Technical assessment
A summary based on specifications and results.
6.4Good
Intel Core i7-1255U is a Laptop processor with 10 cores and 0 threads. It records a PassMark CPU Mark of 12927 and a single-thread rating of 3142. Its stated TDP is 15 W.
IntelGoodLaptop
Intel Core i7-1255U
Explore Intel Core i7-1255U technical reviews, specifications and benchmark results, with practical context for laptop performance, efficiency and upgrade research.
Last updated: 2026-10-206.4/ 10
Technical rating
Good
Intel Core i7-1255U is a Laptop processor with 10 cores and 0 threads. It records a PassMark CPU Mark of 12927 and a single-thread rating of 3142. Its stated TDP is 15 W.
CPU Mark12,927
4,807 samples
Single Thread3,142
Overall rank#1,526
of 6,054
Reference price$426.00
Good
Specification context
What do these specifications mean in practice?
The Intel Core i7-1255U is a Laptop released in 2022. Recorded specifications include a 15 W reference TDP, a 12,927 CPU Mark. Use these figures to understand its position, then compare the results with your software and the complete platform.
Read the performance results
The 12,927 CPU Mark is a broad overall-performance measure, while the 3,142 single-thread result adds context for less-parallel work. Compare the nearby alternatives on this page and do not treat one score as a verdict for every application.
Platform and compatibility
No confirmed socket is recorded for this processor. Verify the exact device or motherboard with the manufacturer before planning an upgrade.
Memory and power
Recorded memory support: DDR5-4800. The 15 W TDP helps size the cooling class, but it is not the same as peak wall-power consumption.
FAQ
Common processor questions
What are the key Intel Core i7-1255U specifications?
The main recorded details are a 15 W reference TDP, a 12,927 CPU Mark. The tables on this page show socket, memory, cache and graphics data when available.
Is the Intel Core i7-1255U good for gaming?
The product name or CPU Mark alone cannot answer that. Check single-thread performance, core count, the target graphics card, gaming resolution and results from the games you play.
Which motherboards support the Intel Core i7-1255U?
A confirmed socket is not recorded here. Use the device model or manufacturer specifications to identify compatible hardware.
How much power does the Intel Core i7-1255U use?
The recorded reference TDP is 15 W. Real consumption can be lower or higher depending on power limits, motherboard, workload and cooling.
This guidance interprets recorded specifications and results; it does not claim hands-on device testing. Results can vary with motherboard, power, memory and cooling.
Multi-axis comparison
How does this processor compare?
A direct comparison with nearby processors from the same brand and a similar core count.
Overall and multi-core performance
A higher CPU Mark indicates stronger overall performance.
01AMD Ryzen AI 5 430AMD13,005 points
02Intel Core i7-1265UIntel13,003 points
03Intel Core i5-1334UIntel12,976 points
04Intel Core i7-1255UThis CPU12,927 points
05AMD Ryzen 5 4600UAMD12,800 points
Single-thread performance
Measures speed in tasks that depend on one CPU thread.
01AMD Ryzen AI 5 430AMD3,603 points
02Intel Core i5-1334UIntel3,227 points
03Intel Core i7-1255UThis CPU3,142 points
04Intel Core i7-1265UIntel3,102 points
05AMD Ryzen 5 4600UAMD2,331 points
Performance per watt
Estimated as CPU Mark divided by TDP.
01Intel Core i7-1265UIntel866.9 Mark/W
02Intel Core i5-1334UIntel865.1 Mark/W
03Intel Core i7-1255UThis CPU861.8 Mark/W
04AMD Ryzen 5 4600UAMD853.3 Mark/W
Bars are relative to the processors shown here, not a global ranking of every CPU.
Detailed benchmark results
Snapshot from 2026-10-20
Core specifications
| Brand | Intel |
|---|---|
| Category | Laptop |
| Release year | 2022 |
| Socket | — |
| Cores / threads | 10 / — |
| Base clock | — |
| Max turbo | — |
| TDP | 15 W |
| Integrated graphics | Intel Iris Xe Graphics |
Memory support
| Memory type | DDR4 / DDR5 |
|---|---|
| Official speed | DDR4-3200 / DDR5-4800 |
| Maximum capacity | 64 GB |
Cache hierarchy
L1I2 x 32 KB
L1D2 x 48 KB
L22 x 1280 KB
L312 MB