Intel Core i9 12900KF vs Intel Core i5 6600K

VS

Intel Core i9 12900KF Intel Core i5 6600K

We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz and Intel Core i5 6600K with 4 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900KF 's Advantages

Released 6 years and 2 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)

Larger L3 cache size (30MB vs 6MB)

More modern manufacturing process (10nm vs 14nm)

Intel Core i5 6600K 's Advantages

Integrated graphics card

Higher base frequency (3.5GHz vs 3.2GHz)

Lower TDP (91W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900KF +94%

2028

Intel Core i5 6600K

1043

Cinebench R23 Multi Core

Intel Core i9 12900KF +588%

27422

Intel Core i5 6600K

3982

Geekbench 6 Single Core

Intel Core i9 12900KF +104%

2686

Intel Core i5 6600K

1314

Geekbench 6 Multi Core

Intel Core i9 12900KF +326%

16130

Intel Core i5 6600K

3782

Blender

Intel Core i9 12900KF +445%

382

Intel Core i5 6600K

70

Geekbench 5 Single Core

Intel Core i9 12900KF +75%

1970

Intel Core i5 6600K

1125

Geekbench 5 Multi Core

Intel Core i9 12900KF +362%

17469

Intel Core i5 6600K

3775

Passmark CPU Single Core

Intel Core i9 12900KF +79%

4167

Intel Core i5 6600K

2320

Passmark CPU Multi Core

Intel Core i9 12900KF +554%

41190

Intel Core i5 6600K

6289

Intel Core i9 12900KF

VS

Intel Core i5 6600K

General Parameters

Oct 2021

Release Date

Aug 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Skylake

i9-12900KF

Processor Number

i5-6600K

LGA-1700

Socket

LGA-1151

No

Integrated Graphics

HD Graphics 530

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-1151

125 W

Power Consumption

91 W

241 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

-

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

4

3.2 GHz

Performance Core Base Frequency

3.5 GHz

5.1 GHz

Performance Core Turbo Frequency

3.9 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

3.9 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

4

24

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

14 MB shared

L2 Cache

256 K per core

30 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

34.1 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Max Dynamic Frequency

1150 MHz

Miscellaneous

Intel Core i9 12900KF

Official Website

Intel Core i5 6600K

5.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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