Intel Core Ultra 5 135H vs Intel Core Ultra 7 255U
We compared two laptop CPUs: Intel Core Ultra 5 135H with 14 cores 1.7GHz and Intel Core Ultra 7 255U with 12 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 135H 's Advantages
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (18MB vs 12MB)
Intel Core Ultra 7 255U 's Advantages
Released 1 years and 1 months late
Higher specification of memory (8400 vs 7467)
Higher base frequency (2.0GHz vs 1.7GHz)
More modern manufacturing process (3nm vs 7nm)
Lower TDP (15W vs 65W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 5 135H
1715
Intel Core Ultra 7 255U
+5%
1803
Cinebench R23 Multi Core
Intel Core Ultra 5 135H
+20%
14306
Intel Core Ultra 7 255U
11888
Geekbench 6 Single Core
Intel Core Ultra 5 135H
2338
Intel Core Ultra 7 255U
+10%
2582
Geekbench 6 Multi Core
Intel Core Ultra 5 135H
+7%
11796
Intel Core Ultra 7 255U
10941
Cinebench 2024 Single Core
Intel Core Ultra 5 135H
100
Intel Core Ultra 7 255U
+1%
101
Cinebench 2024 Multi Core
Intel Core Ultra 5 135H
+44%
847
Intel Core Ultra 7 255U
588
General Parameters
Dec 2023
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Meteor Lake
Core Architecture
Arrow Lake
135H
Processor Number
255U
FCBGA-2049
Socket
FCBGA-2049
Arc Graphics (7-Cores)
Integrated Graphics
Arc Graphics (4-Cores)
Ultra 5 (Meteor Lake)
Generation
-
Package
7 nm
Manufacturing Process
3 nm
20-65 W
Power Consumption
12-15 W
115 W
Max Turbo Power Consumption
57 W
110°C
Peak Operating Temperature
110 °C
Intel
Foundry
-
CPU Performance
4
Performance Cores
2
8
Performance Core Threads
4
1.7 GHz
Performance Core Base Frequency
2.0 GHz
4.6 GHz
Performance Core Turbo Frequency
5.2 GHz
10
Efficiency Cores
10
10
Efficiency Core Threads
10
1.2 GHz
Efficiency Core Base Frequency
1.7 GHz
3.6 GHz
Efficiency Core Turbo Frequency
4.2 GHz
14
Total Core Count
12
18
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
20
112 K per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
18 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
LPDDR5-7467, LPDDR5x-7467, DDR5-5600
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
96 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
120 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
2200 MHz
GPU Max Dynamic Frequency
2100 MHz
112
Shader Units
-
7
Texture Units
-
4
Raster Operation Units
-
7
Execution Units
-
7680x4320 - 60 Hz
Max Resolution
-
4.92 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
4.0
28
PCIe Lanes
20
