Intel Core i5 8400 vs Intel Core i7 14700T

VS

Intel Core i5 8400

Intel Core i7 14700T

We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and Intel Core i7 14700T with 20 cores 1.3GHz . 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 1.3GHz)

Intel Core i7 14700T 's Advantages

Released 6 years and 3 months late

Higher specification of memory (5600 vs 2666)

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

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (33MB vs 9MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (35W vs 65W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 8400

1298

Intel Core i7 14700T +105%

2667

Geekbench 6 Multi Core

Intel Core i5 8400

4677

Intel Core i7 14700T +281%

17830

Blender

Intel Core i5 8400

83

Intel Core i7 14700T +159%

215

Intel Core i5 8400

VS

Intel Core i7 14700T

General Parameters

Oct 2017

Release Date

Jan 2024

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Coffee Lake

Core Architecture

Raptor Lake-R

i5-8400

Processor Number

-

LGA-1151

Socket

Intel Socket 1700

UHD Graphics 630

Integrated Graphics

UHD Graphics 770

-

Generation

Core i7 (Raptor Lake Refresh)

Package

14 nm

Manufacturing Process

10 nm

65 W

Power Consumption

35 W

100 °C

Peak Operating Temperature

-

Foundry

Intel

-

Die Size

257 mm²

CPU Performance

6

Performance Cores

8

6

Performance Core Threads

16

2.8 GHz

Performance Core Base Frequency

1.3 GHz

4 GHz

Performance Core Turbo Frequency

5.2 GHz

-

Efficiency Cores

12

-

Efficiency Core Threads

12

-

Efficiency Core Base Frequency

900 MHz

-

Efficiency Core Turbo Frequency

3.7 GHz

6

Total Core Count

20

6

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

28x

Multiplier

13.0

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

2 MB per core

9 MB shared

L3 Cache

33 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200, DDR5-5600

128 GB

Max Memory Size

-

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 14700T

3.0

PCIe Version

5

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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