Phenom II X2 N640 vs Atom x5-Z8550
Aggregate performance score
Phenom II X2 N640 outperforms Atom x5-Z8550 by a significant 24% based on our aggregate benchmark results.
Primary details
Comparing Atom x5-Z8550 and Phenom II X2 N640 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2670 | 2523 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 5x Intel Atom | 2x AMD Phenom II |
| Power efficiency | no data | 2.45 |
| Architecture codename | Cherry Trail (2015−2016) | Champlain (2010−2011) |
| Release date | 8 February 2016 (8 years ago) | 1 October 2010 (14 years ago) |
Detailed specifications
Atom x5-Z8550 and Phenom II X2 N640 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 1.44 GHz | no data |
| Boost clock speed | 2.4 GHz | 2.9 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | no data | 256 KB |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 14 nm | 45 nm |
| Maximum core temperature | 90 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom x5-Z8550 and Phenom II X2 N640 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) | no data |
| Socket | UTFCBGA1380 | S1 |
| Power consumption (TDP) | no data | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-Z8550 and Phenom II X2 N640. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization |
| AES-NI | + | - |
| VirusProtect | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Atom x5-Z8550 and Phenom II X2 N640 technologies aimed at improving security, for example, by protecting against hacks.
| Secure Boot | + | no data |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x5-Z8550 and Phenom II X2 N640 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8550 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 400 (Braswell) | no data |
| Max video memory | 8 GB | no data |
| Graphics max frequency | 600 MHz | no data |
| Execution Units | 12 | no data |
Graphics interfaces
Available interfaces and connections of Atom x5-Z8550 and Phenom II X2 N640 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Atom x5-Z8550 and Phenom II X2 N640 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 3840x2160 | no data |
| Max resolution over eDP | 2560x1600 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom x5-Z8550 and Phenom II X2 N640.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 2 | no data |
| USB revision | 3.0 | no data |
| Number of USB ports | 3 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 0.76 | 0.94 |
| Recency | 8 February 2016 | 1 October 2010 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 14 nm | 45 nm |
Atom x5-Z8550 has an age advantage of 5 years, 100% more physical cores and 100% more threads, and a 221.4% more advanced lithography process.
Phenom II X2 N640, on the other hand, has a 23.7% higher aggregate performance score.
The Phenom II X2 N640 is our recommended choice as it beats the Atom x5-Z8550 in performance tests.
Should you still have questions on choice between Atom x5-Z8550 and Phenom II X2 N640, ask them in Comments section, and we shall answer.
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