Intel Core i7 8700K vs Intel Core i7 6700

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We compared two desktop CPUs: Intel Core i7 8700K with 6 cores 3.7GHz and Intel Core i7 6700 with 4 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 8700K 's Advantages

Released 2 years and 1 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 3.4GHz)

Larger L3 cache size (12MB vs 8MB)

Intel Core i7 6700 's Advantages

Lower TDP (65W vs 95W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 8700K +12%

1214

Intel Core i7 6700

1076

Cinebench R23 Multi Core

Intel Core i7 8700K +74%

8765

Intel Core i7 6700

5018

Geekbench 6 Single Core

Intel Core i7 8700K +18%

1475

Intel Core i7 6700

1250

Geekbench 6 Multi Core

Intel Core i7 8700K +72%

6339

Intel Core i7 6700

3667

Blender

Intel Core i7 8700K +84%

153

Intel Core i7 6700

83

Geekbench 5 Single Core

Intel Core i7 8700K +23%

1233

Intel Core i7 6700

1002

Geekbench 5 Multi Core

Intel Core i7 8700K +69%

6632

Intel Core i7 6700

3915

Passmark CPU Single Core

Intel Core i7 8700K +19%

2748

Intel Core i7 6700

2299

Passmark CPU Multi Core

Intel Core i7 8700K +69%

13661

Intel Core i7 6700

8046

Intel Core i7 8700K

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Intel Core i7 6700

General Parameters

Oct 2017

Release Date

Sep 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i7-8700K

Processor Number

i7-6700

LGA-1151

Socket

LGA-1151

UHD Graphics 630

Integrated Graphics

HD Graphics 530

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

95 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

-

CPU Performance

6

Performance Cores

4

12

Performance Core Threads

8

3.7 GHz

Performance Core Base Frequency

3.4 GHz

4.7 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

4

12

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

37x

Multiplier

34x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

34.1 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

350 MHz

GPU Base Frequency

-

1200 MHz

GPU Max Dynamic Frequency

1150 MHz

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 8700K

Official Website

Intel Core i7 6700

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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