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CPU Comparison: FPS, Specs & Value

Core i5-10400 vs Core Ultra 7 265KF

The Core i5-10400 is quite a bit slower than the Core Ultra 7 265KF on average across 100+ games and it's also a slightly worse value for money, as it's only $109.99 cheaper!

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CPU

$139.00View CPUAll CPUs

CPU

$248.99View CPUAll CPUs

Up to 83% faster on average across 100+ games
Is 4 years and 7 months newer
Available for $248.99

FPS Comparison Across Popular Games

Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.

Resolution

Quality

Paired GPU

View Compare All GPUs

Select GPU

Dota 22013

Core i5-10400

193FPS

Core Ultra 7 265KF

310FPS

League of Legends2009

226FPS

423FPS

545FPS

756FPS

Valorant2020

Core i5-10400

599FPS

Core Ultra 7 265KF

804FPS

Grand Theft Auto V2013

Core i5-10400

206FPS

Core Ultra 7 265KF

225FPS

Minecraft2011

Core i5-10400

627FPS

Core Ultra 7 265KF

842FPS

Apex Legends2019

Core i5-10400

366FPS

Core Ultra 7 265KF

392FPS

Fortnite2017

Core i5-10400

327FPS

Core Ultra 7 265KF

320FPS

Specs & Benchmark Comparison

Side-by-side specs, synthetic benchmarks, and key hardware differences.

Scorehelp

Core i5-10400

31%

Core Ultra 7 265KF

72%

Core Ultra 7 265KF ranks 41 points higher.

Coreshelp

Core i5-10400

Core Ultra 7 265KF

Core Ultra 7 265KF has 14 more cores.

Threadshelp

Core i5-10400

Core Ultra 7 265KF

Core Ultra 7 265KF has 8 more threads.

L3 Cachehelp

Core i5-10400

12 MB

Core Ultra 7 265KF

30 MB

Core Ultra 7 265KF has 18 MB more L3 cache.

Base Frequencyhelp

Core i5-10400

2.9 GHz

Core Ultra 7 265KF

3.9 GHz

Core Ultra 7 265KF has a 34% higher base clock.

Turbo Frequencyhelp

Core i5-10400

4.3 GHz

Core Ultra 7 265KF

5.5 GHz

Core Ultra 7 265KF boosts 28% higher.

TDPhelp

Core i5-10400

65W

Core Ultra 7 265KF

125W

Core i5-10400 draws 60W less power.

Pricehelp

Core i5-10400

$139.00

Core Ultra 7 265KF

$248.99

Core i5-10400 is $109.99 cheaper.

Core i5-10400Core Ultra 7 265KF

LGA1200

Sockethelp

LGA1851

Comet Lake

Codenamehelp

Arrow Lake-S

Desktop

Segmenthelp

Desktop

UHD Graphics 630

Integrated GPUhelp

No Integrated Graphics

2666 MHz (DDR4)

RAMhelp

6400 MHz (DDR5)

Not Overclockable

Overclock Supporthelp

Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i5-10400 or Core Ultra 7 265KF?expand_more

The Core Ultra 7 265KF. It's 132% faster than the Core i5-10400 on average across 100+ games, scoring 72/100 vs 31/100 in our gaming rating.

speedHow much faster is Core Ultra 7 265KF than Core i5-10400?expand_more

132% 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 i5-10400 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 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 i5-10400 and Core Ultra 7 265KF?expand_more

Performance: Core i5-10400 scores 31/100, Core Ultra 7 265KF 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 Core i5-10400 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 Core i5-10400 or Core Ultra 7 265KF?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.