Intel Core i5 6600K vs Intel Core i5 9600K

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We compared two desktop CPUs: Intel Core i5 6600K with 4 cores 3.5GHz and Intel Core i5 9600K with 6 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 6600K's Advantages

Lower TDP (91W vs 95W)

Intel Core i5 9600K's Advantages

Released 3 years and 2 months late

Higher specification of memory (DDR4-2666 vs DDR4-2133)

Larger memory bandwidth (41.6GB/s vs 34.1GB/s)

Higher base frequency (3.7GHz vs 3.5GHz)

Larger L3 cache size (9MB vs 6MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6600K

1031

Intel Core i5 9600K +15%

1187

Cinebench R23 Multi Core

Intel Core i5 6600K

3953

Intel Core i5 9600K +66%

6596

Geekbench 6 Single Core

Intel Core i5 6600K

1314

Intel Core i5 9600K +19%

1566

Geekbench 6 Multi Core

Intel Core i5 6600K

3782

Intel Core i5 9600K +67%

6338

Blender

Intel Core i5 6600K

70

Intel Core i5 9600K +45%

102

Geekbench 5 Single Core

Intel Core i5 6600K

1125

Intel Core i5 9600K +6%

1198

Geekbench 5 Multi Core

Intel Core i5 6600K

3775

Intel Core i5 9600K +49%

5650

Passmark CPU Single Core

Intel Core i5 6600K

2320

Intel Core i5 9600K +18%

2738

Passmark CPU Multi Core

Intel Core i5 6600K

6289

Intel Core i5 9600K +70%

10716

Intel Core i5 6600K

VS

Intel Core i5 9600K

General Parameters

Aug 2015

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i5-6600K

Processor Number

i5-9600K

LGA-1151

Socket

LGA-1151

HD Graphics 530

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

91 W

Power Consumption

95 W

-

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

6

4

Performance Core Threads

6

3.5 GHz

Performance Core Base Frequency

3.7 GHz

3.9 GHz

Performance Core Turbo Frequency

4.6 GHz

4

Total Core Count

6

4

Total Thread Count

6

100MHz

Bus Frequency

100MHz

35x

Multiplier

37x

64K per core

L1 Cache

64K per core

256K per core

L2 Cache

256K per core

6MB shared

L3 Cache

9MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR4-2666

64GB

Max Memory Size

128GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

-

GPU Base Frequency

350 MHz

1150 MHz

GPU Max Dynamic Frequency

1150 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i5 6600K

Official Website

Intel Core i5 9600K

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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