Intel Core Ultra 7 255HX vs Intel Celeron N4000

VS

Intel Core Ultra 7 255HX

Intel Celeron N4000

We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Celeron N4000 with 2 cores 1.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 7 255HX 's Advantages

Released 7 years and 1 months late

Higher specification of memory (6400 vs 2400)

Larger memory bandwidth (102.4GB/s vs 35.76GB/s)

Newer PCIe version (5 vs 2.0)

Higher base frequency (2.4GHz vs 1.1GHz)

More modern manufacturing process (3nm vs 14nm)

Intel Celeron N4000 's Advantages

Lower TDP (6W vs 55W)

Score

Intel Core Ultra 7 255HX

VS

Intel Celeron N4000

General Parameters

Jan 2025

Release Date

Dec 2017

Intel

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Arrow Lake

Core Architecture

Gemini Lake

-

Processor Number

N4000

Intel Socket 1851

Socket

BGA-1090

Arc Xe-LPG

Integrated Graphics

UHD Graphics 600

Ultra 7 (Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

14 nm

17-55 W

Power Consumption

6 W

100 °C

Peak Operating Temperature

105 °C

Intel

Foundry

-

CPU Performance

8

Performance Cores

2

8

Performance Core Threads

2

2.4 GHz

Performance Core Base Frequency

1.1 GHz

5.2 GHz

Performance Core Turbo Frequency

-

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

2

20

Total Thread Count

2

100 MHz

Bus Frequency

-

24

Multiplier

-

112 KB per core

L1 Cache

48 K per core

23 MB

L2 Cache

4 MB per core

24 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2400, LPDDR4-2400

256 GB

Max Memory Size

8 GB

2

Max Memory Channels

2

102.4 GB/s

Max Memory Bandwidth

35.76 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

200 MHz

1900 MHz

GPU Max Dynamic Frequency

650 MHz

-

Shader Units

96

-

Texture Units

12

-

Raster Operation Units

2

64

Execution Units

12

-

Power Consumption

5 W

-

Max Resolution

3840x2160 - 30 Hz

-

Graphics Performance

0.14 TFLOPS

Miscellaneous

Official Website

Intel Celeron N4000

5

PCIe Version

2.0

PCIe Lanes

6

-

Extended Instruction Set

SSE4.2

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