Intel Core i3 9350K vs Intel Core i5 6400

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We compared two desktop CPUs: Intel Core i3 9350K with 4 cores 4.0GHz 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 i3 9350K's Advantages

Released 3 years and 7 months late

Higher specification of memory (DDR4-2400 vs DDR4-2133)

Larger memory bandwidth (37.5GB/s vs 34.1GB/s)

Higher base frequency (4.0GHz vs 2.7GHz)

Larger L3 cache size (8MB vs 6MB)

Intel Core i5 6400's Advantages

Lower TDP (65W vs 91W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i3 9350K +42%

1277

Intel Core i5 6400

898

Cinebench R23 Multi Core

Intel Core i3 9350K +48%

4779

Intel Core i5 6400

3214

Geekbench 6 Single Core

Intel Core i3 9350K +34%

1541

Intel Core i5 6400

1143

Geekbench 6 Multi Core

Intel Core i3 9350K +31%

4371

Intel Core i5 6400

3312

Geekbench 5 Single Core

Intel Core i3 9350K +48%

1263

Intel Core i5 6400

853

Geekbench 5 Multi Core

Intel Core i3 9350K +67%

4689

Intel Core i5 6400

2805

Passmark CPU Single Core

Intel Core i3 9350K +36%

2676

Intel Core i5 6400

1961

Passmark CPU Multi Core

Intel Core i3 9350K +46%

7542

Intel Core i5 6400

5151

Intel Core i3 9350K

VS

Intel Core i5 6400

General Parameters

Apr 2019

Release Date

Sep 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i3-9350K

Processor Number

i5-6400

LGA-1151

Socket

LGA-1151

UHD Graphics 630

Integrated Graphics

HD Graphics 530

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

91 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

-

CPU Performance

4

Performance Cores

4

Performance Core Threads

4

4.0 GHz

Performance Core Base Frequency

2.7 GHz

4.6 GHz

Performance Core Turbo Frequency

3.3 GHz

4

Total Core Count

4

Total Thread Count

4

100MHz

Bus Frequency

100MHz

40x

Multiplier

27x

64K per core

L1 Cache

64K per core

256K per core

L2 Cache

256K per core

8MB shared

L3 Cache

6MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2400

Memory Types

DDR4-2133, DDR3L-1600

64GB

Max Memory Size

64GB

2

Max Memory Channels

2

37.5 GB/s

Max Memory Bandwidth

34.1 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

350 MHz

GPU Base Frequency

-

1150 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 i3 9350K

Official Website

Intel Core i5 6400

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

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