Atom Z2420 vs Celeron N2805
Primary details
Comparing Celeron N2805 and Atom Z2420 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3205 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | no data |
| Power efficiency | 4.97 | no data |
| Architecture codename | Bay Trail-M (2013−2014) | Saltwell (2013) |
| Release date | 11 September 2013 (11 years ago) | 1 January 2013 (11 years ago) |
| Launch price (MSRP) | $107 | no data |
Detailed specifications
Celeron N2805 and Atom Z2420 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) | 1 (Single-Core) |
| Threads | 2 | 2 |
| Base clock speed | 1.46 GHz | no data |
| Boost clock speed | 1.46 GHz | 1.2 GHz |
| L1 cache | 56K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 22 nm | 32 nm |
| Die size | no data | 65 mm2 |
| Maximum core temperature | 80 °C | 90 °C |
| Number of transistors | no data | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron N2805 and Atom Z2420 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 | 1 |
| Socket | FCBGA1170 | FC-MB4617 |
| Power consumption (TDP) | 4.3 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N2805 and Atom Z2420. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| PAE | no data | 32 Bit |
| GPIO | no data | 152 |
| Smart Connect | + | no data |
| RST | - | no data |
Security technologies
Celeron N2805 and Atom Z2420 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | + |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N2805 and Atom Z2420 are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N2805 and Atom Z2420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
| Maximum memory size | 4 GB | 1 GB |
| Max memory channels | 1 | 2 |
| Maximum memory bandwidth | no data | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Intel Atom Processor Z3700 Series | PowerVR SGX540 (400 MHz) |
| Graphics max frequency | 667 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron N2805 and Atom Z2420 integrated GPUs.
| Number of displays supported | 2 | 2 |
Peripherals
Specifications and connection of peripherals supported by Celeron N2805 and Atom Z2420.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 4 | no data |
| USB revision | 3.0 and 2.0 | 2.0 OTG |
| Total number of SATA ports | 2 | no data |
| Number of USB ports | 5 | 1 |
| UART | no data | 3 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Geekbench 2
Pros & cons summary
| Recency | 11 September 2013 | 1 January 2013 |
| Physical cores | 2 | 1 |
| Chip lithography | 22 nm | 32 nm |
| Power consumption (TDP) | 4 Watt | 3 Watt |
Celeron N2805 has an age advantage of 8 months, 100% more physical cores, and a 45.5% more advanced lithography process.
Atom Z2420, on the other hand, has 33.3% lower power consumption.
We couldn't decide between Celeron N2805 and Atom Z2420. We've got no test results to judge.
Should you still have questions on choice between Celeron N2805 and Atom Z2420, ask them in Comments section, and we shall answer.
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