Intel Core i9 10940X vs Intel Core i7 6800K

VS

Intel Core i9 10940X Intel Core i7 6800K

We compared two desktop CPUs: Intel Core i9 10940X with 14 cores 3.3GHz and Intel Core i7 6800K with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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)

Larger L3 cache size (20MB vs 15MB)

Intel Core i7 6800K 's Advantages

Higher base frequency (3.4GHz vs 3.3GHz)

Lower TDP (140W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 10940X +29%

1234

Intel Core i7 6800K

951

Cinebench R23 Multi Core

Intel Core i9 10940X +143%

16117

Intel Core i7 6800K

6632

Geekbench 6 Single Core

Intel Core i9 10940X +7%

1471

Intel Core i7 6800K

1363

Geekbench 6 Multi Core

Intel Core i9 10940X +73%

11287

Intel Core i7 6800K

6495

Geekbench 5 Single Core

Intel Core i9 10940X +24%

1144

Intel Core i7 6800K

922

Geekbench 5 Multi Core

Intel Core i9 10940X +145%

13573

Intel Core i7 6800K

5537

Passmark CPU Single Core

Intel Core i9 10940X +18%

2686

Intel Core i7 6800K

2269

Passmark CPU Multi Core

Intel Core i9 10940X +159%

27907

Intel Core i7 6800K

10740

Intel Core i9 10940X

VS

Intel Core i7 6800K

General Parameters

Oct 2019

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Cascade Lake

Core Architecture

Broadwell E

i9-10940X

Processor Number

i7-6800K

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

86 °C

Peak Operating Temperature

-

CPU Performance

14

Performance Cores

6

28

Performance Core Threads

12

3.3 GHz

Performance Core Base Frequency

3.4 GHz

4.6 GHz

Performance Core Turbo Frequency

3.6 GHz

14

Total Core Count

6

28

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

34x

64 K per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

15 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2933

Memory Types

DDR4-2133

256 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

93.8 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 10940X

Official Website

Intel Core i7 6800K

3.0

PCIe Version

3.0

48

PCIe Lanes

28

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

Extended Instruction Set

-

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