Intel Core i7 6850K vs Intel Core i5 8400

VS

Intel Core i7 6850K

Intel Core i5 8400

We compared two desktop CPUs: Intel Core i7 6850K with 6 cores 3.6GHz and Intel Core i5 8400 with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6850K 's Advantages

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

Higher base frequency (3.6GHz vs 2.8GHz)

Larger L3 cache size (15MB vs 9MB)

Intel Core i5 8400 's Advantages

Released 1 years and 5 months late

Integrated graphics card

Higher specification of memory (2666 vs 2133)

Lower TDP (65W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6850K

979

Intel Core i5 8400 +4%

1026

Cinebench R23 Multi Core

Intel Core i7 6850K +25%

7282

Intel Core i5 8400

5798

Geekbench 6 Single Core

Intel Core i7 6850K

986

Intel Core i5 8400 +31%

1298

Geekbench 6 Multi Core

Intel Core i7 6850K

3877

Intel Core i5 8400 +20%

4677

Blender

Intel Core i7 6850K

81

Intel Core i5 8400 +2%

83

Geekbench 5 Single Core

Intel Core i7 6850K

988

Intel Core i5 8400 +4%

1032

Geekbench 5 Multi Core

Intel Core i7 6850K +27%

5881

Intel Core i5 8400

4611

Passmark CPU Single Core

Intel Core i7 6850K

2409

Intel Core i5 8400

2387

Passmark CPU Multi Core

Intel Core i7 6850K +23%

11382

Intel Core i5 8400

9214

Intel Core i7 6850K

VS

Intel Core i5 8400

General Parameters

May 2016

Release Date

Oct 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Coffee Lake

i7-6850K

Processor Number

i5-8400

LGA-2011-3

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

65 W

-

Peak Operating Temperature

100 °C

CPU Performance

6

Performance Cores

6

12

Performance Core Threads

6

3.6 GHz

Performance Core Base Frequency

2.8 GHz

3.8 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

6

12

Total Thread Count

6

-

Bus Frequency

100 MHz

36x

Multiplier

28x

32 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

15 MB shared

L3 Cache

9 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2133

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1050 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i7 6850K

Official Website

Intel Core i5 8400

3.0

PCIe Version

3.0

40

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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