Home Comparison Intel Core Ultra 5 115U vs Intel Core Ultra 7 255HX

Intel Core Ultra 5 115U vs Intel Core Ultra 7 255HX

Intel Core Ultra 5 115U
VS
Intel Core Ultra 7 255HX
Intel Core Ultra 5 115U
Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core Ultra 5 115U with 8 cores 1.5GHz and Intel Core Ultra 7 255HX with 20 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 5 115U 's Advantages
Higher specification of memory (7467 vs 6400)
Larger memory bandwidth (120GB/s vs 102.4GB/s)
Lower TDP (15W vs 55W)
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 1.5GHz)
Larger L3 cache size (24MB vs 10MB)
More modern manufacturing process (3nm vs 7nm)

Score

Intel Core Ultra 5 115U
VS
Intel Core Ultra 7 255HX

General Parameters

Dec 2023
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
Meteor Lake
Core Architecture
Arrow Lake
Intel BGA 2049
Socket
Intel Socket 1851
Arc Xe-LPG 48EU
Integrated Graphics
Arc Xe-LPG
Ultra 5 (Meteor Lake)
Generation
Ultra 7 (Arrow Lake)

Package

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

CPU Performance

2
Performance Cores
8
4
Performance Core Threads
8
1.5 GHz
Performance Core Base Frequency
2.4 GHz
4.2 GHz
Performance Core Turbo Frequency
5.2 GHz
6
Efficiency Cores
12
6
Efficiency Core Threads
12
1000 MHz
Efficiency Core Base Frequency
1.8 GHz
3.5 GHz
Efficiency Core Turbo Frequency
4.5 GHz
8
Total Core Count
20
10
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
15.0
Multiplier
24
112 KB per core
L1 Cache
112 KB per core
2 MB per core
L2 Cache
23 MB
10 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No
1
SMP
1

Memory Parameters

LPDDR5X-7467,DDR5-5600
Memory Types
DDR5-6400
-
Max Memory Size
256 GB
2
Max Memory Channels
2
120 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes

Graphics Card Parameters

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

Miscellaneous

Intel Core Ultra 5 115U
Official Website
4
PCIe Version
5
12
PCIe Lanes

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