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Intel Core Ultra 5 125U vs Intel Core Ultra 5 135U: Comparison
Core Ultra 5 125U vs Core Ultra 5 135U: the p-core boost clock difference
The first real difference is p-core boost clock: Core Ultra 5 125U 4.3 GHz against Core Ultra 5 135U 4.4 GHz. They differ on p-core base clock too, 1.3 GHz on the Core Ultra 5 125U versus 1.6 GHz on the Core Ultra 5 135U.
Who each one is for
The Core Ultra 5 125U is the one to take for everyday laptop computing and on-device AI features, though it is not the pick for gaming laptops and heavy sustained workloads. The Core Ultra 5 135U suits everyday laptop computing and on-device AI features, though it is the wrong buy for gaming laptops and heavy sustained workloads. Our rating of the Core Ultra 5 125U (7.9/10): the Intel Core Ultra 5 125U is a efficiency-oriented Meteor Lake mobile chip, well suited to thin-and-light everyday laptops. Our rating of the Core Ultra 5 135U (7.9/10): the Intel Core Ultra 5 135U is a efficiency-oriented Meteor Lake mobile chip, well suited to thin-and-light everyday laptops.
Where the two are identical
Everything else lines up. Total cores, performance cores, efficiency cores, total threads and tdp read the same on both, so those are not worth weighing. They match on 13 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Core Ultra 5 125U and Core Ultra 5 135U?
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 125U
- Laptop
- Intel Core Ultra 5 135U
- Laptop
Codename
- Intel Core Ultra 5 125U
- Meteor Lake
- Intel Core Ultra 5 135U
- Meteor Lake
Release Year
- Intel Core Ultra 5 125U
- 2023
- Intel Core Ultra 5 135U
- 2023
TDP
- Intel Core Ultra 5 125U
- 15 W
- Intel Core Ultra 5 135U
- 15 W
iGPU
- Intel Core Ultra 5 125U
- Intel Graphics
- Intel Core Ultra 5 135U
- Intel Graphics
Market Segment
- Intel Core Ultra 5 125U
- Laptop
- Intel Core Ultra 5 135U
- Laptop
Microarchitecture
- Intel Core Ultra 5 125U
- Meteor Lake
- Intel Core Ultra 5 135U
- Meteor Lake
Socket
- Intel Core Ultra 5 125U
- FCBGA2049
- Intel Core Ultra 5 135U
- FCBGA2049
Process Node
- Intel Core Ultra 5 125U
- 4 nm
- Intel Core Ultra 5 135U
- 4 nm
Total Cores
- Intel Core Ultra 5 125U
- 12
- Intel Core Ultra 5 135U
- 12
Performance Cores
- Intel Core Ultra 5 125U
- 2
- Intel Core Ultra 5 135U
- 2
Efficiency Cores
- Intel Core Ultra 5 125U
- 10
- Intel Core Ultra 5 135U
- 10
Total Threads
- Intel Core Ultra 5 125U
- 14
- Intel Core Ultra 5 135U
- 14
SMT Enabled
- Intel Core Ultra 5 125U
- Yes
- Intel Core Ultra 5 135U
- Yes
P-Core Base Clock
- Intel Core Ultra 5 125U
- 1.3 GHz
- Intel Core Ultra 5 135U
- 1.6 GHz
P-Core Boost Clock
- Intel Core Ultra 5 125U
- 4.3 GHz
- Intel Core Ultra 5 135U
- 4.4 GHz
L3 Cache
- Intel Core Ultra 5 125U
- 12 MB
- Intel Core Ultra 5 135U
- 12 MB
Base Power
- Intel Core Ultra 5 125U
- 15 W
- Intel Core Ultra 5 135U
- 15 W
Max Turbo Power
- Intel Core Ultra 5 125U
- 57 W
- Intel Core Ultra 5 135U
- 57 W
Memory Type
- Intel Core Ultra 5 125U
- DDR5, LPDDR5/X
- Intel Core Ultra 5 135U
- DDR5, LPDDR5/X
Integrated Graphics
- Intel Core Ultra 5 125U
- Yes
- Intel Core Ultra 5 135U
- Yes
NPU Peak TOPS
- Intel Core Ultra 5 125U
- 11 TOPS (NPU 3)
- Intel Core Ultra 5 135U
- 11 TOPS (NPU 3)
Which one should you pick?
Choose 125U if you want the higher L3 cache (12 MB vs 12 MB).
Choose 135U if you already have it on hand or find it at a lower price.
Verdict
Intel Core Ultra 5 125U
7.9 / 10 Expert Rating
The Intel Core Ultra 5 125U is a efficiency-oriented Meteor Lake mobile chip, well suited to thin-and-light everyday laptops.
Intel Core Ultra 5 135U
7.9 / 10 Expert Rating
The Intel Core Ultra 5 135U is a efficiency-oriented Meteor Lake mobile chip, well suited to thin-and-light everyday laptops.