How do the scores compare?

Intel Core i5-12400F scores 47.3/100 overall; Intel Core i7-8700K scores 36.4/100. Intel Core i5-12400F wins 14 individual spec rows, Intel Core i7-8700K wins 3.

What are the main differences between the Intel Core i5-12400F and the Intel Core i7-8700K?

Intel Core i5-12400F advantages: Stronger Single-core score: 56 vs 37; Stronger Multi-core score: 42 vs 35; Stronger gaming score: 47 vs 39; 400% higher L2 cache: 8 MB vs 2 MB; 100% higher Max memory: 128 GB vs 64 GB; Lower launch price: $167 vs $359. Intel Core i7-8700K advantages: 48% higher Base clock: 3.7 GHz vs 2.5 GHz; Has Unlocked multiplier — the other doesn't.

Which is cheaper: Intel Core i5-12400F or Intel Core i7-8700K?

Intel Core i5-12400F launched cheaper at $167, versus $359 for the Intel Core i7-8700K.

Intel Core i5-12400F vs Intel Core i7-8700K

WINNER

Intel

Intel Core i5-12400F

$167

Intel

Intel Core i7-8700K

$359

56.4Single-core37.3

41.7Multi-core34.7

46.5Gaming38.5

14 spec wins — Intel Core i5-12400F3 spec wins — Intel Core i7-8700K

InnoReviews verdict

Intel Core i5-12400F wins this desktop processor face-off, 47.3 to 36.4, pulling ahead mainly in Single-core (+19) and gaming (+8). Intel Core i7-8700K 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 i5-12400F

Stronger Single-core score: 56 vs 37
Stronger Multi-core score: 42 vs 35
Stronger gaming score: 47 vs 39
400% higher L2 cache: 8 MB vs 2 MB
100% higher Max memory: 128 GB vs 64 GB
Lower launch price: $167 vs $359

Reasons to pick the Intel Core i7-8700K

48% higher Base clock: 3.7 GHz vs 2.5 GHz
Has Unlocked multiplier — the other doesn't

General

General comparison: Intel Core i5-12400F versus Intel Core i7-8700K
Spec	Intel Core i5-12400F	Intel Core i7-8700K
Announced	2022	2017
Socket	LGA1700	LGA1151-v2
Process	10 nm+29%	14 nm
Base TDP	65 W+32%	95 W
Max turbo power	117 W	—
Unlocked multiplier	No	Yes
Cooler included	Yes	No

Cores & Clocks

Cores & Clocks comparison: Intel Core i5-12400F versus Intel Core i7-8700K
Spec	Intel Core i5-12400F	Intel Core i7-8700K
Cores	6	6
Performance cores	6	6
Efficiency cores	0	0
Threads	12	12
Base clock	2.5 GHz	3.7 GHz+48%
Boost clock	4.4 GHz	4.7 GHz+7%
L2 cache	8 MB+400%	2 MB
L3 cache	18 MB+50%	12 MB

Integrated GPU

Integrated GPU comparison: Intel Core i5-12400F versus Intel Core i7-8700K
Spec	Intel Core i5-12400F	Intel Core i7-8700K
iGPU	—	Intel UHD Graphics 630
iGPU clock	—	1,200 MHz

Memory

Memory comparison: Intel Core i5-12400F versus Intel Core i7-8700K
Spec	Intel Core i5-12400F	Intel Core i7-8700K
Memory support	DDR5-4800 / DDR4-3200	DDR4-2666
Max memory	128 GB+100%	64 GB
Memory channels	2	2

Platform

Platform comparison: Intel Core i5-12400F versus Intel Core i7-8700K
Spec	Intel Core i5-12400F	Intel Core i7-8700K
PCIe version	5+67%	3
CPU PCIe lanes	20+25%	16

Benchmarks

Benchmarks comparison: Intel Core i5-12400F versus Intel Core i7-8700K
Spec	Intel Core i5-12400F	Intel Core i7-8700K
Geekbench 6 (single)	2,100+35%Top 32%	1,560Top 58%
Geekbench 6 (multi)	9,400+38%Top 43%	6,800Top 59%
Cinebench R23 (single)	1,690+33%Top 33%	1,270Top 63%
Cinebench R23 (multi)	11,900+29%Top 47%	9,200Top 61%
PassMark	19,700+42%Top 49%	13,900Top 68%

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