Intel Core Ultra 7 356H vs Intel Core Ultra 7 255H
Side-by-side comparison of features, pricing, ratings, and alternatives.
The Intel Core Ultra 7 356H is a high-performance mobile processor designed for demanding applications. With 16 cores, it offers exceptional processing power and efficiency.
The Intel Core Ultra 7 255H is a high-performance hybrid processor designed for laptops, featuring a combination of Performance-cores (P-cores) and Efficiency-cores (E-cores) for efficient processing. With its advanced architecture and integrated graphics, this processor delivers fast performance and long battery life.
- High-performance processing power
- Efficient power management
- Secure architecture
- Portable design
- High-performance processing
- Efficient processing with low power consumption
- Advanced security features
- Integrated graphics with AI-enhanced capabilities
- High power consumption
- Expensive
- Limited availability
- Limited availability
- High cost
- Thermal management challenges
- Limited software optimization
More alternatives & similar tools
Alternatives to Intel Core Ultra 7 356H
View all →A high-performance mobile processor designed for gamers and demanding creators.
A powerful processor combining Zen 5 and Zen 5c architectures for next-gen computing.
Alternatives to Intel Core Ultra 7 255H
View all →A high-performance mobile processor designed for gamers and demanding creators.
The Verdict
AI-generated from listing dataThe Intel Core Ultra 7 356H (A) delivers top-tier raw performance but consumes more power, while the Ultra 7 255H (B) offers a hybrid design with lower base power and similar graphics, making A the default for maximum compute and B for balanced laptop efficiency.
Key differences
- •A provides 32 threads vs B's 16 threads, yielding higher multi‑core performance (Cinebench 18,500).
- •A’s base TDP is 15‑25 W (boost up to 80 W) whereas B’s base is 28 W with a 115 W turbo ceiling.
- •B uses a hybrid core mix (6P+8E+2LP) targeting efficiency; A uses uniform 16 cores.
- •A supports both mobile (BGA2833) and desktop (LGA1851) sockets; B is limited to laptop FCBGA2049.
- •Both have identical Intel Arc 140T graphics, but B lists a 2.25 GHz GPU clock versus A’s unspecified GPU frequency.
Performance
A scores 18,500 Cinebench R23 Multi with 32 threads, far exceeding B's hybrid core design.
Power & efficiency
A's base TDP 15‑25 W is lower than B's 28 W base, despite higher boost capability.
Compatibility
A offers both mobile (BGA2833) and desktop (LGA1851) sockets; B only supports laptop FCBGA2049.
Pricing & value
Pricing not specified for either product.
Build quality
Build quality details not specified.
Connectivity
Connectivity features not specified.
Warranty & support
Warranty information not specified.
Choose Intel Core Ultra 7 356H if…
Power users needing maximum multi‑core performance and desktop‑compatible options.
Choose Intel Core Ultra 7 255H if…
Laptop‑focused professionals who prioritize lower base power and hybrid efficiency.
Common questions
Which processor is faster for multi‑threaded workloads?
A, with 32 threads and a Cinebench R23 Multi score of 18,500, outperforms B's hybrid 16‑thread design.
How do the power requirements compare?
A operates at 15‑25 W base (up to 80 W boost); B runs at 28 W base with a 115 W turbo limit.
Are there differences in graphics performance?
Both use Intel Arc 140T; B specifies a 2.25 GHz GPU clock, while A does not list a GPU frequency.

