Intel Core i5 6600K vs Intel Core i7 6900K

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We compared two desktop CPUs: Intel Core i5 6600K with 4 cores 3.5GHz and Intel Core i7 6900K with 8 cores 3.2GHz . 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 3.2GHz)

Lower TDP (91W vs 140W)

Intel Core i7 6900K 's Advantages

Released 9 months late

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

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

Larger L3 cache size (20MB vs 6MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6600K

1043

Intel Core i7 6900K +10%

1151

Cinebench R23 Multi Core

Intel Core i5 6600K

3982

Intel Core i7 6900K +184%

11326

Geekbench 6 Single Core

Intel Core i5 6600K +2%

1314

Intel Core i7 6900K

1286

Geekbench 6 Multi Core

Intel Core i5 6600K

3782

Intel Core i7 6900K +97%

7470

Blender

Intel Core i5 6600K

70

Intel Core i7 6900K +87%

131

Geekbench 5 Single Core

Intel Core i5 6600K +17%

1125

Intel Core i7 6900K

961

Geekbench 5 Multi Core

Intel Core i5 6600K

3775

Intel Core i7 6900K +94%

7327

Passmark CPU Single Core

Intel Core i5 6600K

2320

Intel Core i7 6900K

2310

Passmark CPU Multi Core

Intel Core i5 6600K

6289

Intel Core i7 6900K +126%

14258

Intel Core i5 6600K

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Intel Core i7 6900K

General Parameters

Aug 2015

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Broadwell E

i5-6600K

Processor Number

i7-6900K

LGA-1151

Socket

LGA-2011-3

HD Graphics 530

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-2011-3

91 W

Power Consumption

140 W

CPU Performance

4

Performance Cores

8

4

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.2 GHz

3.9 GHz

Performance Core Turbo Frequency

3.7 GHz

4

Total Core Count

8

4

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR4-2133

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

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

Intel Core i7 6900K

3.0

PCIe Version

3.0

16

PCIe Lanes

40

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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