Turbo Frequencyhelp
Core Ultra 7 265KF boosts 10% higher.
LGA1151
Sockethelp
LGA1851Coffee Lake-R
Codenamehelp
Arrow Lake-SDesktop
Segmenthelp
DesktopUHD 630
Integrated GPUhelp
No Integrated Graphics2666 MHz (DDR4)
RAMhelp
6400 MHz (DDR5)Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i9-9900KS or Core Ultra 7 265KF?expand_more
The Core Ultra 7 265KF. It's 80% faster than the Core i9-9900KS on average across 100+ games, scoring 72/100 vs 40/100 in our gaming rating.
speedHow much faster is Core Ultra 7 265KF than Core i9-9900KS?expand_more
80% 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 i9-9900KS 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 72/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i9-9900KS and Core Ultra 7 265KF?expand_more
Performance: Core i9-9900KS scores 40/100, Core Ultra 7 265KF scores 72/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i9-9900KS 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 i9-9900KS or Core Ultra 7 265KF?expand_more
The Core Ultra 7 265KF is the stronger pick at 72/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
i9-9900KS vs Ryzen 7 7800X3Di9-9900KS vs Ryzen 7 9700Xi9-9900KS vs Ryzen 9 9900Xi9-9900KS vs Ryzen 7 7700Xi9-9900KS vs Ryzen 5 5500i9-9900KS vs Ryzen 7 9850X3Di9-9900KS vs Ryzen 5 7600Xi9-9900KS vs Ultra 5 245Ki9-9900KS vs Ultra 7 270K Plusi9-9900KS vs Ryzen 5 8500Gi9-9900KS vs Ryzen 5 5600i9-9900KS vs Ryzen 5 4500i9-9900KS vs i3-13100i9-9900KS vs Ryzen 5 7500X3Di9-9900KS vs Ultra 5 225i9-9900KS vs i5-4590i9-9900KS vs i5-4690i9-9900KS vs i5-4670i9-9900KS vs Ryzen 5 3500XUltra 7 265KF vs Ryzen 7 7800X3DUltra 7 265KF vs Ryzen 7 9700XUltra 7 265KF vs Ryzen 9 9900XUltra 7 265KF vs Ryzen 7 7700XUltra 7 265KF vs Ryzen 5 5500Ultra 7 265KF vs Ryzen 7 9850X3DUltra 7 265KF vs Ryzen 5 7600XUltra 7 265KF vs Ultra 5 245KUltra 7 265KF vs Ultra 7 270K PlusUltra 7 265KF vs Ryzen 5 8500GUltra 7 265KF vs Ryzen 5 5600Ultra 7 265KF vs Ryzen 5 4500Ultra 7 265KF vs i3-13100Ultra 7 265KF vs Ryzen 5 7500X3DUltra 7 265KF vs Ultra 5 225Ultra 7 265KF vs i5-4590Ultra 7 265KF vs i5-4690Ultra 7 265KF vs i5-4670Ultra 7 265KF vs Ryzen 5 3500X