Celeron B800 vs Ryzen 9 9900X
The Celeron B800 is much slower than the Ryzen 9 9900X 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
Ryzen 9 9900X has a 193% higher base clock.
LGAG2 (988B)
Sockethelp
AM5Sandy Bridge
Codenamehelp
Granite RidgeMobile
Segmenthelp
DesktopIntel HD (Sandy Bridge)
Integrated GPUhelp
Radeon GraphicsDDR3
RAMhelp
5600 MHz (DDR5)Not Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Celeron B800 or Ryzen 9 9900X?expand_more
The Ryzen 9 9900X. It's 1480% faster than the Celeron B800 on average across 100+ games, scoring 79/100 vs 5/100 in our gaming rating.
speedHow much faster is Ryzen 9 9900X than Celeron B800?expand_more
1480% 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 Ryzen 9 9900X?expand_more
The Ryzen 9 9900X is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Ryzen 9 9900X worth buying in 2026?expand_more
It scores 79/100 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 Ryzen 9 9900X?expand_more
Performance: Celeron B800 scores 5/100, Ryzen 9 9900X scores 79/100. 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 Ryzen 9 9900X 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 Ryzen 9 9900X?expand_more
The Ryzen 9 9900X is the stronger pick at 79/100. 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 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 Ultra 5 245KFCeleron B800 vs Ryzen 5 5600Celeron B800 vs Ryzen 3 4100Celeron B800 vs i5-4590SRyzen 7 7800X3D vs Ryzen 9 9900XRyzen 5 7600X vs Ryzen 9 9900XRyzen 9 9900X vs Ryzen 9 9950X3DRyzen 7 7700X vs Ryzen 9 9900XRyzen 7 9850X3D vs Ryzen 9 9900XRyzen 7 9700X vs Ryzen 9 9900XRyzen 5 8500G vs Ryzen 9 9900XUltra 7 265KF vs Ryzen 9 9900XRyzen 9 9900X vs Ryzen 9 9900X3Di3-12100F vs Ryzen 9 9900XRyzen 5 7500X3D vs Ryzen 9 9900Xi5-6600 vs Ryzen 9 9900XRyzen 7 9800X3D vs Ryzen 9 9900Xi5-4670 vs Ryzen 9 9900XRyzen 5 3500X vs Ryzen 9 9900XRyzen 5 5500 vs Ryzen 9 9900XUltra 5 245K vs Ryzen 9 9900XUltra 5 245KF vs Ryzen 9 9900XRyzen 5 5600 vs Ryzen 9 9900XRyzen 3 4100 vs Ryzen 9 9900Xi5-4590S vs Ryzen 9 9900X