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Intel Core Ultra 7 155H vs Intel Core Ultra 7 255H: Comparison
Core Ultra 7 155H vs Core Ultra 7 255H total threads compared
These two are close on paper, and total threads is the only measure that separates them at all: Core Ultra 7 155H 22 against Core Ultra 7 255H 16. Measured rather than claimed: in Cinebench 2024 (Single-Core) the Core Ultra 7 255H returns 124 against 102, a 18% lead. They differ on memory type too, DDR5, LPDDR5/X on the Core Ultra 7 155H versus LPDDR5/x up to 8400 MT/s, DDR5 up to 6400... on the Core Ultra 7 255H.
Which should you buy, Core Ultra 7 155H or Core Ultra 7 255H?
Buy the Core Ultra 7 155H 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 255H is the one to take for premium thin laptops for work and creative apps and gaming laptops paired with a dedicated GPU, though it is not the pick for copilot+ PC AI features, which need a 40+ TOPS NPU and demanding games on integrated graphics alone. It is not the one for buyers who want the longest battery life, where 200V laptops fit better. Our rating of the Core Ultra 7 155H (8.5/10): the Intel Core Ultra 7 155H is the value entry point of Intel's Core Ultra 7 H-series pair, a strong pick for premium laptops that don't need the 165H's extra clock.
Where the two are identical
Where they agree, they agree completely, total cores, performance cores, efficiency cores, tdp and l3 cache included, so the decision does not turn on any of those. They match on 9 further specifications as well.
Do the Core Ultra 7 155H and Core Ultra 7 255H differ on p-core boost clock?
Yes. P-Core Boost Clock reads 4.8 GHz on the Core Ultra 7 155H versus 5.1 GHz on the Core Ultra 7 255H.
Is the Socket the same on the Core Ultra 7 155H and Core Ultra 7 255H?
It is. Both are listed at FCBGA2049, so it is not a reason to pick one over the other.
Specs and benchmarks
Product Line
- Intel Core Ultra 7 155H
- Core Ultra
- Intel Core Ultra 7 255H
- Core Ultra 7
Form Factor
- Intel Core Ultra 7 155H
- Laptop
- Intel Core Ultra 7 255H
- Laptop
Model Number
- Intel Core Ultra 7 155H
- Ultra 7 155H
- Intel Core Ultra 7 255H
- 255H
Codename
- Intel Core Ultra 7 155H
- Meteor Lake
- Intel Core Ultra 7 255H
- Arrow Lake
Release Year
- Intel Core Ultra 7 155H
- 2023
- Intel Core Ultra 7 255H
- 2025
TDP
- Intel Core Ultra 7 155H
- 28 W
- Intel Core Ultra 7 255H
- 28 W
iGPU
- Intel Core Ultra 7 155H
- Intel Arc graphics
- Intel Core Ultra 7 255H
- Intel Arc 140T GPU
Market Segment
- Intel Core Ultra 7 155H
- Laptop
- Intel Core Ultra 7 255H
- Laptop
Microarchitecture
- Intel Core Ultra 7 155H
- Meteor Lake
- Intel Core Ultra 7 255H
- Intel Core Ultra Processors (Series 2)
Socket
- Intel Core Ultra 7 155H
- FCBGA2049
- Intel Core Ultra 7 255H
- FCBGA2049
Process Node
- Intel Core Ultra 7 155H
- 4 nm
- Intel Core Ultra 7 255H
- 3 nm
Total Cores
- Intel Core Ultra 7 155H
- 16
- Intel Core Ultra 7 255H
- 16
Performance Cores
- Intel Core Ultra 7 155H
- 6
- Intel Core Ultra 7 255H
- 6
Efficiency Cores
- Intel Core Ultra 7 155H
- 10
- Intel Core Ultra 7 255H
- 10
Total Threads
- Intel Core Ultra 7 155H
- 22Best
- Intel Core Ultra 7 255H
- 16
SMT Enabled
- Intel Core Ultra 7 155H
- Yes
- Intel Core Ultra 7 255H
- No
P-Core Base Clock
- Intel Core Ultra 7 155H
- 1.4 GHz
- Intel Core Ultra 7 255H
- 2 GHz
P-Core Boost Clock
- Intel Core Ultra 7 155H
- 4.8 GHz
- Intel Core Ultra 7 255H
- 5.1 GHz
L3 Cache
- Intel Core Ultra 7 155H
- 24 MB
- Intel Core Ultra 7 255H
- 24 MB
Base Power
- Intel Core Ultra 7 155H
- 28 W
- Intel Core Ultra 7 255H
- 28 W
Max Turbo Power
- Intel Core Ultra 7 155H
- 115 W
- Intel Core Ultra 7 255H
- 115 W
Memory Type
- Intel Core Ultra 7 155H
- DDR5, LPDDR5/X
- Intel Core Ultra 7 255H
- LPDDR5/x up to 8400 MT/s, DDR5 up to 6400 MT/s
Max Memory Speed
- Intel Core Ultra 7 155H
- 7467 MT/s
- Intel Core Ultra 7 255H
- 8400 MT/sBest
Memory Channels
- Intel Core Ultra 7 155H
- 2
- Intel Core Ultra 7 255H
- 2
Integrated Graphics
- Intel Core Ultra 7 155H
- Yes
- Intel Core Ultra 7 255H
- Yes
iGPU Model
- Intel Core Ultra 7 155H
- Intel Arc Graphics
- Intel Core Ultra 7 255H
- Intel Arc 140T
iGPU Compute Units
- Intel Core Ultra 7 155H
- 8
- Intel Core Ultra 7 255H
- 8
NPU Peak TOPS
- Intel Core Ultra 7 155H
- 11 TOPS (NPU 3)
- Intel Core Ultra 7 255H
- 13 TOPS (Intel AI Boost)
Copilot Plus Certified
- Intel Core Ultra 7 155H
- No
- Intel Core Ultra 7 255H
- No
PCIe Generation
- Intel Core Ultra 7 155H
- PCIe 4.0
- Intel Core Ultra 7 255H
- PCIe 5.0 and 4.0
Benchmarks
- General CPU
Cinebench 2024 (Single-Core)
- Intel Core Ultra 7 155H
- 102-18%
- Intel Core Ultra 7 255H
- 124Best
Renders a 3D scene on one core. Shows how quick the CPU feels in everyday apps and games.
Geekbench 6 (Single-Core)
- Intel Core Ultra 7 155H
- 2,392-15%
- Intel Core Ultra 7 255H
- 2,806Best
The same everyday tasks on one core. Tracks how responsive the PC feels.
Which one should you pick?
Choose 155H if you want the higher L3 cache (24 MB vs 24 MB) and the higher memory channels (2 vs 2).
Choose 255H if you want the higher cinebench 2024 (Single-Core) (124 vs 102) and the higher geekbench 6 (Single-Core) (2,806 vs 2,392).
Verdict
Intel Core Ultra 7 155H
8.5 / 10 Expert Rating
The Intel Core Ultra 7 155H is the value entry point of Intel's Core Ultra 7 H-series pair, a strong pick for premium laptops that don't need the 165H's extra clock.