Intel Core i7 1255U vs Category Average

Verdict

Our overall take, at a glance

Intel Core i7 1255U leads overall

Why it stands out

Core Specifications Maximum Frequency: 4.7 GHz
Core Specifications L1 Cache: 928 KB
Core Specifications Lithography Process: 7 nm

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.

Intel Core i7 1255U

The Intel Core i7 1255U is a high-efficiency mobile processor built on 12th generation architecture. It is designed for portable computing needs where optimal power consumption and balanced performance are required. This chip targets users who prioritize battery life and responsive operation in every day use case, such as general productivity or web browsing.

Best for general productivityBest for ultrabooksBest for educational use

Pros

It belongs to the Alder Lake U-series family, known for its focus on low power draw efficiency
The 12th generation architecture utilizes a hybrid core design pattern for improved efficiency and performance management
Its suitability as a mobile component allows it to provide good functionality in thin, battery-powered laptops

Cons

As a U-series chip, its peak performance output is constrained compared to higher-power (H or HX) desktop/mobile variants
It is intended for mainstream computing tasks and may struggle with sustained, heavy workloads like video rendering or complex compiling.

Source

Intel Core - WikipediaSource outlines the tiered architecture of Intel Core processors, including low-power mobile lines like Alder Lake

Video — reviews used (3)

Generated Jun 28, 2026

Performance

Higher benchmark score = faster

Intel Core i7 1255U13,899

Category Average27,522

See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature	Intel Core i7 1255U	Category Average
Cores	10	14
Threads	12	25
Base Frequency	1.2 GHz	2.7 GHz
Base Power Consumption	12 W	86 W
Maximum Frequency	4.7 GHz	4.4 GHz
Maximum Power Consumption	55 W	108 W
L1 Cache	928 KB	911.5 KB
L2 Cache	6.5 MB	397.2 MB
L3 Cache	12 MB	1,190.2 MB
Lithography Process	7 nm	9 nm
Is unlocked	No	No

Integrated Graphics

Feature	Intel Core i7 1255U	Category Average
Model	N/A	N/A

Benchmark

Feature	Intel Core i7 1255U	Category Average
PassMark CPU Mark	13,899	27,522

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Feature

Intel Core i7 1255U

Category Average

Cores

Threads

Base Frequency

1.2 GHz

2.7 GHz

Base Power Consumption

12 W

86 W

Maximum Frequency

4.7 GHz

4.4 GHz

Maximum Power Consumption

55 W

108 W

L1 Cache

928 KB

911.5 KB

L2 Cache

6.5 MB

397.2 MB

L3 Cache

12 MB

1,190.2 MB

Lithography Process

7 nm

9 nm

Is unlocked

Feature

Intel Core i7 1255U

Category Average

Model

N/A

Feature

Intel Core i7 1255U

Category Average

PassMark CPU Mark

13,899

27,522

Intel Core i7 1255U vs Category Average

Verdict

Key takeaways

In-depth analysisAI

Intel Core i7 1255U

Performance

Review Videos

Detailed Specifications

Intel Core i7 1255U vs Category Average

Verdict

Key takeaways

In-depth analysisAI

Intel Core i7 1255U

Performance

Review Videos

Detailed Specifications