Ultra 9 285HX vs Atom x5-Z8550
Primary details
Comparing Atom x5-Z8550 and Core Ultra 9 285HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2740 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 5x Intel Atom | no data |
| Architecture codename | Cherry Trail (2015−2016) | Arrow Lake-S (2024−2025) |
| Release date | 8 February 2016 (8 years ago) | 13 January 2025 (recently) |
Detailed specifications
Atom x5-Z8550 and Core Ultra 9 285HX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 24 (Tetracosa-Core) |
| Performance-cores | no data | 8 |
| Efficient-cores | no data | 16 |
| Threads | 4 | 24 |
| Base clock speed | 1.44 GHz | 2.8 GHz |
| Boost clock speed | 2.4 GHz | 5.5 GHz |
| L1 cache | no data | 192 KB (per core) |
| L2 cache | 2 MB | 3 MB (per core) |
| L3 cache | 0 KB | 36 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 90 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Atom x5-Z8550 and Core Ultra 9 285HX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 1 |
| Socket | UTFCBGA1380 | FCBGA2114 |
| Power consumption (TDP) | no data | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-Z8550 and Core Ultra 9 285HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | - | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Atom x5-Z8550 and Core Ultra 9 285HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Boot | + | no data |
| Secure Key | no data | + |
| Identity Protection | + | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x5-Z8550 and Core Ultra 9 285HX are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8550 and Core Ultra 9 285HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-6400 |
| Maximum memory size | 8 GB | 192 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 400 (Braswell) (200 - 600 MHz) | Intel® Graphics |
| Max video memory | 8 GB | no data |
| Quick Sync Video | - | + |
| Graphics max frequency | 600 MHz | 2 GHz |
| Execution Units | 12 | no data |
Graphics interfaces
Available interfaces and connections of Atom x5-Z8550 and Core Ultra 9 285HX integrated GPUs.
| Number of displays supported | 3 | 4 |
Graphics image quality
Maximum display resolutions supported by Atom x5-Z8550 and Core Ultra 9 285HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 3840x2160 | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | 2560x1600 | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Atom x5-Z8550 and Core Ultra 9 285HX integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Atom x5-Z8550 and Core Ultra 9 285HX.
| PCIe version | 2.0 | 5.0 and 4.0 |
| PCI Express lanes | 2 | 20 |
| USB revision | 3.0 | no data |
| Number of USB ports | 3 | no data |
Pros & cons summary
| Recency | 8 February 2016 | 13 January 2025 |
| Physical cores | 4 | 24 |
| Threads | 4 | 24 |
| Chip lithography | 14 nm | 3 nm |
Ultra 9 285HX has an age advantage of 8 years, 500% more physical cores and 500% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Atom x5-Z8550 and Core Ultra 9 285HX. We've got no test results to judge.
Should you still have questions on choice between Atom x5-Z8550 and Core Ultra 9 285HX, ask them in Comments section, and we shall answer.
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