Intel Core i7 6900K vs Intel Core i9 10940X

VS

Intel Core i7 6900K Intel Core i9 10940X

We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and Intel Core i9 10940X with 14 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6900K 's Advantages

Lower TDP (140W vs 165W)

Intel Core i9 10940X 's Advantages

Released 3 years and 5 months late

Higher specification of memory (DDR4-2933 vs DDR4-2133)

Larger memory bandwidth (93.8GB/s vs 76.8GB/s)

Higher base frequency (3.3GHz vs 3.2GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6900K

1151

Intel Core i9 10940X +7%

1234

Cinebench R23 Multi Core

Intel Core i7 6900K

11326

Intel Core i9 10940X +42%

16117

Geekbench 6 Single Core

Intel Core i7 6900K

1286

Intel Core i9 10940X +14%

1471

Geekbench 6 Multi Core

Intel Core i7 6900K

7470

Intel Core i9 10940X +51%

11287

Geekbench 5 Single Core

Intel Core i7 6900K

961

Intel Core i9 10940X +19%

1144

Geekbench 5 Multi Core

Intel Core i7 6900K

7327

Intel Core i9 10940X +85%

13573

Passmark CPU Single Core

Intel Core i7 6900K

2310

Intel Core i9 10940X +16%

2686

Passmark CPU Multi Core

Intel Core i7 6900K

14258

Intel Core i9 10940X +95%

27907

Intel Core i7 6900K

VS

Intel Core i9 10940X

General Parameters

May 2016

Release Date

Oct 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Cascade Lake

i7-6900K

Processor Number

i9-10940X

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

86 °C

CPU Performance

8

Performance Cores

14

16

Performance Core Threads

28

3.2 GHz

Performance Core Base Frequency

3.3 GHz

3.7 GHz

Performance Core Turbo Frequency

4.6 GHz

8

Total Core Count

14

16

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

20 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133

Memory Types

DDR4-2933

128 GB

Max Memory Size

256 GB

4

Max Memory Channels

4

76.8 GB/s

Max Memory Bandwidth

93.8 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 6900K

Official Website

Intel Core i9 10940X

3.0

PCIe Version

3.0

40

PCIe Lanes

48

-

Extended Instruction Set

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

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