Pentium U5400 vs Atom x5-Z8350
Primary details
Comparing Atom x5-Z8350 and Pentium U5400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2711 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 5x Intel Atom | Intel Pentium |
| Architecture codename | Cherry Trail (2016) | Arrandale (2010−2011) |
| Release date | 8 February 2016 (8 years ago) | 25 May 2010 (14 years ago) |
| Current price | $165 | no data |
Detailed specifications
Atom x5-Z8350 and Pentium U5400 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 | 1.2 GHz |
| Boost clock speed | 1.92 GHz | 1.2 GHz |
| Bus support | no data | 2500 MHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | 2 MB | 256K (per core) |
| L3 cache | 0 KB | 3 MB (shared) |
| Chip lithography | 14 nm | 32 nm |
| Die size | no data | 81+114 mm2 |
| Maximum core temperature | 90 °C | 105 °C |
| Number of transistors | no data | 384 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Atom x5-Z8350 and Pentium U5400 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 | UTFCBGA592 | BGA1288 |
| Power consumption (TDP) | no data | 18 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-Z8350 and Pentium U5400. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| Flex Memory Access | no data | + |
| SIPP | - | no data |
| PAE | no data | 36 Bit |
| Turbo Boost Max 3.0 | - | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Status | Discontinued | Discontinued |
Security technologies
Atom x5-Z8350 and Pentium U5400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Secure Boot | + | no data |
| Identity Protection | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x5-Z8350 and Pentium U5400 are enumerated here.
| VT-d | no data | - |
| VT-x | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8350 and Pentium U5400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | 4 GB | DDR3 |
| Maximum memory size | 2 GB | 8 GB |
| Max memory channels | 1 | 2 |
| Maximum memory bandwidth | 12.8 GB/s | 12.8 GB/s |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics | Intel® HD Graphics for Previous Generation Intel® Processors |
| Max video memory | 2 GB | no data |
| Clear Video | no data | + |
| Graphics max frequency | 500 MHz | 500 MHz |
| Execution Units | 12 | no data |
Graphics interfaces
Available interfaces and connections of Atom x5-Z8350 and Pentium U5400 integrated GPUs.
| Number of displays supported | 2 | 2 |
Graphics image quality
Maximum display resolutions supported by Atom x5-Z8350 and Pentium U5400 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 1920x1080 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom x5-Z8350 and Pentium U5400.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 1 | 1 |
| USB revision | 3.0 | 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.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Atom x5-Z8350 outperforms Pentium U5400 by 61% in Passmark.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Pentium U5400 outperforms Atom x5-Z8350 by 42% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Atom x5-Z8350 outperforms Pentium U5400 by 15% in Cinebench 10 32-bit multi-core.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
Pentium U5400 outperforms Atom x5-Z8350 by 54% in wPrime 32.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Benchmark coverage: 17%
Atom x5-Z8350 outperforms Pentium U5400 by 51% in Cinebench 11.5 64-bit multi-core.
Pros & cons summary
| Recency | 8 February 2016 | 25 May 2010 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 14 nm | 32 nm |
We couldn't decide between Atom x5-Z8350 and Pentium U5400. We've got no test results to judge.
Should you still have questions on choice between Atom x5-Z8350 and Pentium U5400, ask them in Comments section, and we shall answer.
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