Intel Core i5 7400 vs Intel Core i7 6900K

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We compared two desktop CPUs: Intel Core i5 7400 with 4 cores 3.0GHz and Intel Core i7 6900K with 8 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 7400 's Advantages

Released 8 months late

Integrated graphics card

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

Lower TDP (65W vs 140W)

Intel Core i7 6900K 's Advantages

Larger memory bandwidth (76.8GB/s vs 35.76GB/s)

Higher base frequency (3.2GHz vs 3.0GHz)

Larger L3 cache size (20MB vs 6MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 7400

937

Intel Core i7 6900K +22%

1151

Cinebench R23 Multi Core

Intel Core i5 7400

3382

Intel Core i7 6900K +234%

11326

Geekbench 6 Single Core

Intel Core i5 7400

1215

Intel Core i7 6900K +5%

1286

Geekbench 6 Multi Core

Intel Core i5 7400

3517

Intel Core i7 6900K +112%

7470

Blender

Intel Core i5 7400

48

Intel Core i7 6900K +172%

131

Geekbench 5 Single Core

Intel Core i5 7400

877

Intel Core i7 6900K +9%

961

Geekbench 5 Multi Core

Intel Core i5 7400

3079

Intel Core i7 6900K +137%

7327

Passmark CPU Single Core

Intel Core i5 7400

2090

Intel Core i7 6900K +10%

2310

Passmark CPU Multi Core

Intel Core i5 7400

5491

Intel Core i7 6900K +159%

14258

Intel Core i5 7400

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Intel Core i7 6900K

General Parameters

Jan 2017

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Broadwell E

i5-7400

Processor Number

i7-6900K

LGA-1151

Socket

LGA-2011-3

HD Graphics 630

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-2011-3

65 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

-

CPU Performance

4

Performance Cores

8

4

Performance Core Threads

16

3.0 GHz

Performance Core Base Frequency

3.2 GHz

3.5 GHz

Performance Core Turbo Frequency

3.7 GHz

4

Total Core Count

8

4

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, DDR3L-1600

Memory Types

DDR4-2133

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

35.76 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1000 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.44 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 7400

Official Website

Intel Core i7 6900K

3.0

PCIe Version

3.0

16

PCIe Lanes

40

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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