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 i5-6600K vs Core Ultra 5 245K
The Core i5-6600K is quite a bit slower than the Core Ultra 5 245K on average across 100+ games and it's also a slightly worse value for money, as it's only $79.99 cheaper!
Core i5-6600K29% Score
- Up to 32% cheaper – $100.00 vs $179.99
Core Ultra 5 245K70% Score
- Up to 89% faster on average across 100+ games
- Is 9 years and 4 months newer
- Up to 44% better value for money
- Up to 32% more expensive – $179.99 vs $100.00
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 Ultra 5 245K has a 20% higher base clock.
LGA1151
Sockethelp
LGA1851Skylake
Codenamehelp
Arrow Lake-SDesktop
Segmenthelp
DesktopHD Graphics 530
Integrated GPUhelp
Arc Xe-LPG Graphics 64EU2133 MHz (DDR3), 2133 MHz (DDR4)
RAMhelp
6400 MHz (DDR5)Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i5-6600K or Core Ultra 5 245K?expand_more
The Core Ultra 5 245K. It's 141% faster than the Core i5-6600K on average across 100+ games, scoring 70/100 vs 29/100 in our gaming rating.
speedHow much faster is Core Ultra 5 245K than Core i5-6600K?expand_more
141% 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 5 245K?expand_more
The Core Ultra 5 245K is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core Ultra 5 245K worth buying in 2026?expand_more
It scores 70/100 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 5 245K?expand_more
Performance: Core i5-6600K scores 29/100, Core Ultra 5 245K scores 70/100. 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 5 245K 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 5 245K?expand_more
The Core Ultra 5 245K is the stronger pick at 70/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
i5-6600K vs Ryzen 7 7800X3Di5-6600K vs Ryzen 7 9700Xi5-6600K vs Ryzen 9 9900Xi5-6600K vs Ryzen 7 7700Xi5-6600K vs Ryzen 5 5500i5-6600K vs Ultra 7 265KFi5-6600K vs Ryzen 7 9850X3Di5-6600K vs Ryzen 5 7600Xi5-6600K vs Ultra 7 270K Plusi5-6600K vs Ryzen 5 8500Gi5-6600K vs Ryzen 5 5600i5-6600K vs Ryzen 5 4500i5-6600K vs i3-13100i5-6600K vs Ryzen 5 7500X3Di5-6600K vs Ultra 5 225i5-6600K vs i5-4590i5-6600K vs i5-4690i5-6600K vs i5-4670i5-6600K vs Ryzen 5 3500XUltra 5 245K vs Ryzen 7 7800X3DUltra 5 245K vs Ryzen 7 9700XUltra 5 245K vs Ryzen 9 9900XUltra 5 245K vs Ryzen 7 7700XUltra 5 245K vs Ryzen 5 5500Ultra 5 245K vs Ultra 7 265KFUltra 5 245K vs Ryzen 7 9850X3DUltra 5 245K vs Ryzen 5 7600XUltra 5 245K vs Ultra 7 270K PlusUltra 5 245K vs Ryzen 5 8500GUltra 5 245K vs Ryzen 5 5600Ultra 5 245K vs Ryzen 5 4500Ultra 5 245K vs i3-13100Ultra 5 245K vs Ryzen 5 7500X3DUltra 5 245K vs Ultra 5 225Ultra 5 245K vs i5-4590Ultra 5 245K vs i5-4690Ultra 5 245K vs i5-4670Ultra 5 245K vs Ryzen 5 3500X