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Intel Core Ultra 5 125UL vs Intel Core Ultra 5 135UL: Comparison
What is the difference between Core Ultra 5 125UL and Core Ultra 5 135UL?
They are built to different briefs, and p-core boost clock shows it, Core Ultra 5 125UL 4.3 GHz against Core Ultra 5 135UL 4.4 GHz. There is a split on p-core base clock as well, 1.3 GHz on the Core Ultra 5 125UL versus 1.6 GHz on the Core Ultra 5 135UL.
Which should you buy, Core Ultra 5 125UL or Core Ultra 5 135UL?
Buy the Core Ultra 5 125UL for embedded systems and all-in-one PCs, though it is not the pick for traditional laptop designs and maximum core-count workloads. The Core Ultra 5 135UL is the one to take for embedded systems and all-in-one PCs, though it is the wrong buy for traditional laptop designs and maximum core-count workloads. Our rating of the Core Ultra 5 125UL (8/10): 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. Our rating of the Core Ultra 5 135UL (8/10): the Intel Core Ultra 5 135UL packages Intel's mobile Core Ultra silicon onto a socketed LGA platform for embedded and all-in-one system designs.
Where the two are identical
Where they agree, they agree completely, total cores, performance cores, efficiency cores, total threads and tdp included, so the decision does not turn on any of those. They match on 13 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Core Ultra 5 125UL and Core Ultra 5 135UL?
It is. Both are listed at 12 MB, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- Intel Core Ultra 5 125UL
- Embedded
- Intel Core Ultra 5 135UL
- Embedded
Codename
- Intel Core Ultra 5 125UL
- Meteor Lake
- Intel Core Ultra 5 135UL
- Meteor Lake
Release Year
- Intel Core Ultra 5 125UL
- 2024
- Intel Core Ultra 5 135UL
- 2024
TDP
- Intel Core Ultra 5 125UL
- 15 W
- Intel Core Ultra 5 135UL
- 15 W
iGPU
- Intel Core Ultra 5 125UL
- Intel Graphics
- Intel Core Ultra 5 135UL
- Intel Graphics
Market Segment
- Intel Core Ultra 5 125UL
- Embedded
- Intel Core Ultra 5 135UL
- Embedded
Microarchitecture
- Intel Core Ultra 5 125UL
- Meteor Lake
- Intel Core Ultra 5 135UL
- Meteor Lake
Socket
- Intel Core Ultra 5 125UL
- FCLGA1851
- Intel Core Ultra 5 135UL
- FCLGA1851
Process Node
- Intel Core Ultra 5 125UL
- 4 nm
- Intel Core Ultra 5 135UL
- 4 nm
Total Cores
- Intel Core Ultra 5 125UL
- 12
- Intel Core Ultra 5 135UL
- 12
Performance Cores
- Intel Core Ultra 5 125UL
- 2
- Intel Core Ultra 5 135UL
- 2
Efficiency Cores
- Intel Core Ultra 5 125UL
- 10
- Intel Core Ultra 5 135UL
- 10
Total Threads
- Intel Core Ultra 5 125UL
- 14
- Intel Core Ultra 5 135UL
- 14
SMT Enabled
- Intel Core Ultra 5 125UL
- Yes
- Intel Core Ultra 5 135UL
- Yes
P-Core Base Clock
- Intel Core Ultra 5 125UL
- 1.3 GHz
- Intel Core Ultra 5 135UL
- 1.6 GHz
P-Core Boost Clock
- Intel Core Ultra 5 125UL
- 4.3 GHz
- Intel Core Ultra 5 135UL
- 4.4 GHz
L3 Cache
- Intel Core Ultra 5 125UL
- 12 MB
- Intel Core Ultra 5 135UL
- 12 MB
Base Power
- Intel Core Ultra 5 125UL
- 15 W
- Intel Core Ultra 5 135UL
- 15 W
Max Turbo Power
- Intel Core Ultra 5 125UL
- 57 W
- Intel Core Ultra 5 135UL
- 57 W
Memory Type
- Intel Core Ultra 5 125UL
- DDR5
- Intel Core Ultra 5 135UL
- DDR5
Integrated Graphics
- Intel Core Ultra 5 125UL
- Yes
- Intel Core Ultra 5 135UL
- Yes
NPU Peak TOPS
- Intel Core Ultra 5 125UL
- 11 TOPS (NPU 3)
- Intel Core Ultra 5 135UL
- 11 TOPS (NPU 3)
Which one should you pick?
Choose 125UL if you want the higher L3 cache (12 MB vs 12 MB).
Choose 135UL if you already have it on hand or find it at a lower price.
Verdict
Intel Core Ultra 5 125UL
8 / 10 Expert Rating
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.
Intel Core Ultra 5 135UL
8 / 10 Expert Rating
The Intel Core Ultra 5 135UL packages Intel's mobile Core Ultra silicon onto a socketed LGA platform for embedded and all-in-one system designs.