How do the scores compare?

There is no overall score comparison yet, because at least one of them still awaits benchmark results. On individual spec rows, Intel Core i5-14400 wins 13 and Intel Core i9-9900K wins 4.

What are the main differences between the Intel Core i5-14400 and the Intel Core i9-9900K?

Intel Core i5-14400 advantages: Stronger multi-core score: 47 vs 41; 375% higher L2 cache: 10 MB vs 2 MB; 67% higher PCIe version: 5 vs 3; 50% higher Max memory: 192 GB vs 128 GB; 35% higher PassMark: 25,033 vs 18,600; Lower launch price: $221 vs $488. Intel Core i9-9900K advantages: 44% higher Base clock: 3.6 GHz vs 2.5 GHz; 33% higher Performance cores: 8 vs 6; Has Unlocked multiplier — the other doesn't.

Which is cheaper: Intel Core i5-14400 or Intel Core i9-9900K?

Intel Core i5-14400 launched cheaper at $221, versus $488 for the Intel Core i9-9900K.

Intel Core i5-14400 vs Intel Core i9-9900K

Intel

Intel Core i5-14400

$221

Intel

Intel Core i9-9900K

$488

—Single-core40.4

47.2Multi-core41.2

50.9Gamingspec-based47.4

13 spec wins — Intel Core i5-144004 spec wins — Intel Core i9-9900K

InnoReviews verdict

No overall winner yet: Intel Core i5-14400 lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.

Which would you pick?

Key differences

Reasons to pick the Intel Core i5-14400

Stronger multi-core score: 47 vs 41
375% higher L2 cache: 10 MB vs 2 MB
67% higher PCIe version: 5 vs 3
50% higher Max memory: 192 GB vs 128 GB
35% higher PassMark: 25,033 vs 18,600
Lower launch price: $221 vs $488

Reasons to pick the Intel Core i9-9900K

44% higher Base clock: 3.6 GHz vs 2.5 GHz
33% higher Performance cores: 8 vs 6
Has Unlocked multiplier — the other doesn't

General

General comparison: Intel Core i5-14400 versus Intel Core i9-9900K
Spec	Intel Core i5-14400	Intel Core i9-9900K
Announced	2024	2018
Socket	LGA1700	LGA1151-v2
Process	10 nm+29%	14 nm
Base TDP	65 W+32%	95 W
Max turbo power	148 W+24%	119 W
Unlocked multiplier	No	Yes
Cooler included	Yes	No

Cores & Clocks

Cores & Clocks comparison: Intel Core i5-14400 versus Intel Core i9-9900K
Spec	Intel Core i5-14400	Intel Core i9-9900K
Cores	10+25%	8
Performance cores	6	8+33%
Efficiency cores	4	0
Threads	16	16
Base clock	2.5 GHz	3.6 GHz+44%
Boost clock	4.7 GHz	5 GHz+6%
L2 cache	10 MB+375%	2 MB
L3 cache	20 MB+25%	16 MB

Integrated GPU

Integrated GPU comparison: Intel Core i5-14400 versus Intel Core i9-9900K
Spec	Intel Core i5-14400	Intel Core i9-9900K
iGPU	Intel UHD Graphics 730	Intel UHD Graphics 630
iGPU clock	1,550 MHz	1,200 MHz

Memory

Memory comparison: Intel Core i5-14400 versus Intel Core i9-9900K
Spec	Intel Core i5-14400	Intel Core i9-9900K
Memory support	DDR5-4800 / DDR4-3200	DDR4-2666
Max memory	192 GB+50%	128 GB
Memory channels	2	2

Platform

Platform comparison: Intel Core i5-14400 versus Intel Core i9-9900K
Spec	Intel Core i5-14400	Intel Core i9-9900K
PCIe version	5+67%	3
CPU PCIe lanes	20+25%	16

Benchmarks

Benchmarks comparison: Intel Core i5-14400 versus Intel Core i9-9900K
Spec	Intel Core i5-14400	Intel Core i9-9900K
Geekbench 6 (single)	—	1,720Bottom 42%
Geekbench 6 (multi)	—	8,800Bottom 45%
Cinebench R23 (single)	—	1,280Bottom 32%
Cinebench R23 (multi)	—	12,400Bottom 47%
PassMark	25,033+35%Bottom 47%	18,600Bottom 32%

Related comparisons

Intel Core i5-14400vs Intel Core i5-14400FVS Intel Core i5-14400vs Intel Core i5-13400VS Intel Core i5-14400vs Intel Core i5-13400FVS Intel Core i5-14400vs AMD Ryzen 7 8700GVS Intel Core i9-9900Kvs AMD Ryzen 5 3600XVS Intel Core i9-9900Kvs AMD Ryzen 5 5600GVS Intel Core i9-9900Kvs Intel Core i7-10700KVS Intel Core i9-9900Kvs Intel Core i5-11600KVS

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