Intel Core i5 6600K vs Intel Core i9 12900

VS

Intel Core i5 6600K

Intel Core i9 12900

We compared two desktop CPUs: Intel Core i5 6600K with 4 cores 3.5GHz and Intel Core i9 12900 with 16 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6600K 's Advantages

Integrated graphics card

Higher base frequency (3.5GHz vs 2.4GHz)

Intel Core i9 12900 's Advantages

Released 6 years and 5 months late

Higher specification of memory (4800 vs 2133)

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

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (30MB vs 6MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (65W vs 91W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6600K

1040

Intel Core i9 12900 +91%

1988

Cinebench R23 Multi Core

Intel Core i5 6600K

3963

Intel Core i9 12900 +567%

26454

Geekbench 6 Single Core

Intel Core i5 6600K

1486

Intel Core i9 12900 +83%

2727

Geekbench 6 Multi Core

Intel Core i5 6600K

4406

Intel Core i9 12900 +204%

13396

Intel Core i5 6600K

VS

Intel Core i9 12900

General Parameters

Aug 2015

Release Date

Jan 2022

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Skylake

Core Architecture

Alder Lake-S

i5-6600K

Processor Number

-

LGA-1151

Socket

Intel Socket 1700

HD Graphics 530

Integrated Graphics

UHD Graphics 770

-

Generation

Core i9 (Alder Lake-S)

Package

14 nm

Manufacturing Process

10 nm

91 W

Power Consumption

65 W

-

Peak Operating Temperature

72 °C

-

Foundry

Intel

-

Die Size

215 mm²

CPU Performance

4

Performance Cores

8

4

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

2.4 GHz

3.9 GHz

Performance Core Turbo Frequency

5.1 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1800 MHz

-

Efficiency Core Turbo Frequency

3.8 GHz

4

Total Core Count

16

4

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35

Multiplier

24.0

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

1.25 MB per core

6 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR4-3200, DDR5-4800

64 GB

Max Memory Size

-

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

-

1150 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i5 6600K

Official Website

-

3.0

PCIe Version

5

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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