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Intel Core i5-1240U vs Intel Core i5-1335U: Comparison
What is the difference between Core i5-1240U and Core i5-1335U?
They are built to different briefs, and p-core boost clock shows it, Core i5-1240U 4.4 GHz against Core i5-1335U 4.6 GHz. They differ on microarchitecture too, Alder Lake on the Core i5-1240U versus Raptor Lake on the Core i5-1335U. There is a split on base power as well, 9 W on the Core i5-1240U versus 15 W on the Core i5-1335U. Max turbo power is not the same on both, 29 W on the Core i5-1240U versus 55 W on the Core i5-1335U. There is a split on memory type as well, LPDDR5, LPDDR4x on the Core i5-1240U versus DDR5, DDR4, LPDDR5/x, LPDDR4x on the Core i5-1335U.
Which should you buy, Core i5-1240U or Core i5-1335U?
Buy the Core i5-1240U for ultra-thin laptops and business laptops, though it is the wrong buy for gaming laptops and heavy sustained workloads. The Core i5-1335U is the one to take for ultra-thin laptops and business laptops, though it is not built for gaming laptops and heavy sustained workloads. Our rating of the Core i5-1240U (7.7/10): the Intel Core i5-1240U prioritizes battery life and portability, fitting thin business and everyday laptops. Our rating of the Core i5-1335U (7.7/10): the Intel Core i5-1335U prioritizes battery life and portability, fitting thin business and everyday laptops.
Where the two are identical
Everything else lines up. Total cores, performance cores, efficiency cores, total threads and l3 cache read the same on both, so those are not worth weighing. They match on 5 further specifications as well.
Frequently asked questions
Do the Core i5-1240U and Core i5-1335U differ on p-core base clock?
Yes. P-Core Base Clock reads 1.1 GHz on the Core i5-1240U versus 1.3 GHz on the Core i5-1335U.
Is the Integrated Graphics the same on the Core i5-1240U and Core i5-1335U?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- Intel Core i5-1240U
- Laptop
- Intel Core i5-1335U
- Laptop
Codename
- Intel Core i5-1240U
- Alder Lake
- Intel Core i5-1335U
- Raptor Lake
Release Year
- Intel Core i5-1240U
- 2022
- Intel Core i5-1335U
- 2023
TDP
- Intel Core i5-1240U
- 9 W
- Intel Core i5-1335U
- 15 W
iGPU
- Intel Core i5-1240U
- Intel Iris Xe Graphics
- Intel Core i5-1335U
- Intel Iris Xe Graphics
Market Segment
- Intel Core i5-1240U
- Laptop
- Intel Core i5-1335U
- Laptop
Microarchitecture
- Intel Core i5-1240U
- Alder Lake
- Intel Core i5-1335U
- Raptor Lake
Socket
- Intel Core i5-1240U
- FCBGA1781
- Intel Core i5-1335U
- BGA 1744
Process Node
- Intel Core i5-1240U
- 7 nm
- Intel Core i5-1335U
- 7 nm
Total Cores
- Intel Core i5-1240U
- 10
- Intel Core i5-1335U
- 10
Performance Cores
- Intel Core i5-1240U
- 2
- Intel Core i5-1335U
- 2
Efficiency Cores
- Intel Core i5-1240U
- 8
- Intel Core i5-1335U
- 8
Total Threads
- Intel Core i5-1240U
- 12
- Intel Core i5-1335U
- 12
SMT Enabled
- Intel Core i5-1240U
- Yes
- Intel Core i5-1335U
- Yes
P-Core Base Clock
- Intel Core i5-1240U
- 1.1 GHz
- Intel Core i5-1335U
- 1.3 GHz
P-Core Boost Clock
- Intel Core i5-1240U
- 4.4 GHz
- Intel Core i5-1335U
- 4.6 GHz
L3 Cache
- Intel Core i5-1240U
- 12 MB
- Intel Core i5-1335U
- 12 MB
Base Power
- Intel Core i5-1240U
- 9 W
- Intel Core i5-1335U
- 15 W
Max Turbo Power
- Intel Core i5-1240U
- 29 W
- Intel Core i5-1335U
- 55 W
Memory Type
- Intel Core i5-1240U
- LPDDR5, LPDDR4x
- Intel Core i5-1335U
- DDR5, DDR4, LPDDR5/x, LPDDR4x
Integrated Graphics
- Intel Core i5-1240U
- Yes
- Intel Core i5-1335U
- Yes
Which one should you pick?
Choose 1240U if you want the higher L3 cache (12 MB vs 12 MB).
Choose 1335U if you already have it on hand or find it at a lower price.
Verdict
Intel Core i5-1240U
7.7 / 10 Expert Rating
The Intel Core i5-1240U prioritizes battery life and portability, fitting thin business and everyday laptops.
Intel Core i5-1335U
7.7 / 10 Expert Rating
The Intel Core i5-1335U prioritizes battery life and portability, fitting thin business and everyday laptops.