Intel Core i7 6800K vs Intel Core i9 9920X

VS

We compared two desktop CPUs: Intel Core i7 6800K with 6 cores 3.4GHz and Intel Core i9 9920X with 12 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 6800K 's Advantages

Lower TDP (140W vs 165W)

Intel Core i9 9920X '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)

Higher base frequency (3.5GHz vs 3.4GHz)

Larger L3 cache size (19MB vs 15MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6800K

951

Intel Core i9 9920X +11%

1062

Cinebench R23 Multi Core

Intel Core i7 6800K

6632

Intel Core i9 9920X +122%

14734

Geekbench 6 Single Core

Intel Core i7 6800K

1363

Intel Core i9 9920X +1%

1389

Geekbench 6 Multi Core

Intel Core i7 6800K +114%

6495

Intel Core i9 9920X

3027

Geekbench 5 Single Core

Intel Core i7 6800K

922

Intel Core i9 9920X +27%

1171

Geekbench 5 Multi Core

Intel Core i7 6800K

5537

Intel Core i9 9920X +125%

12494

Passmark CPU Single Core

Intel Core i7 6800K

2269

Intel Core i9 9920X +14%

2608

Passmark CPU Multi Core

Intel Core i7 6800K

10740

Intel Core i9 9920X +133%

25060

Intel Core i7 6800K

VS

Intel Core i9 9920X

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

i7-6800K

Processor Number

i9-9920X

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

12

Performance Core Threads

24

3.4 GHz

Performance Core Base Frequency

3.5 GHz

3.6 GHz

Performance Core Turbo Frequency

4.4 GHz

6

Total Core Count

12

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

34x

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

19 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 6800K

Official Website

Intel Core i9 9920X

3.0

PCIe Version

3.0

28

PCIe Lanes

44

-

Extended Instruction Set

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

Related CPU Comparisons

1

Intel Core i7 6800K vs Intel Core i7 6700K

2

Intel Core i7 6800K vs Intel Core i9 9900KF

3

Intel Core i7 6800K vs Intel Processor 300

4

Intel Core i7 6800K vs Intel Pentium Gold G5600

5

Intel Core i7 6800K vs Intel Core i5 14500T

6

Intel Core i7 6800K vs Intel Core i9 13900KS

7

Intel Core i7 6800K vs AMD Ryzen 5 8600G

8

Intel Core i5 14600 vs Intel Core i7 6800K

9

Intel Core i7 6800K vs Intel Core Ultra 5 125UL

10

Intel Core i7 6800K vs Intel Core i5 8400T

Related News

1

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

2

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

3

AMD's Latest Breakthrough Technology Could Change the Game in the Future

4

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

5

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

6

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

7

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

8

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

9

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage

10

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation