Intel Core i5 6400 vs Loongson LS3A6000

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We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Loongson LS3A6000 with 4 cores 2.0GHz . 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

Integrated graphics card

Higher base frequency (2.7GHz vs 2.0GHz)

Loongson LS3A6000 's Advantages

Released 8 years and 2 months late

Higher specification of memory (DDR4-3200 vs DDR4-2133)

Larger memory bandwidth (42GB/s vs 34.1GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (16MB vs 6MB)

Lower TDP (50W vs 65W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 6400 +405%

1143

Loongson LS3A6000

226

Geekbench 6 Multi Core

Intel Core i5 6400 +272%

3312

Loongson LS3A6000

888

Intel Core i5 6400

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Loongson LS3A6000

General Parameters

Sep 2015

Release Date

Nov 2023

Intel

Manufacturer

Loongson

Desktop

Type

Desktop

x86-64

Instruction Set

LoongArch

Skylake

Core Architecture

LA664

i5-6400

Processor Number

LS3A6000

LGA-1151

Socket

FCBGA-1190

HD Graphics 530

Integrated Graphics

No

-

Generation

3A6000

Package

14 nm

Manufacturing Process

12 nm

LGA-1151

Socket

FCBGA-1190

65 W

Power Consumption

50 W

-

Peak Operating Temperature

70°C

-

Foundry

Loongson

-

Die Size

257 mm²

-

Package

FCBGA-1190

CPU Performance

4

Performance Cores

4

Performance Core Threads

8

2.7 GHz

Performance Core Base Frequency

2.0 GHz

3.3 GHz

Performance Core Turbo Frequency

2.5 GHz

4

Total Core Count

4

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

20

64 K per core

L1 Cache

128 K per core

256 K per core

L2 Cache

1 MB

6 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR4-3200

64 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

42 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

950 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i5 6400

Official Website

Loongson LS3A6000

3.0

PCIe Version

5.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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