Intel Core i9 9920X vs Intel Core i7 6900K

VS

We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz and Intel Core i7 6900K with 8 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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 3.2GHz)

Intel Core i7 6900K 's Advantages

Larger L3 cache size (20MB vs 19MB)

Lower TDP (140W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9920X

1062

Intel Core i7 6900K +8%

1151

Cinebench R23 Multi Core

Intel Core i9 9920X +30%

14734

Intel Core i7 6900K

11326

Geekbench 6 Single Core

Intel Core i9 9920X +8%

1389

Intel Core i7 6900K

1286

Geekbench 6 Multi Core

Intel Core i9 9920X

3027

Intel Core i7 6900K +146%

7470

Geekbench 5 Single Core

Intel Core i9 9920X +21%

1171

Intel Core i7 6900K

961

Geekbench 5 Multi Core

Intel Core i9 9920X +70%

12494

Intel Core i7 6900K

7327

Passmark CPU Single Core

Intel Core i9 9920X +12%

2608

Intel Core i7 6900K

2310

Passmark CPU Multi Core

Intel Core i9 9920X +75%

25060

Intel Core i7 6900K

14258

Intel Core i9 9920X

VS

Intel Core i7 6900K

General Parameters

Oct 2018

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Broadwell E

i9-9920X

Processor Number

i7-6900K

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

165 W

Power Consumption

140 W

92 °C

Peak Operating Temperature

-

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.2 GHz

4.4 GHz

Performance Core Turbo Frequency

3.7 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

19 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2133

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

85 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 9920X

Official Website

Intel Core i7 6900K

3.0

PCIe Version

3.0

44

PCIe Lanes

40

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

Extended Instruction Set

-

Related CPU Comparisons

1

AMD Ryzen 5 5600 vs Intel Core i9 9920X

2

Intel Core i5 12400F vs Intel Core i9 9920X

3

Intel Core i5 14400F vs Intel Core i9 9920X

4

Intel Core i9 10900K vs Intel Core i9 9920X

5

Intel Core i7 13700 vs Intel Core i9 9920X

6

Intel Core i5 12400 vs Intel Core i9 9920X

7

Intel Celeron J3455E vs Intel Core i9 9920X

8

Intel Core i7 6900K vs AMD Ryzen 7 Pro 4750G

9

Intel Core i9 9920X vs AMD Ryzen 5 2600X

10

Intel Core i9 9920X vs Intel Processor 300