Home Comparison Intel Core Ultra 7 255HX vs Intel Core Ultra 5 134U

Intel Core Ultra 7 255HX vs Intel Core Ultra 5 134U

Intel Core Ultra 7 255HX
VS
Intel Core Ultra 5 134U
Intel Core Ultra 7 255HX
Intel Core Ultra 5 134U
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core Ultra 5 134U with 12 cores 0.7GHz . 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 1 years and 1 months late
Integrated graphics card
Newer PCIe version (5 vs 4)
Higher base frequency (2.4GHz vs 0.7GHz)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (3nm vs 7nm)
Intel Core Ultra 5 134U 's Advantages
Higher specification of memory (6400 vs 6400)
Lower TDP (9W vs 55W)

Score

Intel Core Ultra 7 255HX
VS
Intel Core Ultra 5 134U

General Parameters

Jan 2025
Release Date
Dec 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
Arrow Lake
Core Architecture
Meteor Lake
Intel Socket 1851
Socket
Intel BGA 2551
Arc Xe-LPG
Integrated Graphics
Arc Xe-LPG 64EU
Ultra 7 (Arrow Lake)
Generation
Ultra 5 (Meteor Lake)

Package

3 nm
Manufacturing Process
7 nm
17-55 W
Power Consumption
9 W
100 °C
Peak Operating Temperature
-
Intel
Foundry
Intel

CPU Performance

8
Performance Cores
2
8
Performance Core Threads
4
2.4 GHz
Performance Core Base Frequency
0.7 GHz
5.2 GHz
Performance Core Turbo Frequency
4.4 GHz
12
Efficiency Cores
10
12
Efficiency Core Threads
10
1.8 GHz
Efficiency Core Base Frequency
500 MHz
4.5 GHz
Efficiency Core Turbo Frequency
3.6 GHz
20
Total Core Count
12
20
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
24
Multiplier
7.0
112 KB per core
L1 Cache
112 KB per core
23 MB
L2 Cache
2 MB per core
24 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
1

Memory Parameters

DDR5-6400
Memory Types
LPDDR5-6400
256 GB
Max Memory Size
-
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
102.4 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
-
1900 MHz
GPU Max Dynamic Frequency
-
64
Execution Units
-

Miscellaneous

Official Website
Intel Core Ultra 5 134U
5
PCIe Version
4
PCIe Lanes
8

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