Intel Core i9 9960X vs Intel Core i5 6600

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We compared two desktop CPUs: Intel Core i9 9960X with 16 cores 3.1GHz and Intel Core i5 6600 with 4 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9960X 's Advantages

Released 3 years and 1 months late

Higher specification of memory (DDR4-2666 vs DDR4-2133)

Larger memory bandwidth (85GB/s vs 34.1GB/s)

Larger L3 cache size (22MB vs 6MB)

Intel Core i5 6600 's Advantages

Integrated graphics card

Higher base frequency (3.3GHz vs 3.1GHz)

Lower TDP (65W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9960X +2%

1070

Intel Core i5 6600

1042

Cinebench R23 Multi Core

Intel Core i9 9960X +368%

17841

Intel Core i5 6600

3810

Geekbench 6 Single Core

Intel Core i9 9960X +17%

1432

Intel Core i5 6600

1215

Geekbench 6 Multi Core

Intel Core i9 9960X +252%

10707

Intel Core i5 6600

3041

Geekbench 5 Single Core

Intel Core i9 9960X +23%

1173

Intel Core i5 6600

953

Geekbench 5 Multi Core

Intel Core i9 9960X +356%

15176

Intel Core i5 6600

3325

Passmark CPU Single Core

Intel Core i9 9960X +16%

2608

Intel Core i5 6600

2246

Passmark CPU Multi Core

Intel Core i9 9960X +409%

30525

Intel Core i5 6600

5989

Intel Core i9 9960X

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Intel Core i5 6600

General Parameters

Oct 2018

Release Date

Sep 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Skylake

i9-9960X

Processor Number

i5-6600

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 530

Package

-

Transistor Count

1.75 billions

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

165 W

Power Consumption

65 W

85 °C

Peak Operating Temperature

-

CPU Performance

16

Performance Cores

4

32

Performance Core Threads

4

3.1 GHz

Performance Core Base Frequency

3.3 GHz

4.4 GHz

Performance Core Turbo Frequency

3.9 GHz

16

Total Core Count

4

32

Total Thread Count

4

-

Bus Frequency

100 MHz

-

Multiplier

33x

32 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

22 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

34.1 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Max Dynamic Frequency

1150 MHz

Miscellaneous

Intel Core i9 9960X

Official Website

Intel Core i5 6600

3.0

PCIe Version

3.0

44

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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