Intel Core i7 6800K vs Intel Core i5 6600K

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We compared two desktop CPUs: Intel Core i7 6800K with 6 cores 3.4GHz 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 i7 6800K 's Advantages

Released 9 months late

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

Larger L3 cache size (15MB vs 6MB)

Intel Core i5 6600K 's Advantages

Integrated graphics card

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

Higher base frequency (3.5GHz vs 3.4GHz)

Lower TDP (91W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6800K

951

Intel Core i5 6600K +9%

1043

Cinebench R23 Multi Core

Intel Core i7 6800K +66%

6632

Intel Core i5 6600K

3982

Geekbench 6 Single Core

Intel Core i7 6800K +3%

1363

Intel Core i5 6600K

1314

Geekbench 6 Multi Core

Intel Core i7 6800K +71%

6495

Intel Core i5 6600K

3782

Blender

Intel Core i7 6800K +38%

97

Intel Core i5 6600K

70

Geekbench 5 Single Core

Intel Core i7 6800K

922

Intel Core i5 6600K +22%

1125

Geekbench 5 Multi Core

Intel Core i7 6800K +46%

5537

Intel Core i5 6600K

3775

Passmark CPU Single Core

Intel Core i7 6800K

2269

Intel Core i5 6600K +2%

2320

Passmark CPU Multi Core

Intel Core i7 6800K +70%

10740

Intel Core i5 6600K

6289

Intel Core i7 6800K

VS

Intel Core i5 6600K

General Parameters

May 2016

Release Date

Aug 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Skylake

i7-6800K

Processor Number

i5-6600K

LGA-2011-3

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 530

Package

14 nm

Manufacturing Process

14 nm

LGA-2011-3

Socket

LGA-1151

140 W

Power Consumption

91 W

CPU Performance

6

Performance Cores

4

12

Performance Core Threads

4

3.4 GHz

Performance Core Base Frequency

3.5 GHz

3.6 GHz

Performance Core Turbo Frequency

3.9 GHz

6

Total Core Count

4

12

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

34x

Multiplier

35x

32 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

15 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2133

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

34.1 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Max Dynamic Frequency

1150 MHz

Miscellaneous

Intel Core i7 6800K

Official Website

Intel Core i5 6600K

3.0

PCIe Version

3.0

28

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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