Fortnite
1440p@240Hz·24:13 played
TylerMain·5h ago
Public3 Tips
182
FPSAverage
149
FPS1% Low
52%/53°C
47%/69°C
64 GB
40%usage
Core Ultra 5 245KF vs FX-8120
The Core Ultra 5 245KF is much faster than the FX-8120 on average across 100+ games and it's also a better value for money, as it's only $117.74 more expensive!
Core Ultra 5 245KF69% Score
- Up to 275% faster on average across 100+ games
- Is 13 years and 3 months newer
- Available for $189.00
FX-81203% Score
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 35% higher base clock.
LGA1851
Sockethelp
AM3+Arrow Lake-S
Codenamehelp
ZambeziDesktop
Segmenthelp
DesktopNo Integrated Graphics
Integrated GPUhelp
On certain motherboards (Chipset feature)6400 MHz (DDR5)
RAMhelp
DDR3Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core Ultra 5 245KF or FX-8120?expand_more
The Core Ultra 5 245KF. It's 2200% faster than the FX-8120 on average across 100+ games, scoring 69/100 vs 3/100 in our gaming rating.
speedHow much faster is Core Ultra 5 245KF than FX-8120?expand_more
2200% 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 Ultra 5 245KF or FX-8120?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 69/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core Ultra 5 245KF and FX-8120?expand_more
Performance: Core Ultra 5 245KF scores 69/100, FX-8120 scores 3/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core Ultra 5 245KF or FX-8120 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 Ultra 5 245KF or FX-8120?expand_more
The Core Ultra 5 245KF is the stronger pick at 69/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
Ultra 5 245KF vs Ryzen 7 7800X3DUltra 5 245KF vs Ryzen 7 9700XUltra 5 245KF vs Ryzen 7 7700XUltra 5 245KF vs Ryzen 9 9900XUltra 5 245KF vs Ryzen 5 5500Ultra 5 245KF vs Ultra 7 265KFUltra 5 245KF vs Ryzen 7 9850X3DUltra 5 245KF vs Ryzen 5 7600XUltra 5 245KF vs Ultra 5 245KUltra 5 245KF vs Ryzen 5 8500GUltra 5 245KF vs i3-12100FUltra 5 245KF vs Ryzen 5 4500Ultra 5 245KF vs Ryzen 5 7500X3DUltra 5 245KF vs i5-4590Ultra 5 245KF vs i5-4590SUltra 5 245KF vs i5-4670Ultra 5 245KF vs Ryzen 5 3500XUltra 5 245KF vs Ryzen 5 7500FFX-8120 vs Ryzen 7 7800X3DFX-8120 vs Ryzen 7 9700XFX-8120 vs Ryzen 7 7700XFX-8120 vs Ryzen 9 9900XFX-8120 vs Ryzen 5 5500FX-8120 vs Ultra 7 265KFFX-8120 vs Ryzen 7 9850X3DFX-8120 vs Ryzen 5 7600XFX-8120 vs Ultra 5 245KFX-8120 vs Ryzen 5 8500GFX-8120 vs i3-12100FFX-8120 vs Ryzen 5 4500FX-8120 vs Ryzen 5 7500X3DFX-8120 vs i5-4590FX-8120 vs i5-4590SFX-8120 vs i5-4670FX-8120 vs Ryzen 5 3500XFX-8120 vs Ryzen 5 7500F