Intel Core i5 8400 vs Intel Core i7 12700KF

VS

Intel Core i5 8400 Intel Core i7 12700KF

We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and Intel Core i7 12700KF with 12 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400 's Advantages

Integrated graphics card

Lower TDP (65W vs 125W)

Intel Core i7 12700KF 's Advantages

Released 4 years late

Higher specification of memory (DDR5-4800 vs DDR4-2666)

Larger memory bandwidth (76.8GB/s vs 41.6GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.6GHz vs 2.8GHz)

Larger L3 cache size (25MB vs 9MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 8400

1038

Intel Core i7 12700KF +87%

1944

Cinebench R23 Multi Core

Intel Core i5 8400

5893

Intel Core i7 12700KF +286%

22801

Geekbench 6 Single Core

Intel Core i5 8400

1298

Intel Core i7 12700KF +114%

2790

Geekbench 6 Multi Core

Intel Core i5 8400

4677

Intel Core i7 12700KF +228%

15374

Blender

Intel Core i5 8400

81

Intel Core i7 12700KF +327%

346

Geekbench 5 Single Core

Intel Core i5 8400

1032

Intel Core i7 12700KF +96%

2031

Geekbench 5 Multi Core

Intel Core i5 8400

4611

Intel Core i7 12700KF +224%

14961

Passmark CPU Single Core

Intel Core i5 8400

2387

Intel Core i7 12700KF +68%

4020

Passmark CPU Multi Core

Intel Core i5 8400

9214

Intel Core i7 12700KF +273%

34419

Intel Core i5 8400

VS

Intel Core i7 12700KF

General Parameters

Oct 2017

Release Date

Oct 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Alder Lake

i5-8400

Processor Number

i7-12700KF

LGA-1151

Socket

LGA-1700

UHD Graphics 630

Integrated Graphics

No

Package

14 nm

Manufacturing Process

10 nm

LGA-1151

Socket

LGA-1700

65 W

Power Consumption

125 W

-

Max Turbo Power Consumption

190 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

6

Performance Cores

8

6

Performance Core Threads

16

2.8 GHz

Performance Core Base Frequency

3.6 GHz

4 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

4

-

Efficiency Core Base Frequency

2.7 GHz

-

Efficiency Core Turbo Frequency

3.8 GHz

6

Total Core Count

12

6

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

28x

Multiplier

36x

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

12 MB shared

9 MB shared

L3 Cache

25 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR5-4800, DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1050 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 8400

Official Website

Intel Core i7 12700KF

3.0

PCIe Version

5.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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