Intel Core Ultra 7 265T vs Intel Core i5 8400

VS

Intel Core Ultra 7 265T

Intel Core i5 8400

We compared two desktop CPUs: Intel Core Ultra 7 265T with 20 cores 2.4GHz 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 7 265T 's Advantages

Released 7 years and 2 months late

Higher specification of memory (6400 vs 2666)

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

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (24MB vs 9MB)

More modern manufacturing process (3nm vs 14nm)

Lower TDP (35W vs 65W)

Intel Core i5 8400 's Advantages

Integrated graphics card

Higher base frequency (2.8GHz vs 2.4GHz)

Score

Intel Core Ultra 7 265T

VS

Intel Core i5 8400

General Parameters

Dec 2024

Release Date

Oct 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

-

Instruction Set

x86-64

Arrow Lake-S

Core Architecture

Coffee Lake

-

Processor Number

i5-8400

Intel Socket 1851

Socket

LGA-1151

Integrated Graphics

UHD Graphics 630

Ultra 7 (Arrow Lake-S)

Generation

-

Package

3 nm

Manufacturing Process

14 nm

35 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

100 °C

Intel

Foundry

-

CPU Performance

8

Performance Cores

6

8

Performance Core Threads

6

2.4 GHz

Performance Core Base Frequency

2.8 GHz

5.3 GHz

Performance Core Turbo Frequency

4 GHz

12

Efficiency Cores

-

12

Efficiency Core Threads

-

1.8 GHz

Efficiency Core Base Frequency

-

4.5 GHz

Efficiency Core Turbo Frequency

-

20

Total Core Count

6

20

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

24

Multiplier

28x

112 KB per core

L1 Cache

64 K per core

23 MB

L2 Cache

256 K per core

24 MB shared

L3 Cache

9 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2666

256 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

Official Website

Intel Core i5 8400

5

PCIe Version

3.0

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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