Intel Core i7 1255U vs Intel Core Ultra 7 265U
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
265U
Integrated Graphics
Iris Xe Graphics (96EU)
Arc Graphics (4-Cores)
Package
Manufacturing Process
10 nm
3 nm
Socket
BGA-1744
FCBGA-2049
Power Consumption
12-15 W
12-15 W
Max Turbo Power Consumption
55 W
57 W
Peak Operating Temperature
100°C
110 °C
CPU Performance
Performance Cores
2
2
Performance Core Threads
4
4
Performance Core Base Frequency
1.7 GHz
2.1 GHz
Performance Core Turbo Frequency
4.7 GHz
5.3 GHz
Efficiency Cores
8
10
Efficiency Core Threads
8
10
Efficiency Core Base Frequency
1.2 GHz
1.7 GHz
Efficiency Core Turbo Frequency
3.5 GHz
4.2 GHz
Total Core Count
10
12
Total Thread Count
12
14
Bus Frequency
100 MHz
100 MHz
Multiplier
17x
21
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
12 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
64 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
—
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1250 MHz
2100 MHz
Shader Units
768
—
Texture Units
48
—
Raster Operation Units
24
—
Execution Units
96
—
Power Consumption
15 W
—
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,701
1,820
Cinebench R23
8,233
12,311
Geekbench 6
2,248
2,599
Geekbench 5
1,628
—
Geekbench 6
7,162
11,234
Geekbench 5
7,372
—
Blender
125
—
Passmark CPU
3,308
—
Passmark CPU
13,792
—
Cinebench 2024
—
102
Cinebench 2024
—
597
▲ Specs Compare
Data sourced from official specifications and benchmark tests.