Intel Core i7 6800K vs Intel Core i9 9900KF

VS

Intel Core i7 6800K Intel Core i9 9900KF

We compared two desktop CPUs: Intel Core i7 6800K with 6 cores 3.4GHz and Intel Core i9 9900KF with 8 cores 3.6GHz . 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

Larger memory bandwidth (76.8GB/s vs 41.6GB/s)

Intel Core i9 9900KF 's Advantages

Released 2 years and 8 months late

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

Higher base frequency (3.6GHz vs 3.4GHz)

Larger L3 cache size (16MB vs 15MB)

Lower TDP (95W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6800K

951

Intel Core i9 9900KF +32%

1260

Cinebench R23 Multi Core

Intel Core i7 6800K

6632

Intel Core i9 9900KF +90%

12606

Geekbench 6 Single Core

Intel Core i7 6800K

1363

Intel Core i9 9900KF +18%

1612

Geekbench 6 Multi Core

Intel Core i7 6800K

6495

Intel Core i9 9900KF +17%

7648

Blender

Intel Core i7 6800K

97

Intel Core i9 9900KF +93%

188

Geekbench 5 Single Core

Intel Core i7 6800K

922

Intel Core i9 9900KF +40%

1300

Geekbench 5 Multi Core

Intel Core i7 6800K

5537

Intel Core i9 9900KF +59%

8856

Passmark CPU Single Core

Intel Core i7 6800K

2269

Intel Core i9 9900KF +29%

2945

Passmark CPU Multi Core

Intel Core i7 6800K

10740

Intel Core i9 9900KF +71%

18462

Intel Core i7 6800K

VS

Intel Core i9 9900KF

General Parameters

May 2016

Release Date

Jan 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Coffee Lake

i7-6800K

Processor Number

i9-9900KF

LGA-2011-3

Socket

LGA-1151

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-2011-3

Socket

LGA-1151

140 W

Power Consumption

95 W

-

Peak Operating Temperature

100 °C

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

3.4 GHz

Performance Core Base Frequency

3.6 GHz

Performance Core Turbo Frequency

5 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

34x

Multiplier

36x

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

16 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

2

76.8 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 6800K

Official Website

Intel Core i9 9900KF

3.0

PCIe Version

3.0

28

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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