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CPU Comparison: FPS, Specs & Value

Core Ultra 7 265KF vs Xeon E3-1275 v5

The Core Ultra 7 265KF is much faster than the Xeon E3-1275 v5 on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

  • Up to 91% faster on average across 100+ games
  • Is 9 years and 2 months newer
  • Up to 76% better value for money
  • Up to 8% more expensive$276.99 vs $350
  • Up to 8% cheaper$350 vs $276.99

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Scorehelp

Core Ultra 7 265KF ranks 31 points higher.

Coreshelp

Core Ultra 7 265KF has 16 more cores.

Threadshelp

Core Ultra 7 265KF has 12 more threads.

L3 Cachehelp

Core Ultra 7 265KF has 22 MB more L3 cache.

Base Frequencyhelp

Core Ultra 7 265KF has a 8% higher base clock.

Turbo Frequencyhelp

Core Ultra 7 265KF boosts 38% higher.

TDPhelp

Xeon E3-1275 v5 draws 45W less power.

LGA1851
Sockethelp
LGA1151
Arrow Lake-S
Codenamehelp
Skylake-DT
Desktop
Segmenthelp
Server/Workstation
No Integrated Graphics
Integrated GPUhelp
HD Graphics P530
6400 MHz (DDR5)
RAMhelp
2133 MHz (DDR3), 2133 MHz (DDR4)
Overclockable
Overclock Supporthelp
Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core Ultra 7 265KF or Xeon E3-1275 v5?expand_more
The Core Ultra 7 265KF. It's 76% faster than the Xeon E3-1275 v5 on average across 100+ games, scoring 72/100 vs 41/100 in our gaming rating.
speedHow much faster is Core Ultra 7 265KF than Xeon E3-1275 v5?expand_more
76% 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 7 265KF or Xeon E3-1275 v5?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 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 Core Ultra 7 265KF and Xeon E3-1275 v5?expand_more
Performance: Core Ultra 7 265KF scores 72/100, Xeon E3-1275 v5 scores 41/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core Ultra 7 265KF or Xeon E3-1275 v5 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 7 265KF or Xeon E3-1275 v5?expand_more
The Core Ultra 7 265KF is the stronger pick at 72/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.

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