Intel Core i5 6400 vs Intel Core i5 9600K

VS

Intel Core i5 6400

Intel Core i5 9600K

We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core i5 9600K with 6 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages

Lower TDP (65W vs 95W)

Intel Core i5 9600K 's Advantages

Released 3 years and 1 months late

Higher specification of memory (2666 vs 2133)

Larger memory bandwidth (41.6GB/s vs 34.1GB/s)

Higher base frequency (3.7GHz vs 2.7GHz)

Larger L3 cache size (9MB vs 6MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6400

898

Intel Core i5 9600K +31%

1185

Cinebench R23 Multi Core

Intel Core i5 6400

3214

Intel Core i5 9600K +105%

6590

Geekbench 6 Single Core

Intel Core i5 6400

1143

Intel Core i5 9600K +37%

1566

Geekbench 6 Multi Core

Intel Core i5 6400

3312

Intel Core i5 9600K +91%

6338

Blender

Intel Core i5 6400

49

Intel Core i5 9600K +148%

122

Geekbench 5 Single Core

Intel Core i5 6400

853

Intel Core i5 9600K +40%

1198

Geekbench 5 Multi Core

Intel Core i5 6400

2805

Intel Core i5 9600K +101%

5650

Passmark CPU Single Core

Intel Core i5 6400

1961

Intel Core i5 9600K +39%

2738

Passmark CPU Multi Core

Intel Core i5 6400

5151

Intel Core i5 9600K +108%

10716

Intel Core i5 6400

VS

Intel Core i5 9600K

General Parameters

Sep 2015

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i5-6400

Processor Number

i5-9600K

LGA-1151

Socket

LGA-1151

HD Graphics 530

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

65 W

Power Consumption

95 W

-

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

6

4

Performance Core Threads

6

2.7 GHz

Performance Core Base Frequency

3.7 GHz

3.3 GHz

Performance Core Turbo Frequency

4.6 GHz

4

Total Core Count

6

4

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

37x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

9 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR4-2666

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

950 MHz

GPU Max Dynamic Frequency

1150 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 i5 6400

Official Website

Intel Core i5 9600K

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

Related CPU Comparisons

1

Intel Core i5 6400 vs AMD Ryzen 5 2500X

2

Intel Core i5 6400 vs Intel Core i7 13700F

3

Intel Core i5 6400 vs Intel Pentium Gold G5420T

4

Intel Core i5 6400 vs AMD Ryzen 7 1800X

5

Intel Core i5 6400 vs AMD Ryzen 7 7700X

6

Intel Core i5 6400 vs Intel Core Ultra 5 125HL

7

Intel Core i5 6400 vs AMD Ryzen Threadripper 7980X

8

Intel Core i5 6400 vs Intel Core i3 10100F

9

Intel Core i5 6400 vs Intel Celeron J3455E

10

Intel Core i5 6400 vs Intel Core i5 11600K

Related News

1

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

2

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

3

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

4

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

5

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

6

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

7

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

8

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

9

World's First! Intel Arc B580 Graphics Card Arrives Early

10

Linux Creator Criticizes AMD and Intel's x86 Microarchitecture: A Complete Disaster