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i3-10100 vs Ultra 7 265K

Full specification comparison between the Intel Core i3-10100 (2020) and the Intel Core Ultra 7 265K (2024).

i3-10100

Intel Entry-level

50 / perf index
  • Lower power draw (65 W vs 125 W)
  • Cheaper at launch ($122 vs $394)
  • Better performance per dollar

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Winner

Ultra 7 265K

Intel High-end

82 / perf index
  • ~64% faster on average
  • More cores (20 vs 4)
  • Larger L3 cache (30 MB vs 6 MB)
  • Higher boost clock (5.5 vs 4.3 GHz)
  • Newer (2024 vs 2020)

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Verdict: The Ultra 7 265K is roughly 64% faster than the i3-10100 on average — a clear, noticeable performance advantage.

Note they use different platforms (LGA1851 vs LGA1200), so this is a motherboard decision too, not just a CPU swap.

At launch pricing, the i3-10100 offers more performance per dollar, and the i3-10100 is the more power-efficient chip.

Estimated performance

i3-10100
50
Ultra 7 265K
82

Estimated average 1080p gaming performance compiled from publicly available benchmark data. Individual games vary.

Specs side by side

Specificationi3-10100Ultra 7 265K
FamilyComet LakeArrow Lake
SocketLGA1200LGA1851
Release year20202024
Est. gaming perf.
50
82
Est. multi-core perf.
14
86
Est. single-core perf.
49
96
Cores
4
20
Threads
8
20
Max boost clock
4.3 GHz
5.5 GHz
L3 cache
6 MB
30 MB
TDP (base)
65 W
125 W
Integrated graphicsUHD 630Intel Graphics
Launch MSRP
$122
$394

Green bars mark the better value in each row (for power and price, lower wins).

Frequently asked questions

Is the Ultra 7 265K better than the i3-10100?

Yes — based on aggregated benchmark data, the Ultra 7 265K is about 64% faster than the i3-10100 on average.

How much faster is the Ultra 7 265K than the i3-10100?

Roughly 64% on average in gaming workloads. The gap varies by title, resolution and settings.

Which processor is better value?

Comparing launch prices, the i3-10100 delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.

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