Intel

Intel Core Ultra 5 125UL

Expert rating8 / 10

Brand:: Intel
Form Factor:: Embedded
CPU Socket:: FCLGA1851
Core/Thread Count:: 12C/14T
TDP:: 15W
iGPU:: Intel Graphics
CPU Series:: Core Ultra

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Manufacturer: Intel Last updated: 2026-09-12

Intel Core Ultra 5 125UL Review

Intel Core Ultra 5 125UL 12-core 14-thread embedded/aio (lga-packaged mobile silicon) processor, 1.3GHz base / 3.9GHz boost, 45W TDP, Meteor Lake, LGA 1851 (embedded/AIO variant) socket

The Intel Core Ultra 5 125UL is an LGA-packaged variant of Intel's mobile silicon built for embedded systems and all-in-one PCs that need a socketed thermal solution. Built on Intel's Meteor Lake architecture, it pairs 12 cores and 14 threads with a 1.3GHz base clock that boosts up to 3.9GHz, an on-die NPU rated at 11 TOPS (NPU 3), and Intel Graphics (Xe-LPG) graphics, all within a 45W envelope.

Performance and Architecture

With 12 cores and 14 threads, the Intel Core Ultra 5 125UL is built on Intel's Meteor Lake generation. Its 1.3GHz base clock boosts to 3.9GHz, and its Intel Graphics (Xe-LPG) integrated graphics and 11 TOPS (NPU 3) NPU support on-device AI features alongside everyday computing and light content creation.

Platform and Efficiency

The Intel Core Ultra 5 125UL uses the LGA 1851 (embedded/AIO variant) platform in a 45W envelope, positioning it as embedded systems and all-in-one PCs that need a socketed thermal solution. Its NPU brings Copilot+ style on-device AI acceleration to supported workloads.

Comparison to Alternatives

Within the Core Ultra lineup in this catalog, the Intel Core Ultra 5 125UL sits in the 5-series tier alongside other Meteor Lake parts, differentiated mainly by clock speed, core count, and TDP. Against AMD's Ryzen AI Mobile processors in this catalog, Intel's Core Ultra competes on NPU throughput, integrated graphics, and platform efficiency, while against Intel's own prior-generation Core i mobile parts in this catalog it adds the on-die NPU and improved efficiency cores.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating8 / 10

The Intel Core Ultra 5 125UL packages Intel's mobile Core Ultra silicon onto a socketed LGA platform for embedded and all-in-one system designs.

Best for

Embedded systems
All-in-one PCs
Socketed thermal solutions for mobile silicon

Not for

Traditional laptop designs
Maximum core-count workloads
Enthusiast desktop builds

Specifications

What these specs mean

Identity

Codename	Meteor Lake
Release Year	2024

Segment and platform

Market Segment	Embedded
Microarchitecture	Meteor Lake
Socket	FCLGA1851
Process Node	4 nm

Core configuration

Total Cores	12
Performance Cores	2
Efficiency Cores	10
Total Threads	14
SMT Enabled	Yes

Clock speeds

P-Core Base Clock	1.3 GHz
P-Core Boost Clock	4.3 GHz

Cache

L3 Cache	12 MB

Power and thermal

Base Power	15 W
Max Turbo Power	57 W

Memory

Memory Type	DDR5

Graphics and AI

Integrated Graphics	Yes
NPU Peak TOPS	11 TOPS (NPU 3)

Form Factor	Embedded
TDP	15 W
iGPU	Intel Graphics

FAQs

What are the key specifications of the Intel Core Ultra 5 125UL?

The Intel Core Ultra 5 125UL has 12 cores and 14 threads, a 1.3 GHz base and 4.3 GHz boost clock, 12 MB of L3 cache and a 15 W TDP. Integrated graphics: Intel Graphics. Socket: FCLGA1851.

Will the Intel Core Ultra 5 125UL work with my current setup?

The Intel Core Ultra 5 125UL lists Socket is FCLGA1851. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the Intel Core Ultra 5 125UL best suited to?

Best suited to: Embedded systems; All-in-one PCs; Socketed thermal solutions for mobile silicon.

What are the drawbacks of the Intel Core Ultra 5 125UL?

Not the best fit for: Traditional laptop designs; Maximum core-count workloads; Enthusiast desktop builds.