Intel Core i5 8400 vs Intel Core i7 14700F

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We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and Intel Core i7 14700F with 20 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400 's Advantages

Integrated graphics card

Higher base frequency (2.8GHz vs 2.1GHz)

Intel Core i7 14700F 's Advantages

Released 6 years and 3 months late

Higher specification of memory (DDR5-5600 vs DDR4-2666)

Larger memory bandwidth (89.6GB/s vs 41.6GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (33MB vs 9MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 8400

1038

Intel Core i7 14700F +102%

2099

Cinebench R23 Multi Core

Intel Core i5 8400

5893

Intel Core i7 14700F +467%

33438

Geekbench 6 Single Core

Intel Core i5 8400

1298

Intel Core i7 14700F +109%

2724

Geekbench 6 Multi Core

Intel Core i5 8400

4677

Intel Core i7 14700F +285%

18009

Blender

Intel Core i5 8400

81

Intel Core i7 14700F +440%

438

Passmark CPU Single Core

Intel Core i5 8400

2387

Intel Core i7 14700F +82%

4363

Passmark CPU Multi Core

Intel Core i5 8400

9214

Intel Core i7 14700F +407%

46760

Intel Core i5 8400

VS

Intel Core i7 14700F

General Parameters

Oct 2017

Release Date

Jan 2024

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Raptor Lake Refresh

i5-8400

Processor Number

i7-14700F

LGA-1151

Socket

LGA-1700

UHD Graphics 630

Integrated Graphics

No

Package

14 nm

Manufacturing Process

10 nm

LGA-1151

Socket

LGA-1700

65 W

Power Consumption

65 W

-

Max Turbo Power Consumption

219 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

6

Performance Cores

8

6

Performance Core Threads

16

2.8 GHz

Performance Core Base Frequency

2.1 GHz

4 GHz

Performance Core Turbo Frequency

5.4 GHz

-

Efficiency Cores

12

-

Efficiency Core Threads

12

-

Efficiency Core Base Frequency

1.5 GHz

-

Efficiency Core Turbo Frequency

4.2 GHz

6

Total Core Count

20

6

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

28x

Multiplier

21x

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

2 MB per core

9 MB shared

L3 Cache

33 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR5-5600, DDR4-3200

128 GB

Max Memory Size

192 GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1050 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

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 8400

Official Website

Intel Core i7 14700F

3.0

PCIe Version

5.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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