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Intel Core Ultra 7 155U vs Intel Core Ultra 7 265HX: Comparison
Core Ultra 7 155U vs Core Ultra 7 265HX: the l3 cache difference
On l3 cache the spread is 60%, Core Ultra 7 155U 12 MB against Core Ultra 7 265HX 30 MB, so Core Ultra 7 265HX takes it. Measured rather than claimed: in Geekbench 6 (Multi-Core) the Core Ultra 7 265HX returns 17,326 against 9,292, a 46% lead. They differ on tdp too, 15 W on the Core Ultra 7 155U versus 55 W on the Core Ultra 7 265HX. There is a split on socket as well, FCBGA2049 on the Core Ultra 7 155U versus FCBGA2114 on the Core Ultra 7 265HX.
Core Ultra 7 155U vs Core Ultra 7 265HX: which one fits your build
The Core Ultra 7 155U is the one to take for everyday laptop computing and on-device AI features, though it is not built for gaming laptops and heavy sustained workloads. The Core Ultra 7 265HX suits high-end gaming laptops and mobile content creation, though it is not the pick for thin-and-light laptops and battery-life-focused use. Our rating of the Core Ultra 7 155U (7.9/10): the Intel Core Ultra 7 155U is a efficiency-oriented Meteor Lake mobile chip, well suited to thin-and-light everyday laptops. Our rating of the Core Ultra 7 265HX (8.8/10): the Intel Core Ultra 7 265HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP.
Where the two are identical
Everything else lines up. Integrated graphics, form factor, igpu and market segment read the same on both, so those are not worth weighing.
Frequently asked questions
Do the Core Ultra 7 155U and Core Ultra 7 265HX differ on total cores?
Yes. Total Cores reads 12 on the Core Ultra 7 155U versus 20 on the Core Ultra 7 265HX.
Specs and benchmarks
Form Factor
- Intel Core Ultra 7 155U
- Laptop
- Intel Core Ultra 7 265HX
- Laptop
Codename
- Intel Core Ultra 7 155U
- Meteor Lake
- Intel Core Ultra 7 265HX
- Arrow Lake
Release Year
- Intel Core Ultra 7 155U
- 2023
- Intel Core Ultra 7 265HX
- 2025
TDP
- Intel Core Ultra 7 155U
- 15 W
- Intel Core Ultra 7 265HX
- 55 W
iGPU
- Intel Core Ultra 7 155U
- Intel Graphics
- Intel Core Ultra 7 265HX
- Intel Graphics
Market Segment
- Intel Core Ultra 7 155U
- Laptop
- Intel Core Ultra 7 265HX
- Laptop
Microarchitecture
- Intel Core Ultra 7 155U
- Meteor Lake
- Intel Core Ultra 7 265HX
- Arrow Lake-HX
Socket
- Intel Core Ultra 7 155U
- FCBGA2049
- Intel Core Ultra 7 265HX
- FCBGA2114
Process Node
- Intel Core Ultra 7 155U
- 4 nm
- Intel Core Ultra 7 265HX
- 3 nm
Total Cores
- Intel Core Ultra 7 155U
- 12
- Intel Core Ultra 7 265HX
- 20Best
Performance Cores
- Intel Core Ultra 7 155U
- 2
- Intel Core Ultra 7 265HX
- 8Best
Efficiency Cores
- Intel Core Ultra 7 155U
- 10
- Intel Core Ultra 7 265HX
- 12Best
Total Threads
- Intel Core Ultra 7 155U
- 14
- Intel Core Ultra 7 265HX
- 20Best
SMT Enabled
- Intel Core Ultra 7 155U
- Yes
- Intel Core Ultra 7 265HX
- No
P-Core Base Clock
- Intel Core Ultra 7 155U
- 1.7 GHz
- Intel Core Ultra 7 265HX
- 2.6 GHz
P-Core Boost Clock
- Intel Core Ultra 7 155U
- 4.8 GHz
- Intel Core Ultra 7 265HX
- 5.3 GHz
L3 Cache
- Intel Core Ultra 7 155U
- 12 MB-60%
- Intel Core Ultra 7 265HX
- 30 MBBest
Base Power
- Intel Core Ultra 7 155U
- 15 W
- Intel Core Ultra 7 265HX
- 55 W
Max Turbo Power
- Intel Core Ultra 7 155U
- 57 W
- Intel Core Ultra 7 265HX
- 160 W
Memory Type
- Intel Core Ultra 7 155U
- DDR5, LPDDR5/X
- Intel Core Ultra 7 265HX
- DDR5
Integrated Graphics
- Intel Core Ultra 7 155U
- Yes
- Intel Core Ultra 7 265HX
- Yes
NPU Peak TOPS
- Intel Core Ultra 7 155U
- 11 TOPS (NPU 3)
- Intel Core Ultra 7 265HX
- 13 TOPS (NPU 3)
Benchmarks
- General CPU
Geekbench 6 (Multi-Core)
- Intel Core Ultra 7 155U
- 9,292-46%
- Intel Core Ultra 7 265HX
- 17,326Best
Everyday tasks like photo editing, compression and compiling, run on all cores.
Which one should you pick?
Choose 155U if you already have it on hand or find it at a lower price.
Choose 265HX if you want the higher L3 cache (30 MB vs 12 MB) and the higher geekbench 6 (Multi-Core) (17,326 vs 9,292).
Verdict
Intel Core Ultra 7 155U
7.9 / 10 Expert Rating
The Intel Core Ultra 7 155U is a efficiency-oriented Meteor Lake mobile chip, well suited to thin-and-light everyday laptops.
Intel Core Ultra 7 265HX
8.8 / 10 Expert Rating
The Intel Core Ultra 7 265HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP.
More comparisons in Processors (CPUs)
- Intel Core Ultra 7 155H vs Intel Core Ultra 7 155U
- Intel Core Ultra 7 265HX vs Intel Core Ultra 9 275HX
- Intel Core Ultra 7 255HX vs Intel Core Ultra 7 265HX
- Intel Core Ultra 7 265HX vs Intel Core Ultra 9 288V
- Intel Core Ultra 7 155U vs Intel Core Ultra 7 268V
- Intel Core Ultra 5 336H vs Intel Core Ultra 7 265HX