Intel Core i7 10700K vs Intel Core i5 6400

VS

We compared two desktop CPUs: Intel Core i7 10700K with 8 cores 3.8GHz and Intel Core i5 6400 with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 10700K 's Advantages

Released 4 years and 8 months late

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

Larger memory bandwidth (45.8GB/s vs 34.1GB/s)

Higher base frequency (3.8GHz vs 2.7GHz)

Larger L3 cache size (16MB vs 6MB)

Intel Core i5 6400 's Advantages

Lower TDP (65W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 10700K +46%

1317

Intel Core i5 6400

898

Cinebench R23 Multi Core

Intel Core i7 10700K +300%

12883

Intel Core i5 6400

3214

Geekbench 6 Single Core

Intel Core i7 10700K +40%

1601

Intel Core i5 6400

1143

Geekbench 6 Multi Core

Intel Core i7 10700K +125%

7472

Intel Core i5 6400

3312

Blender

Intel Core i7 10700K +417%

212

Intel Core i5 6400

41

Geekbench 5 Single Core

Intel Core i7 10700K +61%

1378

Intel Core i5 6400

853

Geekbench 5 Multi Core

Intel Core i7 10700K +207%

8629

Intel Core i5 6400

2805

Passmark CPU Single Core

Intel Core i7 10700K +56%

3060

Intel Core i5 6400

1961

Passmark CPU Multi Core

Intel Core i7 10700K +270%

19100

Intel Core i5 6400

5151

Intel Core i7 10700K

VS

Intel Core i5 6400

General Parameters

May 2020

Release Date

Sep 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Comet Lake-S

Core Architecture

Skylake

i7-10700K

Processor Number

i5-6400

LGA-1200

Socket

LGA-1151

UHD Graphics 630

Integrated Graphics

HD Graphics 530

Package

14 nm

Manufacturing Process

14 nm

LGA-1200

Socket

LGA-1151

125 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

-

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

4

3.8 GHz

Performance Core Base Frequency

2.7 GHz

5.1 GHz

Performance Core Turbo Frequency

3.3 GHz

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

27x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

16 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2933

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

45.8 GB/s

Max Memory Bandwidth

34.1 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

350 MHz

GPU Base Frequency

-

1200 MHz

GPU Max Dynamic Frequency

950 MHz

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 i7 10700K

Official Website

Intel Core i5 6400

3.0

PCIe Version

3.0

16

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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