Intel Core Ultra 5 115U vs Intel Core Ultra 7 255H
We compared two laptop CPUs: Intel Core Ultra 5 115U with 8 cores 1.5GHz and Intel Core Ultra 7 255H with 16 cores 2.0GHz . 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
Lower TDP (15W vs 28W)
Intel Core Ultra 7 255H 's Advantages
Released 1 years and 1 months late
Integrated graphics card
Higher specification of memory (8400 vs 5600)
Newer PCIe version (5.0 vs 4)
Higher base frequency (2.0GHz vs 1.5GHz)
Larger L3 cache size (24MB vs 10MB)
More modern manufacturing process (3nm vs 7nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Core Ultra 5 115U
1616
Intel Core Ultra 7 255H
+74%
2823
Geekbench 6 Multi Core
Intel Core Ultra 5 115U
5338
Intel Core Ultra 7 255H
+193%
15662
General Parameters
Dec 2023
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Meteor Lake
Core Architecture
Arrow Lake
-
Processor Number
255H
Intel BGA 2049
Socket
FCBGA-2049
Arc Xe-LPG 48EU
Integrated Graphics
Arc Graphics 140T
Ultra 5 (Meteor Lake)
Generation
-
Package
7 nm
Manufacturing Process
3 nm
15 W
Power Consumption
20-28 W
-
Max Turbo Power Consumption
115 W
110°C
Peak Operating Temperature
110 °C
Intel
Foundry
-
CPU Performance
2
Performance Cores
6
4
Performance Core Threads
6
1.5 GHz
Performance Core Base Frequency
2.0 GHz
4.2 GHz
Performance Core Turbo Frequency
5.1 GHz
6
Efficiency Cores
10
6
Efficiency Core Threads
10
1000 MHz
Efficiency Core Base Frequency
1.5 GHz
3.5 GHz
Efficiency Core Turbo Frequency
4.4 GHz
8
Total Core Count
16
10
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
15.0
Multiplier
20
112 KB per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
10 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5
Depends on motherboard-5600
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
-
Max Memory Size
128 GB
2
Max Memory Channels
2
120 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
No
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Max Dynamic Frequency
2250 MHz
Miscellaneous
4
PCIe Version
5.0
12
PCIe Lanes
28
