Intel Core i7-1255U
Opinion and specs

Our verdict

Entry-level

The Intel Core i7-1255U is an entry-level processor. It is a low-power chip (15 W): the kind that goes into thin, quiet laptops with long battery life. It came out in 2022.

It is currently fitted in 21 laptops from €554, at an average price of €1578.

There is a faster and cheaper option: the AMD Ryzen 7 5825U is 38% faster and its entry price is €15 lower.

Frequently asked questions

Is the Intel Core i7-1255U a good processor?

The Intel Core i7-1255U is an entry-level processor. It is a low-power chip (15 W): the kind that goes into thin, quiet laptops with long battery life. It ranks 183 of 248 and delivers 20.7% of what the fastest one on the market does.

What does the U mean in Intel processors?

The U marks Intel's low-power line: 15 W, for thin, quiet laptops with longer battery life.

What year is the Intel Core i7-1255U from?

Intel Core i7-1255U came out in 2022.

What is the AMD equivalent of Intel Core i7-1255U?

The closest in performance is AMD Ryzen AI 5 330.

What integrated graphics does the Intel Core i7-1255U have?

The Intel Core i7-1255U has Intel Iris Xe Graphics integrated graphics.

How much does a laptop with the Intel Core i7-1255U cost?

It is currently fitted in 21 laptops from €554, at an average price of €1578.

Which alternative is worth it?

There is a faster and cheaper option: the AMD Ryzen 7 5825U is 38% faster and its entry price is €15 lower.

Specs

Model i7-1255U
Manufacturer Intel
Family Intel® Core™ i7
Socket BGA 1744
Motherboard chipset Intel SoC
Boost frequency 4,7 GHz
Cores 10
Number of processors supported 1
Threads 12
Frequency 1,7 GHz
Cache 12 MB
Codename Alder Lake
Configurable TDP-down 12 W
Tjunction 100 °C
Cache type Smart Cache
Generation 12th gen Intel® Core™ i7
Base power 15 W
Maximum turbo power 55 W
Efficient-core base frequency 1,5 GHz
Efficient-core boost frequency 3,5 GHz
Performance-core base frequency 2,1 GHz
Efficient-core Max Turbo Frequency 3,5 GHz
Performance-core Max Turbo Frequency 4,7 GHz
Performance cores 2
Efficient cores 8
Performance-core boost frequency 4,7 GHz
Low Power Efficient-core Max Turbo Frequency 1,7 GHz

Performance summary

#183 of 248
Relative performance 20.7%
Laptops 21
Price from €554
Average price €1578

Recommended alternatives

More powerful, also low-power, with a similar starting price

Our pick AMD Ryzen 7 5825U 28.5% From €540 Intel Core Ultra 7 255U 28.6% From €755 AMD Ryzen 5 7535U 26.7% From €613 Qualcomm Snapdragon X - X126100 26.3% From €649 AMD Ryzen 7 5700U 24.6% From €590

Laptops with Intel Core i7-1255U:

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