IntelExcellentMobile/Embedded

Intel Core Ultra 7 255H

Explore Intel Core Ultra 7 255H technical reviews, specifications and benchmark results, with practical context for performance, AI capability and platform comparisons.

Last updated: 2026-10-20
8.5/ 10
Technical rating

Excellent

Intel Core Ultra 7 255H is a Mobile/Embedded processor with 16 cores and 0 threads. It records a PassMark CPU Mark of 30784 and a single-thread rating of 4310. Its stated TDP is 28 W.

CPU Mark30,784
2,272 samples
Single Thread4,310
Overall rank#544
of 6,054
Reference price—

Technical assessment

A summary based on specifications and results.

Excellent
8.5Excellent

Intel Core Ultra 7 255H is a Mobile/Embedded processor with 16 cores and 0 threads. It records a PassMark CPU Mark of 30784 and a single-thread rating of 4310. Its stated TDP is 28 W.

Specification context

What do these specifications mean in practice?

The Intel Core Ultra 7 255H is a Mobile/Embedded released in 2025. Recorded specifications include a 28 W reference TDP, a 30,784 CPU Mark. Use these figures to understand its position, then compare the results with your software and the complete platform.

Reading guide

Read the performance results

The 30,784 CPU Mark is a broad overall-performance measure, while the 4,310 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: DDR5-6400. The 28 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 Ultra 7 255H specifications?

The main recorded details are a 28 W reference TDP, a 30,784 CPU Mark. The tables on this page show socket, memory, cache and graphics data when available.

Is the Intel Core Ultra 7 255H 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 Ultra 7 255H?

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 Ultra 7 255H use?

The recorded reference TDP is 28 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.

5 CPU

Overall and multi-core performance

A higher CPU Mark indicates stronger overall performance.

01Intel Core i7-13700EIntel32,759 points
02Intel Core 5 221EIntel30,799 points
03Intel Core Ultra 7 255HThis CPU30,784 points
04Intel Core i9-14901EIntel30,298 points
05Intel Core 7 251TEIntel30,022 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01Intel Core i9-14901EIntel4,354 points
02Intel Core Ultra 7 255HThis CPU4,310 points
03Intel Core 5 221EIntel4,037 points
04Intel Core 7 251TEIntel3,568 points
05Intel Core i7-13700EIntel3,188 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01Intel Core Ultra 7 255HThis CPU1,099.4 Mark/W
02Intel Core 7 251TEIntel667.2 Mark/W
03Intel Core i7-13700EIntel504.0 Mark/W
04Intel Core 5 221EIntel473.8 Mark/W
05Intel Core i9-14901EIntel466.1 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

Data CompressionKBytes/Sec
299,948.00
Data EncryptionMBytes/Sec
23,445.00
Extended InstructionsMillion Matrices/Sec
23,863.00
Find Prime NumbersMillion Primes/Sec
304.00
Floating Point MathMOps/Sec
98,957.00
Integer MathMOps/Sec
78,133.00
PhysicsFrames/Sec
2,247.00
Random String SortingThousand Strings/Sec
36,200.00

Core specifications

BrandIntel
CategoryMobile/Embedded
Release year2025
Socket—
Cores / threads16 / —
Base clock—
Max turbo—
TDP28 W
Integrated graphics—

Memory support

LPDDR5
Memory typeLPDDR5 / DDR5
Official speedDDR5-6400
Maximum capacity128 GB

Cache hierarchy

L1I6 x 64 KB
L1D6 x 48 KB
L26 x 3072 KB
L324 MB