Athlon II X4 651 vs Core Ultra 7 265KF
The Athlon II X4 651 is much 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.
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 7 265KF has a 30% higher base clock.
FM1
Sockethelp
LGA1851Llano
Codenamehelp
Arrow Lake-SDesktop
Segmenthelp
DesktopNo Integrated Graphics
Integrated GPUhelp
No Integrated GraphicsDDR3
RAMhelp
6400 MHz (DDR5)Not Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Athlon II X4 651 or Core Ultra 7 265KF?expand_more
The Core Ultra 7 265KF. It's 1117% faster than the Athlon II X4 651 on average across 100+ games, scoring 73/100 vs 6/100 in our gaming rating.
speedHow much faster is Core Ultra 7 265KF than Athlon II X4 651?expand_more
1117% 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, Athlon II X4 651 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 73/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Athlon II X4 651 and Core Ultra 7 265KF?expand_more
Performance: Athlon II X4 651 scores 6/100, Core Ultra 7 265KF scores 73/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Athlon II X4 651 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 Athlon II X4 651 or Core Ultra 7 265KF?expand_more
The Core Ultra 7 265KF is the stronger pick at 73/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
Athlon II X4 651 vs Ryzen 7 7800X3DAthlon II X4 651 vs Ryzen 5 7600XAthlon II X4 651 vs Ryzen 9 9950X3DAthlon II X4 651 vs Ryzen 7 7700XAthlon II X4 651 vs Ryzen 9 9900XAthlon II X4 651 vs Ryzen 7 9850X3DAthlon II X4 651 vs Ryzen 7 9700XAthlon II X4 651 vs Ryzen 5 8500GAthlon II X4 651 vs Ryzen 9 9900X3DAthlon II X4 651 vs i3-12100FAthlon II X4 651 vs Ryzen 5 7500X3DAthlon II X4 651 vs i5-6600Athlon II X4 651 vs Ryzen 7 9800X3DAthlon II X4 651 vs i5-4670Athlon II X4 651 vs Ryzen 5 3500XAthlon II X4 651 vs Ryzen 5 5500Athlon II X4 651 vs Ultra 5 245KAthlon II X4 651 vs Ultra 5 245KFAthlon II X4 651 vs Ryzen 5 5600Athlon II X4 651 vs Ryzen 3 4100Athlon II X4 651 vs i5-4590SUltra 7 265KF vs Ryzen 7 7800X3DUltra 7 265KF vs Ryzen 5 7600XUltra 7 265KF vs Ryzen 9 9950X3DUltra 7 265KF vs Ryzen 7 7700XUltra 7 265KF vs Ryzen 9 9900XUltra 7 265KF vs Ryzen 7 9850X3DUltra 7 265KF vs Ryzen 7 9700XUltra 7 265KF vs Ryzen 5 8500GUltra 7 265KF vs Ryzen 9 9900X3Di3-12100F vs Ultra 7 265KFUltra 7 265KF vs Ryzen 5 7500X3Di5-6600 vs Ultra 7 265KFUltra 7 265KF vs Ryzen 7 9800X3Di5-4670 vs Ultra 7 265KFUltra 7 265KF vs Ryzen 5 3500XUltra 7 265KF vs Ryzen 5 5500Ultra 5 245K vs Ultra 7 265KFUltra 5 245KF vs Ultra 7 265KFUltra 7 265KF vs Ryzen 5 5600Ultra 7 265KF vs Ryzen 3 4100i5-4590S vs Ultra 7 265KF