Intel Core i7 6700K vs Intel Core i7 6950X

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We compared two desktop CPUs: Intel Core i7 6700K with 4 cores 4.0GHz and Intel Core i7 6950X with 10 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6700K 's Advantages

Integrated graphics card

Higher base frequency (4.0GHz vs 3.0GHz)

Lower TDP (91W vs 140W)

Intel Core i7 6950X '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 (25MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6700K +6%

1136

Intel Core i7 6950X

1069

Cinebench R23 Multi Core

Intel Core i7 6700K

5661

Intel Core i7 6950X +72%

9743

Geekbench 6 Single Core

Intel Core i7 6700K +51%

1544

Intel Core i7 6950X

1020

Geekbench 6 Multi Core

Intel Core i7 6700K

5265

Intel Core i7 6950X +27%

6726

Geekbench 5 Single Core

Intel Core i7 6700K +12%

1087

Intel Core i7 6950X

968

Geekbench 5 Multi Core

Intel Core i7 6700K

4271

Intel Core i7 6950X +116%

9253

Passmark CPU Single Core

Intel Core i7 6700K +7%

2510

Intel Core i7 6950X

2330

Passmark CPU Multi Core

Intel Core i7 6700K

8940

Intel Core i7 6950X +94%

17362

Intel Core i7 6700K

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Intel Core i7 6950X

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

i7-6700K

Processor Number

i7-6950X

LGA-1151

Socket

LGA-2011-3

HD Graphics 530

Integrated Graphics

N/A

Package

1.75 billions

Transistor Count

-

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-2011-3

91 W

Power Consumption

140 W

CPU Performance

4

Performance Cores

10

8

Performance Core Threads

20

4.0 GHz

Performance Core Base Frequency

3.0 GHz

4.2 GHz

Performance Core Turbo Frequency

3.5 GHz

4

Total Core Count

10

8

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

40x

Multiplier

30x

64 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

25 MB shared

Yes

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 i7 6700K

Official Website

Intel Core i7 6950X

3.0

PCIe Version

3.0

16

PCIe Lanes

40

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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