Intel Core Ultra 7 255HX vs Intel Core i5 1230U

VS

Intel Core Ultra 7 255HX

Intel Core i5 1230U

We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i5 1230U with 10 cores 1.0GHz . 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 2 years and 11 months late

Higher specification of memory (6400 vs 5200)

Larger memory bandwidth (102.4GB/s vs 76.8GB/s)

Newer PCIe version (5 vs 4.0)

Higher base frequency (2.4GHz vs 1.0GHz)

Larger L3 cache size (24MB vs 12MB)

More modern manufacturing process (3nm vs 10nm)

Intel Core i5 1230U 's Advantages

Lower TDP (9W vs 55W)

Score

Intel Core Ultra 7 255HX

VS

Intel Core i5 1230U

General Parameters

Jan 2025

Release Date

Feb 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Arrow Lake

Core Architecture

Alder Lake-U

-

Processor Number

i5-1230U

Intel Socket 1851

Socket

LGA-1700

Arc Xe-LPG

Integrated Graphics

Iris Xe Graphics (80EU)

Ultra 7 (Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

10 nm

17-55 W

Power Consumption

9 W

100 °C

Peak Operating Temperature

100 °C

Intel

Foundry

-

CPU Performance

8

Performance Cores

2

8

Performance Core Threads

-

2.4 GHz

Performance Core Base Frequency

1.0 GHz

5.2 GHz

Performance Core Turbo Frequency

4.4 GHz

12

Efficiency Cores

8

12

Efficiency Core Threads

-

1.8 GHz

Efficiency Core Base Frequency

-

4.5 GHz

Efficiency Core Turbo Frequency

-

20

Total Core Count

10

20

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

24

Multiplier

10x

112 KB per core

L1 Cache

80 K per core

23 MB

L2 Cache

1280 K per core

24 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

LPDDR5-5200, LPDDR4x-4267

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

102.4 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

1900 MHz

GPU Max Dynamic Frequency

850 MHz

-

Shader Units

640

-

Texture Units

40

-

Raster Operation Units

20

64

Execution Units

80

-

Power Consumption

15 W

-

Graphics Performance

1.41 TFLOPS

Miscellaneous

Official Website

Intel Core i5 1230U

5

PCIe Version

4.0

PCIe Lanes

14

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