How do the scores compare?

Intel Core i3-12100F scores 41/100 overall; Intel Core i5-8400 scores 29/100. Intel Core i3-12100F wins 16 individual spec rows, Intel Core i5-8400 wins 2.

What are the main differences between the Intel Core i3-12100F and the Intel Core i5-8400?

Intel Core i3-12100F advantages: Stronger Single-core score: 55 vs 31; Stronger Multi-core score: 34 vs 29; Stronger gaming score: 36 vs 27; 233% higher L2 cache: 5 MB vs 2 MB; 100% higher Max memory: 128 GB vs 64 GB; Lower launch price: $97 vs $182. Intel Core i5-8400 advantages: 50% higher cores: 6 vs 4; 50% higher Performance cores: 6 vs 4.

Which is cheaper: Intel Core i3-12100F or Intel Core i5-8400?

Intel Core i3-12100F launched cheaper at $97, versus $182 for the Intel Core i5-8400.

Intel Core i3-12100F vs Intel Core i5-8400

WINNER

Intel

Intel Core i3-12100F

$97

Intel

Intel Core i5-8400

$182

55.3Single-core31.1

34.2Multi-core28.6

36Gaming27.2

16 spec wins — Intel Core i3-12100F2 spec wins — Intel Core i5-8400

InnoReviews verdict

Intel Core i3-12100F wins this desktop processor face-off, 41 to 29, pulling ahead mainly in Single-core (+24) and gaming (+9). Intel Core i5-8400 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 i3-12100F

Stronger Single-core score: 55 vs 31
Stronger Multi-core score: 34 vs 29
Stronger gaming score: 36 vs 27
233% higher L2 cache: 5 MB vs 2 MB
100% higher Max memory: 128 GB vs 64 GB
Lower launch price: $97 vs $182

Reasons to pick the Intel Core i5-8400

50% higher cores: 6 vs 4
50% higher Performance cores: 6 vs 4

General

General comparison: Intel Core i3-12100F versus Intel Core i5-8400
Spec	Intel Core i3-12100F	Intel Core i5-8400
Announced	2022	2017
Socket	LGA1700	LGA1151-v2
Process	10 nm+29%	14 nm
Base TDP	58 W+11%	65 W
Max turbo power	89 W	—
Unlocked multiplier	No	No
Cooler included	Yes	Yes

Cores & Clocks

Cores & Clocks comparison: Intel Core i3-12100F versus Intel Core i5-8400
Spec	Intel Core i3-12100F	Intel Core i5-8400
Cores	4	6+50%
Performance cores	4	6+50%
Efficiency cores	0	0
Threads	8+33%	6
Base clock	3.3 GHz+18%	2.8 GHz
Boost clock	4.3 GHz+7%	4 GHz
L2 cache	5 MB+233%	2 MB
L3 cache	12 MB+33%	9 MB

Integrated GPU

Integrated GPU comparison: Intel Core i3-12100F versus Intel Core i5-8400
Spec	Intel Core i3-12100F	Intel Core i5-8400
iGPU	—	Intel UHD Graphics 630
iGPU clock	—	1,050 MHz

Memory

Memory comparison: Intel Core i3-12100F versus Intel Core i5-8400
Spec	Intel Core i3-12100F	Intel Core i5-8400
Memory support	DDR5-4800 / DDR4-3200	DDR4-2666
Max memory	128 GB+100%	64 GB
Memory channels	2	2

Platform

Platform comparison: Intel Core i3-12100F versus Intel Core i5-8400
Spec	Intel Core i3-12100F	Intel Core i5-8400
PCIe version	5+67%	3
CPU PCIe lanes	20+25%	16

Benchmarks

Benchmarks comparison: Intel Core i3-12100F versus Intel Core i5-8400
Spec	Intel Core i3-12100F	Intel Core i5-8400
Geekbench 6 (single)	2,050+50%Top 36%	1,370Top 75%
Geekbench 6 (multi)	6,700+37%Top 60%	4,900Top 78%
Cinebench R23 (single)	1,680+46%Top 35%	1,150Top 75%
Cinebench R23 (multi)	8,700+36%Top 66%	6,400Top 77%
PassMark	14,100+53%Top 65%	9,200Top 80%

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