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Intel Core i7-1265U vs Intel Core i7-1355U: Comparison
What is the difference between Core i7-1265U and Core i7-1355U?
They are built to different briefs, and p-core boost clock shows it, Core i7-1265U 4.8 GHz against Core i7-1355U 5.0 GHz. There is a split on p-core base clock as well, 1.8 GHz on the Core i7-1265U versus 1.7 GHz on the Core i7-1355U. They differ on socket too, FCBGA1744 on the Core i7-1265U versus BGA 1744 on the Core i7-1355U. Release year is not the same on both, 2022 on the Core i7-1265U versus 2023 on the Core i7-1355U. They differ on microarchitecture too, Alder Lake on the Core i7-1265U versus Raptor Lake on the Core i7-1355U. Memory type is not the same on both, DDR5, DDR4, LPDDR5, LPDDR4x on the Core i7-1265U versus DDR5, DDR4, LPDDR5/x, LPDDR4x on the Core i7-1355U.
Who each one is for
Buy the Core i7-1265U for ultra-thin laptops and business laptops, though it is the wrong buy for gaming laptops and heavy sustained workloads. The Core i7-1355U suits ultra-thin laptops and business laptops, though it is not the pick for gaming laptops and heavy sustained workloads. Our rating of the Core i7-1265U (7.7/10): the Intel Core i7-1265U prioritizes battery life and portability, fitting thin business and everyday laptops rather than performance-first designs. Our rating of the Core i7-1355U (7.7/10): the Intel Core i7-1355U prioritizes battery life and portability, fitting thin business and everyday laptops rather than performance-first designs.
What Core i7-1265U and Core i7-1355U have in common
The common ground is wider than the gap: total cores, performance cores, efficiency cores, total threads and tdp are identical here. They match on 8 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Core i7-1265U and Core i7-1355U?
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 i7-1265U
- Laptop
- Intel Core i7-1355U
- Laptop
Codename
- Intel Core i7-1265U
- Alder Lake
- Intel Core i7-1355U
- Raptor Lake
Release Year
- Intel Core i7-1265U
- 2022
- Intel Core i7-1355U
- 2023
TDP
- Intel Core i7-1265U
- 15 W
- Intel Core i7-1355U
- 15 W
iGPU
- Intel Core i7-1265U
- Intel Iris Xe Graphics
- Intel Core i7-1355U
- Intel Iris Xe Graphics
Market Segment
- Intel Core i7-1265U
- Laptop
- Intel Core i7-1355U
- Laptop
Microarchitecture
- Intel Core i7-1265U
- Alder Lake
- Intel Core i7-1355U
- Raptor Lake
Socket
- Intel Core i7-1265U
- FCBGA1744
- Intel Core i7-1355U
- BGA 1744 (BGA, soldered)
Process Node
- Intel Core i7-1265U
- 7 nm
- Intel Core i7-1355U
- 7 nm
Total Cores
- Intel Core i7-1265U
- 10
- Intel Core i7-1355U
- 10
Performance Cores
- Intel Core i7-1265U
- 2
- Intel Core i7-1355U
- 2
Efficiency Cores
- Intel Core i7-1265U
- 8
- Intel Core i7-1355U
- 8
Total Threads
- Intel Core i7-1265U
- 12
- Intel Core i7-1355U
- 12
SMT Enabled
- Intel Core i7-1265U
- Yes
- Intel Core i7-1355U
- Yes
P-Core Base Clock
- Intel Core i7-1265U
- 1.8 GHz
- Intel Core i7-1355U
- 1.7 GHz
P-Core Boost Clock
- Intel Core i7-1265U
- 4.8 GHz
- Intel Core i7-1355U
- 5.0 GHz
L3 Cache
- Intel Core i7-1265U
- 12 MB
- Intel Core i7-1355U
- 12 MB
Base Power
- Intel Core i7-1265U
- 15 W
- Intel Core i7-1355U
- 15 W
Max Turbo Power
- Intel Core i7-1265U
- 55 W
- Intel Core i7-1355U
- 55 W
Memory Type
- Intel Core i7-1265U
- DDR5, DDR4, LPDDR5, LPDDR4x
- Intel Core i7-1355U
- DDR5, DDR4, LPDDR5/x, LPDDR4x
Integrated Graphics
- Intel Core i7-1265U
- Yes
- Intel Core i7-1355U
- Yes
Which one should you pick?
Choose 1265U if you want the higher L3 cache (12 MB vs 12 MB).
Choose 1355U if you already have it on hand or find it at a lower price.
Verdict
Intel Core i7-1265U
7.7 / 10 Expert Rating
The Intel Core i7-1265U prioritizes battery life and portability, fitting thin business and everyday laptops rather than performance-first designs.
Intel Core i7-1355U
7.7 / 10 Expert Rating
The Intel Core i7-1355U prioritizes battery life and portability, fitting thin business and everyday laptops rather than performance-first designs.