Celeron B800 vs Core Ultra 5 245KF
The Celeron B800 is much slower than the Core Ultra 5 245KF on average across 100+ games. We cannot compare value as at least one CPU is out of stock.
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 245KF has a 180% higher base clock.
LGAG2 (988B)
Sockethelp
LGA1851Sandy Bridge
Codenamehelp
Arrow Lake-SMobile
Segmenthelp
DesktopIntel HD (Sandy Bridge)
Integrated GPUhelp
No Integrated GraphicsDDR3
RAMhelp
6400 MHz (DDR5)Not Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Celeron B800 or Core Ultra 5 245KF?expand_more
The Core Ultra 5 245KF. It's 1340% faster than the Celeron B800 on average across 100+ games, scoring 72/100 vs 5/100 in our gaming rating.
speedHow much faster is Core Ultra 5 245KF than Celeron B800?expand_more
1340% 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, Celeron B800 or Core Ultra 5 245KF?expand_more
The Core Ultra 5 245KF is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core Ultra 5 245KF 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 Celeron B800 and Core Ultra 5 245KF?expand_more
Performance: Celeron B800 scores 5/100, Core Ultra 5 245KF 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 Celeron B800 or Core Ultra 5 245KF 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 Celeron B800 or Core Ultra 5 245KF?expand_more
The Core Ultra 5 245KF is the stronger pick at 72/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
Celeron B800 vs Ryzen 7 7800X3DCeleron B800 vs Ryzen 5 7600XCeleron B800 vs Ryzen 9 9950X3DCeleron B800 vs Ryzen 7 7700XCeleron B800 vs Ryzen 9 9900XCeleron B800 vs Ryzen 7 9850X3DCeleron B800 vs Ryzen 7 9700XCeleron B800 vs Ryzen 5 8500GCeleron B800 vs Ultra 7 265KFCeleron B800 vs Ryzen 9 9900X3DCeleron B800 vs i3-12100FCeleron B800 vs Ryzen 5 7500X3DCeleron B800 vs i5-6600Celeron B800 vs Ryzen 7 9800X3DCeleron B800 vs i5-4670Celeron B800 vs Ryzen 5 3500XCeleron B800 vs Ryzen 5 5500Celeron B800 vs Ultra 5 245KCeleron B800 vs Ryzen 5 5600Celeron B800 vs Ryzen 3 4100Celeron B800 vs i5-4590SUltra 5 245KF vs Ryzen 7 7800X3DUltra 5 245KF vs Ryzen 5 7600XUltra 5 245KF vs Ryzen 9 9950X3DUltra 5 245KF vs Ryzen 7 7700XUltra 5 245KF vs Ryzen 9 9900XUltra 5 245KF vs Ryzen 7 9850X3DUltra 5 245KF vs Ryzen 7 9700XUltra 5 245KF vs Ryzen 5 8500GUltra 5 245KF vs Ultra 7 265KFUltra 5 245KF vs Ryzen 9 9900X3Di3-12100F vs Ultra 5 245KFUltra 5 245KF vs Ryzen 5 7500X3Di5-6600 vs Ultra 5 245KFUltra 5 245KF vs Ryzen 7 9800X3Di5-4670 vs Ultra 5 245KFUltra 5 245KF vs Ryzen 5 3500XUltra 5 245KF vs Ryzen 5 5500Ultra 5 245K vs Ultra 5 245KFUltra 5 245KF vs Ryzen 5 5600Ultra 5 245KF vs Ryzen 3 4100i5-4590S vs Ultra 5 245KF