Intel Core i7 6850K vs Intel Core i9 9900X

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We compared two desktop CPUs: Intel Core i7 6850K with 6 cores 3.6GHz and Intel Core i9 9900X with 10 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 6850K 's Advantages

Higher base frequency (3.6GHz vs 3.5GHz)

Lower TDP (140W vs 165W)

Intel Core i9 9900X 's Advantages

Released 2 years and 5 months late

Higher specification of memory (DDR4-2666 vs DDR4-2133)

Larger memory bandwidth (85GB/s vs 76.8GB/s)

Larger L3 cache size (20MB vs 15MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6850K

979

Intel Core i9 9900X +20%

1178

Cinebench R23 Multi Core

Intel Core i7 6850K

7282

Intel Core i9 9900X +91%

13952

Geekbench 6 Single Core

Intel Core i7 6850K

986

Intel Core i9 9900X +47%

1455

Geekbench 6 Multi Core

Intel Core i7 6850K

3877

Intel Core i9 9900X +164%

10273

Geekbench 5 Single Core

Intel Core i7 6850K

988

Intel Core i9 9900X +17%

1165

Geekbench 5 Multi Core

Intel Core i7 6850K

5881

Intel Core i9 9900X +82%

10704

Passmark CPU Single Core

Intel Core i7 6850K

2409

Intel Core i9 9900X +6%

2565

Passmark CPU Multi Core

Intel Core i7 6850K

11382

Intel Core i9 9900X +91%

21833

Intel Core i7 6850K

VS

Intel Core i9 9900X

General Parameters

May 2016

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Skylake

i7-6850K

Processor Number

i9-9900X

LGA-2011-3

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-2011-3

Socket

LGA-2066

140 W

Power Consumption

165 W

-

Peak Operating Temperature

92 °C

CPU Performance

6

Performance Cores

10

12

Performance Core Threads

20

3.6 GHz

Performance Core Base Frequency

3.5 GHz

3.8 GHz

Performance Core Turbo Frequency

4.4 GHz

6

Total Core Count

10

12

Total Thread Count

20

-

Bus Frequency

100 MHz

36x

Multiplier

35x

32 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

15 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

76.8 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 6850K

Official Website

Intel Core i9 9900X

3.0

PCIe Version

3.0

40

PCIe Lanes

44

-

Extended Instruction Set

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

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