How do the scores compare?

Intel Core i3-8100 scores 24/100 overall; Intel Core i7-8700K scores 36.4/100. Intel Core i3-8100 wins 2 individual spec rows, Intel Core i7-8700K wins 13.

What are the main differences between the Intel Core i3-8100 and the Intel Core i7-8700K?

Intel Core i3-8100 advantages: 32% lower Base TDP: 65 W vs 95 W; Has Cooler included — the other doesn't; Lower launch price: $117 vs $359. Intel Core i7-8700K advantages: Stronger Single-core score: 37 vs 26; Stronger Multi-core score: 35 vs 24; Stronger gaming score: 39 vs 22; 200% higher threads: 12 vs 4; 142% higher Cinebench R23 (multi): 9,200 vs 3,800.

Which is cheaper: Intel Core i3-8100 or Intel Core i7-8700K?

Intel Core i3-8100 launched cheaper at $117, versus $359 for the Intel Core i7-8700K.

Intel Core i3-8100 vs Intel Core i7-8700K

Intel

Intel Core i3-8100

$117

WINNER

Intel

Intel Core i7-8700K

$359

26.3Single-core37.3

23.7Multi-core34.7

21.9Gaming38.5

2 spec wins — Intel Core i3-810013 spec wins — Intel Core i7-8700K

InnoReviews verdict

Intel Core i7-8700K wins this desktop processor face-off, 36.4 to 24, pulling ahead mainly in gaming (+17) and Multi-core (+11). Intel Core i3-8100 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Intel Core i3-8100

32% lower Base TDP: 65 W vs 95 W
Has Cooler included — the other doesn't
Lower launch price: $117 vs $359

Reasons to pick the Intel Core i7-8700K

Stronger Single-core score: 37 vs 26
Stronger Multi-core score: 35 vs 24
Stronger gaming score: 39 vs 22
200% higher threads: 12 vs 4
142% higher Cinebench R23 (multi): 9,200 vs 3,800

General

General comparison: Intel Core i3-8100 versus Intel Core i7-8700K
Spec	Intel Core i3-8100	Intel Core i7-8700K
Announced	2017	2017
Socket	LGA1151-v2	LGA1151-v2
Process	14 nm	14 nm
Base TDP	65 W+32%	95 W
Unlocked multiplier	No	Yes
Cooler included	Yes	No

Cores & Clocks

Cores & Clocks comparison: Intel Core i3-8100 versus Intel Core i7-8700K
Spec	Intel Core i3-8100	Intel Core i7-8700K
Cores	4	6+50%
Performance cores	4	6+50%
Efficiency cores	0	0
Threads	4	12+200%
Base clock	3.6 GHz	3.7 GHz+3%
Boost clock	3.6 GHz	4.7 GHz+31%
L2 cache	1 MB	2 MB+50%
L3 cache	6 MB	12 MB+100%

Integrated GPU

Integrated GPU comparison: Intel Core i3-8100 versus Intel Core i7-8700K
Spec	Intel Core i3-8100	Intel Core i7-8700K
iGPU	Intel UHD Graphics 630	Intel UHD Graphics 630
iGPU clock	1,100 MHz	1,200 MHz+9%

Memory

Memory comparison: Intel Core i3-8100 versus Intel Core i7-8700K
Spec	Intel Core i3-8100	Intel Core i7-8700K
Memory support	DDR4-2400	DDR4-2666
Max memory	64 GB	64 GB
Memory channels	2	2

Platform

Platform comparison: Intel Core i3-8100 versus Intel Core i7-8700K
Spec	Intel Core i3-8100	Intel Core i7-8700K
PCIe version	3	3
CPU PCIe lanes	16	16

Benchmarks

Benchmarks comparison: Intel Core i3-8100 versus Intel Core i7-8700K
Spec	Intel Core i3-8100	Intel Core i7-8700K
Geekbench 6 (single)	1,200Top 83%	1,560+30%Top 58%
Geekbench 6 (multi)	3,350Top 90%	6,800+103%Top 59%
Cinebench R23 (single)	—	1,270Top 63%
Cinebench R23 (multi)	3,800Top 92%	9,200+142%Top 61%
PassMark	6,100Top 90%	13,900+128%Top 68%

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