Intel Core i5 6400 vs Intel Core i5 12600KF

VS

Intel Core i5 6400 Intel Core i5 12600KF

We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core i5 12600KF with 10 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages

Integrated graphics card

Lower TDP (65W vs 125W)

Intel Core i5 12600KF 's Advantages

Released 6 years and 1 months late

Higher specification of memory (DDR5-4800 vs DDR4-2133)

Larger memory bandwidth (76.8GB/s vs 34.1GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.7GHz vs 2.7GHz)

Larger L3 cache size (20MB vs 6MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6400

898

Intel Core i5 12600KF +112%

1908

Cinebench R23 Multi Core

Intel Core i5 6400

3214

Intel Core i5 12600KF +449%

17648

Geekbench 6 Single Core

Intel Core i5 6400

1143

Intel Core i5 12600KF +127%

2597

Geekbench 6 Multi Core

Intel Core i5 6400

3312

Intel Core i5 12600KF +290%

12937

Blender

Intel Core i5 6400

41

Intel Core i5 12600KF +536%

261

Geekbench 5 Single Core

Intel Core i5 6400

853

Intel Core i5 12600KF +115%

1839

Geekbench 5 Multi Core

Intel Core i5 6400

2805

Intel Core i5 12600KF +314%

11626

Passmark CPU Single Core

Intel Core i5 6400

1961

Intel Core i5 12600KF +100%

3934

Passmark CPU Multi Core

Intel Core i5 6400

5151

Intel Core i5 12600KF +432%

27408

Intel Core i5 6400

VS

Intel Core i5 12600KF

General Parameters

Sep 2015

Release Date

Oct 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Alder Lake

i5-6400

Processor Number

i5-12600KF

LGA-1151

Socket

LGA-1700

HD Graphics 530

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

150 W

-

Peak Operating Temperature

100°C

CPU Performance

4

Performance Cores

6

4

Performance Core Threads

12

2.7 GHz

Performance Core Base Frequency

3.7 GHz

3.3 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

4

-

Efficiency Core Base Frequency

2.8 GHz

-

Efficiency Core Turbo Frequency

3.6 GHz

4

Total Core Count

10

4

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

37x

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

9728 K shared

6 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR5-4800, DDR4-3200

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

950 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i5 6400

Official Website

Intel Core i5 12600KF

3.0

PCIe Version

5.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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