Atom Z2420 vs N450
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3632 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Pinetrail (2009−2011) | Saltwell (2013) |
| Release date | 21 December 2009 (15 years ago) | 1 January 2013 (12 years ago) |
| Launch price (MSRP) | $64 | no data |
Detailed specifications
Atom N450 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 | 1 (Single-Core) | 1 (Single-Core) |
| Threads | 2 | 2 |
| Base clock speed | 1.66 GHz | no data |
| Boost clock speed | 1.67 GHz | 1.2 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | 56 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 66 mm2 | 65 mm2 |
| Maximum core temperature | 100 °C | 90 °C |
| Number of transistors | 123 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom N450 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 | FCBGA559 | FC-MB4617 |
| Power consumption (TDP) | 5.5 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N450 and Atom Z2420. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | + |
| Idle States | no data | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | - | no data |
| PAE | no data | 32 Bit |
| GPIO | no data | 152 |
Security technologies
Atom N450 and Atom Z2420 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom N450 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 Atom N450 and Atom Z2420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR2 |
| Maximum memory size | 2 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 | On certain motherboards (Chipset feature) | PowerVR SGX540 (400 MHz) |
Graphics interfaces
Available interfaces and connections of Atom N450 and Atom Z2420 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Atom N450 and Atom Z2420.
| USB revision | no data | 2.0 OTG |
| Number of USB ports | no data | 1 |
| UART | no data | 3 |
Pros & cons summary
| Recency | 21 December 2009 | 1 January 2013 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 5 Watt | 3 Watt |
Atom Z2420 has an age advantage of 3 years, a 40.6% more advanced lithography process, and 66.7% lower power consumption.
We couldn't decide between Intel Atom N450 and Intel Atom Z2420. We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
