Intel Core i5 10400 vs Intel Core i7 6800K

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We compared two desktop CPUs: Intel Core i5 10400 with 6 cores 2.9GHz 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 i5 10400 's Advantages

Released 4 years late

Integrated graphics card

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

Lower TDP (65W vs 140W)

Intel Core i7 6800K 's Advantages

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

Higher base frequency (3.4GHz vs 2.9GHz)

Larger L3 cache size (15MB vs 12MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 10400 +17%

1125

Intel Core i7 6800K

954

Cinebench R23 Multi Core

Intel Core i5 10400 +13%

7582

Intel Core i7 6800K

6695

Geekbench 6 Single Core

Intel Core i5 10400 +2%

1401

Intel Core i7 6800K

1363

Geekbench 6 Multi Core

Intel Core i5 10400

5919

Intel Core i7 6800K +9%

6495

Blender

Intel Core i5 10400 +16%

113

Intel Core i7 6800K

97

Geekbench 5 Single Core

Intel Core i5 10400 +24%

1149

Intel Core i7 6800K

922

Geekbench 5 Multi Core

Intel Core i5 10400 +4%

5766

Intel Core i7 6800K

5537

Passmark CPU Single Core

Intel Core i5 10400 +13%

2569

Intel Core i7 6800K

2269

Passmark CPU Multi Core

Intel Core i5 10400 +13%

12194

Intel Core i7 6800K

10740

Intel Core i5 10400

VS

Intel Core i7 6800K

General Parameters

May 2020

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Comet Lake

Core Architecture

Broadwell E

i5-10400

Processor Number

i7-6800K

LGA-1200

Socket

LGA-2011-3

UHD Graphics 630

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1200

Socket

LGA-2011-3

65 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

-

CPU Performance

6

Performance Cores

6

12

Performance Core Threads

12

2.9 GHz

Performance Core Base Frequency

3.4 GHz

4.3 GHz

Performance Core Turbo Frequency

3.6 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

34x

64 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

15 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2133

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

41.6 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1100 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 10400

Official Website

Intel Core i7 6800K

3.0

PCIe Version

3.0

16

PCIe Lanes

28

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