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Intel Core Ultra 7 155U vs Intel Core Ultra 7 355: Comparison
Core Ultra 7 155U vs Core Ultra 7 355 total cores compared
Expect a near tie. The closest thing to a difference is total cores, Core Ultra 7 155U 12 against Core Ultra 7 355 8. The benchmark result agrees. Cinebench 2024 (Multi-Core) puts Core Ultra 7 355 15% ahead, 645 against 550. They differ on socket too, FCBGA2049 on the Core Ultra 7 155U versus FCBGA2540 on the Core Ultra 7 355. There is a split on release year as well, 2023 on the Core Ultra 7 155U versus 2026 on the Core Ultra 7 355.
Core Ultra 7 155U vs Core Ultra 7 355: 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 7 355 suits thin-and-light business and student laptops and long battery life with responsive everyday performance, though it is not the pick for heavy rendering, video export or large code builds and gaming beyond light titles at modest settings. It also earns its place with copilot+ PC and on-device AI features with a 49 TOPS NPU. It is the wrong buy for buyers who need the Arc B390 graphics of Core Ultra X chips. 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.
Where the two are identical
Everything else lines up. L3 cache, integrated graphics, form factor, igpu and market segment read the same on both, so those are not worth weighing.
Do the Core Ultra 7 155U and Core Ultra 7 355 differ on performance cores?
Yes. Performance Cores reads 2 on the Core Ultra 7 155U versus 4 on the Core Ultra 7 355.
Specs and benchmarks
Form Factor
- Intel Core Ultra 7 155U
- Laptop
- Intel Core Ultra 7 355
- Laptop
Codename
- Intel Core Ultra 7 155U
- Meteor Lake
- Intel Core Ultra 7 355
- Panther Lake
Release Year
- Intel Core Ultra 7 155U
- 2023
- Intel Core Ultra 7 355
- 2026
TDP
- Intel Core Ultra 7 155U
- 15 W
- Intel Core Ultra 7 355
- 25 W
iGPU
- Intel Core Ultra 7 155U
- Intel Graphics
- Intel Core Ultra 7 355
- Intel Graphics
Market Segment
- Intel Core Ultra 7 155U
- Laptop
- Intel Core Ultra 7 355
- Laptop
Socket
- Intel Core Ultra 7 155U
- FCBGA2049
- Intel Core Ultra 7 355
- FCBGA2540
Process Node
- Intel Core Ultra 7 155U
- 4 nm
- Intel Core Ultra 7 355
- 18 nm
Total Cores
- Intel Core Ultra 7 155U
- 12Best
- Intel Core Ultra 7 355
- 8
Performance Cores
- Intel Core Ultra 7 155U
- 2
- Intel Core Ultra 7 355
- 4Best
Efficiency Cores
- Intel Core Ultra 7 155U
- 10Best
- Intel Core Ultra 7 355
- 4
Total Threads
- Intel Core Ultra 7 155U
- 14Best
- Intel Core Ultra 7 355
- 8
SMT Enabled
- Intel Core Ultra 7 155U
- Yes
- Intel Core Ultra 7 355
- No
P-Core Base Clock
- Intel Core Ultra 7 155U
- 1.7 GHz
- Intel Core Ultra 7 355
- 2.3 GHz
P-Core Boost Clock
- Intel Core Ultra 7 155U
- 4.8 GHz
- Intel Core Ultra 7 355
- 4.7 GHz
L3 Cache
- Intel Core Ultra 7 155U
- 12 MB
- Intel Core Ultra 7 355
- 12 MB
Base Power
- Intel Core Ultra 7 155U
- 15 W
- Intel Core Ultra 7 355
- 25 W
Max Turbo Power
- Intel Core Ultra 7 155U
- 57 W
- Intel Core Ultra 7 355
- 55 W
Memory Type
- Intel Core Ultra 7 155U
- DDR5, LPDDR5/X
- Intel Core Ultra 7 355
- LPDDR5x up to 7467 MT/s, DDR5 up to 6400 MT/s
Integrated Graphics
- Intel Core Ultra 7 155U
- Yes
- Intel Core Ultra 7 355
- Yes
NPU Peak TOPS
- Intel Core Ultra 7 155U
- 11 TOPS (NPU 3)
- Intel Core Ultra 7 355
- 49 TOPS (Intel AI Boost)
Benchmarks
- General CPU
Cinebench 2024 (Multi-Core)
- Intel Core Ultra 7 155U
- 550-15%
- Intel Core Ultra 7 355
- 645Best
Renders a 3D scene on every core. Shows speed in rendering and other heavy work.
Cinebench 2024 (Single-Core)
- Intel Core Ultra 7 155U
- 98-17%
- Intel Core Ultra 7 355
- 118Best
Renders a 3D scene on one core. Shows how quick the CPU feels in everyday apps and games.
Which one should you pick?
Choose Intel Core Ultra 7 155U if you want the higher L3 cache (12 MB vs 12 MB).
Choose Intel Core Ultra 7 355 if you want the higher cinebench 2024 (Multi-Core) (645 vs 550) and the higher cinebench 2024 (Single-Core) (118 vs 98).
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.