CPU

Intel Core i7 1255U

Intel Released 2022-02-01 44 Specifications

About

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.

Specifications

General Parameters
Release Date
Feb 2022
Manufacturer
Intel
Type
Laptop
Instruction Set
x86-64
Core Architecture
Alder Lake
Processor Number
i7-1255U
Integrated Graphics
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
768
Texture Units
48
Raster Operation Units
24
Execution Units
96
Power Consumption
15 W
Miscellaneous
Official Website
PCIe Version
4.0
PCIe Lanes
20

Benchmarks

Cinebench R23 Single Core 1701
Cinebench R23 Multi Core 8233
Geekbench 6 Single Core 2248
Geekbench 5 Single Core 1628
Geekbench 6 Multi Core 7162
Geekbench 5 Multi Core 7372
Blender 125
Passmark CPU Single Core 3308
Passmark CPU Multi Core 13792

Performance Ranking

Cinebench R23 Single Core
Cinebench R23 Multi Core
Passmark CPU Single Core
Passmark CPU Multi Core

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