Intel Core Ultra 7 255H vs AMD Ryzen 7 8840U
Side-by-side comparison of features, pricing, ratings, and alternatives.
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.
The AMD Ryzen 7 8840U is a high-performance processor designed for laptops. It features 8 cores and 16 threads, with a base clock speed of 3.3 GHz and a boost clock speed of up to 5.1 GHz.
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- High-performance processing
- Efficient processing with low power consumption
- Advanced security features
- Integrated graphics with AI-enhanced capabilities
- High-performance processing with 8 cores and 16 threads
- Integrated graphics with AMD Radeon 780M
- Low power consumption with a TDP of 28W
- Supports PCIe 4.0 for faster storage and peripherals connectivity
- Limited availability
- High cost
- Thermal management challenges
- Limited software optimization
- May not be suitable for extreme overclocking due to its low TDP
- Limited availability in certain regions
- May require specific cooling solutions due to its high-performance capabilities
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AI-generated from listing dataThe Intel Core Ultra 7 255H offers higher core counts and newer 3nm architecture, while the AMD Ryzen 7 8840U provides a mature 4nm option with 8 MB L2 and 16 MB L3 cache. The main trade-off is between Intel's hybrid 16-core architecture with Arc 140T graphics versus AMD's proven 8-core layout with Radeon 780M graphics and explicit PCIe 4.0 support.
Key differences
- •Core Architecture: Intel features 16 cores (6P + 8E + 2LP) with a 2.0 GHz base clock, whereas AMD features 8 cores and 16 threads with a 3.3 GHz base clock.
- •Graphics: Intel uses Intel Arc 140T integrated graphics (up to 2.25 GHz with 8 Xe-cores), while AMD uses AMD Radeon 780M graphics.
- •Manufacturing Process: Intel is built on the TSMC N3B 3nm process node, compared to AMD's TSMC 4nm FinFET process.
- •Cache and TDP Details: Intel has a 24MB cache with a 115W max turbo TDP, whereas AMD features 8 MB L2 and 16 MB L3 cache with a 28W (15-30W) TDP.
- •Connectivity and NPU: AMD explicitly supports PCIe 4.0 and lists NPU performance up to 16 TOPS, whereas Intel supports up to 6400 MT/s DDR5/LPDDR5 memory and hardware-based security technologies.
Performance
Intel offers 16 cores (6 Performance, 8 Efficiency, 2 Low Power) and a 5.1 GHz boost clock, backed by TSMC N3B 3nm nodes.
Build quality
Not specified in the provided facts for either processor.
Connectivity
AMD explicitly supports PCIe 4.0 for faster storage and peripherals connectivity; Intel connectivity details are not fully specified.
Power & efficiency
Intel utilizes a TSMC N3B 3nm process node for improved performance and efficiency with a 28W base and 115W max turbo TDP.
Compatibility
Both fit laptop platforms via distinct sockets (Intel uses FCBGA2049; AMD uses FP7, FP7r2, and FP8 sockets).
Price & value
AMD pricing is listed as Paid (One-time), whereas Intel pricing is entirely unknown.
Warranty & support
Warranty and support details are not specified for either product.
Choose Intel Core Ultra 7 255H if…
Choose Intel for maximum core counts, 3nm process technology, and AI-enhanced integrated Arc graphics.
Choose AMD Ryzen 7 8840U if…
Choose AMD for a reliable 8-core mobile CPU with Radeon 780M graphics and PCIe 4.0 support.
Common questions
What are the core and thread configurations for both processors?
The Intel Core Ultra 7 255H has 16 cores (6 Performance, 8 Efficiency, and 2 LP) and 16 threads. The AMD Ryzen 7 8840U features 8 cores and 16 threads.
What integrated graphics do these processors use?
Intel uses the Intel Arc 140T integrated graphics with 8 Xe-cores up to 2.25 GHz. AMD uses the AMD Radeon 780M graphics.
What are the power consumption and thermal details?
Intel has a 28W base TDP and a 115W max turbo TDP using the 3nm N3B process. AMD features a 28W (15-30W) TDP using the 4nm FinFET process.