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i3-10100 vs i5-9600K

Full specification comparison between the Intel Core i3-10100 (2020) and the Intel Core i5-9600K (2018).

i3-10100

Intel Entry-level

50 / perf index
  • Lower power draw (65 W vs 95 W)
  • Cheaper at launch ($122 vs $262)
  • Newer (2020 vs 2018)
  • Better performance per dollar

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Winner

i5-9600K

Intel Entry-level

52 / perf index
  • ~4% faster on average
  • More cores (6 vs 4)
  • Larger L3 cache (9 MB vs 6 MB)
  • Higher boost clock (4.6 vs 4.3 GHz)

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Verdict: The i5-9600K is around 4% faster than the i3-10100 on average — a modest edge you may notice in demanding titles, but not a generational leap.

Note they use different platforms (LGA1151 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
i5-9600K
52

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

Specs side by side

Specificationi3-10100i5-9600K
FamilyComet LakeCoffee Lake Refresh
SocketLGA1200LGA1151
Release year20202018
Est. gaming perf.
50
52
Est. multi-core perf.
14
17
Est. single-core perf.
49
51
Cores
4
6
Threads
8
6
Max boost clock
4.3 GHz
4.6 GHz
L3 cache
6 MB
9 MB
TDP (base)
65 W
95 W
Integrated graphicsUHD 630UHD 630
Launch MSRP
$122
$262

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

Frequently asked questions

Is the i5-9600K better than the i3-10100?

Yes — based on aggregated benchmark data, the i5-9600K is about 4% faster than the i3-10100 on average.

How much faster is the i5-9600K than the i3-10100?

Roughly 4% 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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