Atom x5-Z8350 vs Celeron B840
Aggregate performance score
Celeron B840 outperforms Atom x5-Z8350 by a small 9% based on our aggregate benchmark results.
Primary details
Comparing Celeron B840 and Atom x5-Z8350 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2787 | 2823 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | 5x Intel Atom |
| Power efficiency | 1.65 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Cherry Trail (2015−2016) |
| Release date | 1 July 2011 (13 years ago) | 8 February 2016 (8 years ago) |
| Launch price (MSRP) | $86 | no data |
Detailed specifications
Celeron B840 and Atom x5-Z8350 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 1.9 GHz | 1.44 GHz |
| Boost clock speed | 1.9 GHz | 1.92 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | no data |
| Multiplier | 19 | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 256K (per core) | 2 MB |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 14 nm |
| Die size | 131 mm2 | no data |
| Maximum core temperature | 100 °C | 90 °C |
| Number of transistors | 504 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron B840 and Atom x5-Z8350 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 (Uniprocessor) |
| Socket | FCPGA988,PGA988 | UTFCBGA592 |
| Power consumption (TDP) | 35 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron B840 and Atom x5-Z8350. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| FMA | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | - |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Celeron B840 and Atom x5-Z8350 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Secure Boot | no data | + |
| Identity Protection | - | + |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron B840 and Atom x5-Z8350 are enumerated here.
| VT-d | - | no data |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron B840 and Atom x5-Z8350. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | 4 GB |
| Maximum memory size | 16 GB | 2 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 21.335 GB/s | 12.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 2nd Generation Intel® Processors | Intel HD Graphics |
| Max video memory | no data | 2 GB |
| Graphics max frequency | 1 GHz | 500 MHz |
| Execution Units | no data | 12 |
Graphics interfaces
Available interfaces and connections of Celeron B840 and Atom x5-Z8350 integrated GPUs.
| Number of displays supported | 2 | 2 |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron B840 and Atom x5-Z8350 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 1920x1080 |
Peripherals
Specifications and connection of peripherals supported by Celeron B840 and Atom x5-Z8350.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | 1 |
| USB revision | no data | 3.0 |
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.
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.
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 | 0.61 | 0.56 |
| Recency | 1 July 2011 | 8 February 2016 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 32 nm | 14 nm |
Celeron B840 has a 8.9% higher aggregate performance score.
Atom x5-Z8350, on the other hand, has an age advantage of 4 years, 100% more physical cores and 100% more threads, and a 128.6% more advanced lithography process.
Given the minimal performance differences, no clear winner can be declared between Celeron B840 and Atom x5-Z8350.
Should you still have questions on choice between Celeron B840 and Atom x5-Z8350, ask them in Comments section, and we shall answer.
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