Intel Core i7 1255U
The Intel Core i7 1255U is a laptop-class CPU manufactured by Intel, built on Intel's officially announced 10 nm process technology, released in February 2022. This processor features a 10-core 12-thread architecture design, with a base clock of 300 MHz and a maximum boost clock reaching up to 3.5 GHz, equipped with 12 MB shared of L3 cache, utilizing the BGA-1744 socket. Overall specifications are targeted at laptop application scenarios.
Processor Number
i7-1255U
Core Architecture
Alder Lake
Performance Core Threads
4
Max Turbo Power Consumption
55 W
Performance Core Base Frequency
1.7 GHz
Power Consumption
12-15 W
L1 Cache
80 K per core
Socket
BGA-1744
Max Memory Size
64 GB
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Bandwidth
76.8 GB/s
Shader Units
768
General Parameters
Release Date
Feb 2022
Manufacturer
Intel
Type
Laptop
Instruction Set
i
x86-64
Core Architecture
Alder Lake
Processor Number
i7-1255U
Integrated Graphics
i
Iris Xe Graphics (96EU)
Package
Manufacturing Process
10 nm
Socket
BGA-1744
Power Consumption
12-15 W
Max Turbo Power Consumption
55 W
Peak Operating Temperature
100°C
CPU Performance
Performance Cores
2
Performance Core Threads
4
Performance Core Base Frequency
1.7 GHz
Performance Core Turbo Frequency
4.7 GHz
Efficiency Cores
8
Efficiency Core Threads
8
Efficiency Core Base Frequency
1.2 GHz
Efficiency Core Turbo Frequency
3.5 GHz
Total Core Count
10
Total Thread Count
12
Bus Frequency
100 MHz
Multiplier
17x
L1 Cache
80 K per core
L2 Cache
1280 K per core
L3 Cache
12 MB shared
Unlocked Multiplier
No
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
64 GB
Max Memory Channels
2
Max Memory Bandwidth
76.8 GB/s
ECC Memory Support
No
Graphics Card Parameters
Integrated Graphics
true
GPU Base Frequency
300 MHz
GPU Max Dynamic Frequency
1250 MHz
Shader Units
i
768
Texture Units
i
48
Raster Operation Units
i
24
Execution Units
96
Power Consumption
15 W