Intel Core i9 10900KF vs Intel Core i5 6400

VS

Intel Core i9 10900KF Intel Core i5 6400

We compared two desktop CPUs: Intel Core i9 10900KF with 10 cores 3.7GHz 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 i9 10900KF'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 (3.7GHz vs 2.7GHz)

Larger L3 cache size (20MB vs 6MB)

Intel Core i5 6400's Advantages

Integrated graphics card

Lower TDP (65W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 10900KF +53%

1375

Intel Core i5 6400

898

Cinebench R23 Multi Core

Intel Core i9 10900KF +328%

13761

Intel Core i5 6400

3214

Geekbench 6 Single Core

Intel Core i9 10900KF +52%

1741

Intel Core i5 6400

1143

Geekbench 6 Multi Core

Intel Core i9 10900KF +123%

7414

Intel Core i5 6400

3312

Blender

Intel Core i9 10900KF +634%

301

Intel Core i5 6400

41

Geekbench 5 Single Core

Intel Core i9 10900KF +52%

1301

Intel Core i5 6400

853

Geekbench 5 Multi Core

Intel Core i9 10900KF +293%

11050

Intel Core i5 6400

2805

Passmark CPU Single Core

Intel Core i9 10900KF +59%

3118

Intel Core i5 6400

1961

Passmark CPU Multi Core

Intel Core i9 10900KF +344%

22915

Intel Core i5 6400

5151

Intel Core i9 10900KF

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

Core Architecture

Skylake

i9-10900KF

Processor Number

i5-6400

LGA-1200

Socket

LGA-1151

N/A

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

10

Performance Cores

4

20

Performance Core Threads

4

3.7 GHz

Performance Core Base Frequency

2.7 GHz

5.3 GHz

Performance Core Turbo Frequency

3.3 GHz

10

Total Core Count

4

20

Total Thread Count

4

100MHz

Bus Frequency

100MHz

37x

Multiplier

27x

64K per core

L1 Cache

64K per core

256K per core

L2 Cache

256K per core

20MB shared

L3 Cache

6MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2933

Memory Types

DDR4-2133, DDR3L-1600

128GB

Max Memory Size

64GB

2

Max Memory Channels

2

45.8 GB/s

Max Memory Bandwidth

34.1 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

True

-

GPU Max Dynamic Frequency

950 MHz

Miscellaneous

Intel Core i9 10900KF

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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