Intel Core i7 7800X vs Intel Core i7 6950X

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We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz 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 7800X 's Advantages

Released 1 years late

Higher specification of memory (DDR4-2400 vs DDR4-2133)

Larger memory bandwidth (79.47GB/s vs 76.8GB/s)

Higher base frequency (3.5GHz vs 3.0GHz)

Intel Core i7 6950X 's Advantages

Larger L3 cache size (25MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7800X

963

Intel Core i7 6950X +11%

1069

Cinebench R23 Multi Core

Intel Core i7 7800X

7269

Intel Core i7 6950X +34%

9743

Geekbench 6 Single Core

Intel Core i7 7800X +33%

1362

Intel Core i7 6950X

1020

Geekbench 6 Multi Core

Intel Core i7 7800X

6082

Intel Core i7 6950X +10%

6726

Geekbench 5 Single Core

Intel Core i7 7800X +10%

1069

Intel Core i7 6950X

968

Geekbench 5 Multi Core

Intel Core i7 7800X

6578

Intel Core i7 6950X +40%

9253

Passmark CPU Single Core

Intel Core i7 7800X +3%

2409

Intel Core i7 6950X

2330

Passmark CPU Multi Core

Intel Core i7 7800X

12894

Intel Core i7 6950X +34%

17362

Intel Core i7 7800X

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Intel Core i7 6950X

General Parameters

May 2017

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Broadwell E

i7-7800X

Processor Number

i7-6950X

LGA-2066

Socket

LGA-2011-3

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-2011-3

140 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

-

CPU Performance

6

Performance Cores

10

12

Performance Core Threads

20

3.5 GHz

Performance Core Base Frequency

3.0 GHz

4 GHz

Performance Core Turbo Frequency

3.5 GHz

6

Total Core Count

10

12

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

30x

64 K per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

25 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2400

Memory Types

DDR4-2133

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

79.47 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7800X

Official Website

Intel Core i7 6950X

3.0

PCIe Version

3.0

28

PCIe Lanes

40

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

-

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