Intel Core Ultra 7 255HX vs Intel Core i5 8265U

VS

Intel Core Ultra 7 255HX

Intel Core i5 8265U

We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i5 8265U with 4 cores 1.6GHz . 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 6 years and 5 months late

Higher specification of memory (6400 vs 2400)

Larger memory bandwidth (102.4GB/s vs 37.5GB/s)

Newer PCIe version (5 vs 3.0)

Higher base frequency (2.4GHz vs 1.6GHz)

Larger L3 cache size (24MB vs 6MB)

More modern manufacturing process (3nm vs 14nm)

Intel Core i5 8265U 's Advantages

Lower TDP (15W vs 55W)

Score

Intel Core Ultra 7 255HX

VS

Intel Core i5 8265U

General Parameters

Jan 2025

Release Date

Aug 2018

Intel

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Arrow Lake

Core Architecture

Whiskey Lake

-

Processor Number

i5-8265U

Intel Socket 1851

Socket

BGA-1528

Arc Xe-LPG

Integrated Graphics

UHD Graphics 620

Ultra 7 (Arrow Lake)

Generation

-

Package

3 nm

Manufacturing Process

14 nm

17-55 W

Power Consumption

15 W

100 °C

Peak Operating Temperature

100 °C

Intel

Foundry

-

CPU Performance

8

Performance Cores

4

8

Performance Core Threads

8

2.4 GHz

Performance Core Base Frequency

1.6 GHz

5.2 GHz

Performance Core Turbo Frequency

3.9 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

4

20

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

24

Multiplier

16x

112 KB per core

L1 Cache

32 K per core

23 MB

L2 Cache

256 K per core

24 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2400, LPDDR3-2133

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

102.4 GB/s

Max Memory Bandwidth

37.5 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

1100 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

64

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Official Website

Intel Core i5 8265U

5

PCIe Version

3.0

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

Related CPU Comparisons

1

Intel Core Ultra 7 255HX vs Intel Core i7 1060NG7

2

Intel Core Ultra 7 255HX vs Intel Core i5 8300H

3

Intel Core Ultra 7 255HX vs Intel Core i7 1165G7

4

Intel Core Ultra 7 255HX vs AMD Ryzen 7 6800U

5

Intel Core Ultra 7 255HX vs AMD Ryzen AI 9 HX 370

6

Intel Core Ultra 7 255HX vs Intel Core i3 10110U

7

Intel Core Ultra 7 255HX vs Intel Core i7 1260U

8

Intel Core Ultra 7 255HX vs AMD Ryzen 5 PRO 8540U

9

Intel Core Ultra 7 255HX vs Intel Celeron N4500

10

Intel Core Ultra 7 255HX vs Intel Core i5 1038NG7

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage