Intel Core i5-12400F vs Intel Core i9-12900K

Compare Intel 12th Generation Core i5 6 core CPU vs Intel 12th Generation Core i9 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Price

The cheapest price from our partner retailers

$ 160.88
$ 422.10 significantly less expensive
$ 582.98

Benchmark Score

Overall Score

A combined score of all workloads

71 %
134 %
88% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

98 %
144 %
46% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

63 %
131 %
107% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

61 %
131 %
114% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-12400F and the Core i9-12900K? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench (multi) score

Geekbench (multi) score

Multi threaded benchmark

8130
17308
112% significantly higher Geekbench (multi) score
Geekbench (single) score

Geekbench (single) score

Single threaded benchmark

1636
1987
21% slightly higher Geekbench (single) score
3DMark Physics score

3DMark Physics score

Physics simulation benchmark

9328
18186
94% significantly higher 3DMark Physics score

Specifications

Cores

Number of physical processing units

6
16
166% significantly more cores

Threads

Number of logical processing units

12
24
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.5 GHz
3.2 GHz
28% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.4 GHz
5.2 GHz
18% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
270% significantly lower TDP
241 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
Identical
20

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
Identical
128 GiB

L1 Cache

Smallest embedded memory, but the fastest

480 KiB
1280 KiB
166% significantly more L1 cache

L3 Cache

General memory pool for all cores

18 MiB
30 MiB
66% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

70th of 1,219
7th of 1,219

Family

The product line

12th Generation Core i5
12th Generation Core i9

Release date

The official date of release of this chip

February 2022
November 2021

Memory Type

The type of memory used by this chip

DDR5-4800
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

No
Yes

Supports ECC memory

Does this CPU support error correcting memory

-
Yes

Core i5-12400F vs Core i9-12900K specs and performance

Our benchmark analysis concludes that the Core i9-12900K performs better than the Core i5-12400F. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-12400F in all gaming tests too.

With info from our database, we find that the Core i9-12900K has significantly more cores with 16 cores whereas the Core i5-12400F has 6 cores. It also has more threads than the Core i5-12400F. With our hardware info, we find that the Core i9-12900K has a slightly higher clock speed than the Core i5-12400F. Also, the Core i9-12900K has a slightly higher turbo speed. A Core i5-12400F CPU outputs less heat than a Core i9-12900K CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i5-12400F has more threads than cores. Each physical core is split into multiple threads.

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