Intel Core Ultra 5 135H vs Intel Core i7 1255U
We compared two laptop CPUs: Intel Core Ultra 5 135H with 14 cores 1.7GHz and Intel Core i7 1255U with 10 cores 1.7GHz . 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
Released 1 years and 10 months late
Better graphics card performance
Higher specification of memory (7467 vs 5200)
Larger memory bandwidth (120GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (18MB vs 12MB)
More modern manufacturing process (7nm vs 10nm)
Intel Core i7 1255U 's Advantages
Lower TDP (15W vs 65W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 5 135H
1715
Intel Core i7 1255U
1701
Cinebench R23 Multi Core
Intel Core Ultra 5 135H
+73%
14306
Intel Core i7 1255U
8233
Geekbench 6 Single Core
Intel Core Ultra 5 135H
+4%
2338
Intel Core i7 1255U
2248
Geekbench 6 Multi Core
Intel Core Ultra 5 135H
+64%
11796
Intel Core i7 1255U
7162
Passmark CPU Single Core
Intel Core Ultra 5 135H
+10%
3667
Intel Core i7 1255U
3308
Passmark CPU Multi Core
Intel Core Ultra 5 135H
+76%
24283
Intel Core i7 1255U
13792
General Parameters
Dec 2023
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Meteor Lake
Core Architecture
Alder Lake
135H
Processor Number
i7-1255U
FCBGA-2049
Socket
BGA-1744
Arc Graphics (7-Cores)
Integrated Graphics
Iris Xe Graphics (96EU)
Ultra 5 (Meteor Lake)
Generation
-
Package
7 nm
Manufacturing Process
10 nm
20-65 W
Power Consumption
12-15 W
115 W
Max Turbo Power Consumption
55 W
110°C
Peak Operating Temperature
100°C
Intel
Foundry
-
CPU Performance
4
Performance Cores
2
8
Performance Core Threads
4
1.7 GHz
Performance Core Base Frequency
1.7 GHz
4.6 GHz
Performance Core Turbo Frequency
4.7 GHz
10
Efficiency Cores
8
10
Efficiency Core Threads
8
1.2 GHz
Efficiency Core Base Frequency
1.2 GHz
3.6 GHz
Efficiency Core Turbo Frequency
3.5 GHz
14
Total Core Count
10
18
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
17x
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
1280 K 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
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
96 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
120 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
2200 MHz
GPU Max Dynamic Frequency
1250 MHz
112
Shader Units
768
7
Texture Units
48
4
Raster Operation Units
24
7
Execution Units
96
-
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
-
4.92 TFLOPS
Graphics Performance
1.69 TFLOPS
