Intel Core i9 14900KS vs Intel Core i5 6400

VS

Intel Core i9 14900KS

Intel Core i5 6400

We compared two desktop CPUs: Intel Core i9 14900KS with 24 cores 3.2GHz 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 14900KS 's Advantages

Released 8 years and 6 months late

Higher specification of memory (5600 vs 2133)

Larger memory bandwidth (89.6GB/s vs 34.1GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.2GHz vs 2.7GHz)

Larger L3 cache size (36MB vs 6MB)

More modern manufacturing process (10nm vs 14nm)

Intel Core i5 6400 's Advantages

Lower TDP (65W vs 150W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 14900KS +167%

2398

Intel Core i5 6400

898

Cinebench R23 Multi Core

Intel Core i9 14900KS +1174%

40976

Intel Core i5 6400

3214

Geekbench 6 Single Core

Intel Core i9 14900KS +201%

3444

Intel Core i5 6400

1143

Geekbench 6 Multi Core

Intel Core i9 14900KS +625%

24020

Intel Core i5 6400

3312

Blender

Intel Core i9 14900KS +1130%

603

Intel Core i5 6400

49

Passmark CPU Single Core

Intel Core i9 14900KS +154%

4990

Intel Core i5 6400

1961

Passmark CPU Multi Core

Intel Core i9 14900KS +1167%

65287

Intel Core i5 6400

5151

Intel Core i9 14900KS

VS

Intel Core i5 6400

General Parameters

Mar 2024

Release Date

Sep 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Raptor Lake Refresh

Core Architecture

Skylake

i9-14900KS

Processor Number

i5-6400

LGA-1700

Socket

LGA-1151

UHD Graphics 770

Integrated Graphics

HD Graphics 530

Package

10 nm

Manufacturing Process

14 nm

150 W

Power Consumption

65 W

253 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

-

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

4

3.2 GHz

Performance Core Base Frequency

2.7 GHz

6.2 GHz

Performance Core Turbo Frequency

3.3 GHz

16

Efficiency Cores

-

16

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

4.5 GHz

Efficiency Core Turbo Frequency

-

24

Total Core Count

4

32

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

27x

80 K per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

256 K per core

36 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, DDR4-3200

Memory Types

DDR4-2133, DDR3L-1600

192 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

34.1 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

-

1650 MHz

GPU Max Dynamic Frequency

950 MHz

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 14900KS

Official Website

Intel Core i5 6400

5.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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