Intel Core i3 7100 vs Intel Core i5 6400

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We compared two desktop CPUs: Intel Core i3 7100 with 2 cores 3.9GHz and Intel Core i5 6400 with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i3 7100 's Advantages

Released 1 years and 4 months late

Higher specification of memory (DDR4-400 vs DDR4-2133)

Larger memory bandwidth (35.76GB/s vs 34.1GB/s)

Higher base frequency (3.9GHz vs 2.7GHz)

Lower TDP (51W vs 65W)

Intel Core i5 6400 's Advantages

Larger L3 cache size (6MB vs 3MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i3 7100 +13%

1292

Intel Core i5 6400

1143

Geekbench 6 Multi Core

Intel Core i3 7100

2460

Intel Core i5 6400 +34%

3312

Blender

Intel Core i3 7100

35

Intel Core i5 6400 +17%

41

Geekbench 5 Single Core

Intel Core i3 7100 +14%

980

Intel Core i5 6400

853

Geekbench 5 Multi Core

Intel Core i3 7100

2149

Intel Core i5 6400 +30%

2805

Passmark CPU Single Core

Intel Core i3 7100 +18%

2323

Intel Core i5 6400

1961

Passmark CPU Multi Core

Intel Core i3 7100

4323

Intel Core i5 6400 +19%

5151

Intel Core i3 7100

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Intel Core i5 6400

General Parameters

Jan 2017

Release Date

Sep 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Skylake

i3-7100

Processor Number

i5-6400

LGA-1151

Socket

LGA-1151

HD Graphics 630

Integrated Graphics

HD Graphics 530

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

51 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

-

CPU Performance

2

Performance Cores

4

Performance Core Threads

4

3.9 GHz

Performance Core Base Frequency

2.7 GHz

-

Performance Core Turbo Frequency

3.3 GHz

2

Total Core Count

4

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

39x

Multiplier

27x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

3 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-400, DDR3L-1600

Memory Types

DDR4-2133, DDR3L-1600

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

35.76 GB/s

Max Memory Bandwidth

34.1 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

350 MHz

GPU Base Frequency

-

1100 MHz

GPU Max Dynamic Frequency

950 MHz

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 i3 7100

Official Website

Intel Core i5 6400

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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