Loongson LS3A6000 vs Intel Core i7 7740X

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We compared two desktop CPUs: Loongson LS3A6000 with 4 cores 2.0GHz and Intel Core i7 7740X with 4 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Loongson LS3A6000 's Advantages

Released 6 years and 6 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (16MB vs 8MB)

Lower TDP (50W vs 112W)

Intel Core i7 7740X 's Advantages

Larger memory bandwidth (42.7GB/s vs 42GB/s)

Higher base frequency (4.3GHz vs 2.0GHz)

Score

Benchmark

Geekbench 6 Single Core

Loongson LS3A6000

226

Intel Core i7 7740X +587%

1553

Geekbench 6 Multi Core

Loongson LS3A6000

888

Intel Core i7 7740X +521%

5516

Loongson LS3A6000

VS

Intel Core i7 7740X

General Parameters

Nov 2023

Release Date

May 2017

Loongson

Manufacturer

Intel

Desktop

Type

Desktop

LoongArch

Instruction Set

x86-64

LA664

Core Architecture

Kaby Lake

LS3A6000

Processor Number

i7-7740X

FCBGA-1190

Socket

LGA-2066

No

Integrated Graphics

N/A

3A6000

Generation

-

Package

12 nm

Manufacturing Process

14 nm

FCBGA-1190

Socket

LGA-2066

50 W

Power Consumption

112 W

70°C

Peak Operating Temperature

100 °C

Loongson

Foundry

-

257 mm²

Die Size

-

FCBGA-1190

Package

-

CPU Performance

4

Performance Cores

4

8

Performance Core Threads

8

2.0 GHz

Performance Core Base Frequency

4.3 GHz

2.5 GHz

Performance Core Turbo Frequency

4.5 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

-

20

Multiplier

43x

128 K per core

L1 Cache

64 K per core

1 MB

L2 Cache

256 K per core

16 MB

L3 Cache

8 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

32 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

42 GB/s

Max Memory Bandwidth

42.7 GB/s

Yes

ECC Memory Support

No

Miscellaneous

Loongson LS3A6000

Official Website

Intel Core i7 7740X

5.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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