Intel Core i7 6900K vs Intel Core i5 6600

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We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz 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 i7 6900K 's Advantages

Released 8 months late

Larger memory bandwidth (76.8GB/s vs 34.1GB/s)

Larger L3 cache size (20MB vs 6MB)

Intel Core i5 6600 's Advantages

Integrated graphics card

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

Higher base frequency (3.3GHz vs 3.2GHz)

Lower TDP (65W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 6900K +10%

1151

Intel Core i5 6600

1042

Cinebench R23 Multi Core

Intel Core i7 6900K +197%

11326

Intel Core i5 6600

3810

Geekbench 6 Single Core

Intel Core i7 6900K +5%

1286

Intel Core i5 6600

1215

Geekbench 6 Multi Core

Intel Core i7 6900K +145%

7470

Intel Core i5 6600

3041

Blender

Intel Core i7 6900K +211%

131

Intel Core i5 6600

42

Geekbench 5 Single Core

Intel Core i7 6900K

961

Intel Core i5 6600

953

Geekbench 5 Multi Core

Intel Core i7 6900K +120%

7327

Intel Core i5 6600

3325

Passmark CPU Single Core

Intel Core i7 6900K +2%

2310

Intel Core i5 6600

2246

Passmark CPU Multi Core

Intel Core i7 6900K +138%

14258

Intel Core i5 6600

5989

Intel Core i7 6900K

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Intel Core i5 6600

General Parameters

May 2016

Release Date

Sep 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Broadwell E

Core Architecture

Skylake

i7-6900K

Processor Number

i5-6600

LGA-2011-3

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 530

Package

-

Transistor Count

1.75 billions

14 nm

Manufacturing Process

14 nm

LGA-2011-3

Socket

LGA-1151

140 W

Power Consumption

65 W

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

4

3.2 GHz

Performance Core Base Frequency

3.3 GHz

3.7 GHz

Performance Core Turbo Frequency

3.9 GHz

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2133

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

76.8 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 i7 6900K

Official Website

Intel Core i5 6600

3.0

PCIe Version

3.0

40

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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