Intel Core Ultra 5 245KF vs Intel Core i5 8400

VS

Intel Core Ultra 5 245KF

Intel Core i5 8400

We compared two desktop CPUs: Intel Core Ultra 5 245KF with 14 cores 4.2GHz and Intel Core i5 8400 with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 5 245KF 's Advantages

Released 7 years late

Higher specification of memory (6400 vs 2666)

Larger memory bandwidth (102.4GB/s vs 41.6GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.2GHz vs 2.8GHz)

Larger L3 cache size (24MB vs 9MB)

More modern manufacturing process (3nm vs 14nm)

Intel Core i5 8400 's Advantages

Integrated graphics card

Lower TDP (65W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core Ultra 5 245KF +107%

2124

Intel Core i5 8400

1026

Cinebench R23 Multi Core

Intel Core Ultra 5 245KF +341%

25575

Intel Core i5 8400

5798

Geekbench 6 Single Core

Intel Core Ultra 5 245KF +148%

3225

Intel Core i5 8400

1298

Geekbench 6 Multi Core

Intel Core Ultra 5 245KF +334%

20321

Intel Core i5 8400

4677

Intel Core Ultra 5 245KF

VS

Intel Core i5 8400

General Parameters

Oct 2024

Release Date

Oct 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Arrow Lake

Core Architecture

Coffee Lake

245KF

Processor Number

i5-8400

FCLGA-1851

Socket

LGA-1151

No

Integrated Graphics

UHD Graphics 630

Ultra 5(Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

14 nm

125 W

Power Consumption

65 W

159 W

Max Turbo Power Consumption

-

105 °C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

CPU Performance

6

Performance Cores

6

Performance Core Threads

6

4.2 GHz

Performance Core Base Frequency

2.8 GHz

5.2 GHz

Performance Core Turbo Frequency

4 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

3.6 GHz

Efficiency Core Base Frequency

-

4.6 GHz

Efficiency Core Turbo Frequency

-

14

Total Core Count

6

14

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

42

Multiplier

28x

112 K per core

L1 Cache

64 K per core

3 MB per core

L2 Cache

256 K per core

24 MB shared

L3 Cache

9 MB shared

Yes

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2666

192 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

102.4 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1050 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core Ultra 5 245KF

Official Website

Intel Core i5 8400

5.0

PCIe Version

3.0

24

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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