Intel Core i7 1255U vs Intel Core Ultra 5 235HX
CPU · Specs Compare
General Parameters
Release Date
Feb 2022
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Arrow Lake
Processor Number
i7-1255U
235HX
Integrated Graphics
Iris Xe Graphics (96EU)
Graphics
Generation
—
Ultra 5 (Arrow Lake)
Package
Manufacturing Process
10 nm
3 nm
Socket
BGA-1744
FCBGA-2114
Power Consumption
12-15 W
45-55 W
Max Turbo Power Consumption
55 W
160 W
Peak Operating Temperature
100°C
105 °C
Foundry
—
Intel
Package
—
FC-LGA18V
CPU Performance
Performance Cores
2
6
Performance Core Threads
4
6
Performance Core Base Frequency
1.7 GHz
2.9 GHz
Performance Core Turbo Frequency
4.7 GHz
5.1 GHz
Efficiency Cores
8
8
Efficiency Core Threads
8
8
Efficiency Core Base Frequency
1.2 GHz
2.6 GHz
Efficiency Core Turbo Frequency
3.5 GHz
4.5 GHz
Total Core Count
10
14
Total Thread Count
12
14
Bus Frequency
100 MHz
100 MHz
Multiplier
17x
29
L1 Cache
80 K per core
112 K per core
L2 Cache
1280 K per core
2 MB per core
L3 Cache
12 MB shared
24 MB shared
Unlocked Multiplier
No
Yes
SMP
—
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
DDR5-6400
Max Memory Size
64 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
102.4 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1250 MHz
1800 MHz
Shader Units
768
—
Texture Units
48
—
Raster Operation Units
24
—
Execution Units
96
48
Power Consumption
15 W
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
24
Benchmark
Cinebench R23
1,701
2,005
Cinebench R23
8,233
19,857
Geekbench 6
2,248
3,069
Geekbench 5
1,628
—
Geekbench 6
7,162
12,142
Geekbench 5
7,372
—
Blender
125
—
Passmark CPU
3,308
—
Passmark CPU
13,792
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.