Intel Core i7-12700KF vs Intel Core i5-8400H

Compare Intel 12th Generation Core i7 12 core CPU vs Intel 8th Generation Core i5 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

11376 points
233% significantly better overall score
3416 points

Gaming Score

The raw gaming performance with a fast GPU

13117 points
149% significantly better gaming score
5247 points

Multitasking Score

Performance in workloads using up to 8 cores

10800 points
277% significantly better multitasking score
2859 points

Heavy Workload Score

Performance in workloads using up to 16 cores

10658 points
288% significantly better heavy workload score
2743 points

Free CPU Benchmark

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

304.09 points
661% significantly higher Blender score
39.94 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

13015 points
268% significantly higher Geekbench 5 (multi) score
3529 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

2418 points
86% significantly higher Geekbench 5 (single) score
1294 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

13490 points
270% significantly higher Geekbench 6 (multi) score
3639 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2520 points
96% significantly higher Geekbench 6 (single) score
1282 points

Specifications

Cores

Number of physical processing units

12
200% significantly more cores
4

Threads

Number of logical processing units

20
150% significantly more threads
8

Clock Speed

Base frequency at which the chip operates

3.6 GHz
44% significantly higher clock speed
2.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
19% slightly higher turbo speed
4.2 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

190 W
45 W
322% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
25% slightly more pcie lanes
16

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
100% significantly more supported memory
64 GiB

L1 Cache

Smallest embedded memory, but the fastest

960 KiB
274% significantly more L1 cache
256 KiB

L3 Cache

General memory pool for all cores

25 MiB
108% significantly more L3 cache
12 MiB

Other details

Rank

Ranking in the hardwareDB database

62nd of 1,089
494th of 1,089

Family

The product line

12th Generation Core i7
8th Generation Core i5

Release date

The official date of release of this chip

2021 November
2018 May

Memory Type

The type of memory used by this chip

DDR5-4800
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

-
No

Core i7-12700KF vs Core i5-8400H benchmarks

In our benchmarks, the Core i7-12700KF beats the Core i5-8400H in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-8400H in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i7-12700KF has significantly more cores than the Core i5-8400H. Indeed, the Core i7-12700KF has 12 cores compared to 4 cores found in the Core i5-8400H. It also has more threads than the Core i5-8400H. Our comparison shows that the Core i7-12700KF has a significantly higher clock speed compared to the Core i5-8400H. Also, the Core i7-12700KF has a slightly higher turbo speed. The Core i5-8400H outputs less heat than Core i7-12700KF thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i7-12700KF has more threads than cores. Each physical core is split into multiple threads.

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