CPU clock frequency is the indicator of the operation speed. A CPU with a higher clock frequency will have a higher speed compared to a CPU with analogous other technical indices. The clock frequency of two or more core CPUs is indicated for each core, thus, when the performance of CPUs is compared a CPU with the clock frequency of 2Ghz and one core is deemed less powerful than another CPU with the same clock frequency and several cores.
The CPU cache memory is the memory volume that is built-in in the CPU of a portable computer and is a decisive indicator of high-speed operation. A CPU with bigger cache memory is faster than a CPU with equal other technical features.
The CPU type indicates what is the manufacturer and model of the CPU forming the base of your portable computer. Dateks.lv recommends a portable computer with Intel i3 CPU to demanding users.
The processor clock frequency is among the main criteria of the processor performance. This index determines the number of operations that each CPU core can perform per second. The higher the CPU clock frequency the faster the computer will be perform the given computing tasks.
The CPU cache memory is the place where the CPU stores (buffers) the data intended for processing for a short time. The volume of the cache memory is important in determining the high-speed operation of the CPU and, thus, the overall high-speed operation of the computer itself. Bigger volume of cache memory means higher-speed operation.
RAM is a short-term data storage. This component determining the operation speed:
Thanks to the dense placement of chipsets the RAM of a portable computer has the same characteristics as the RAM of desktop computers. Dateks.lv recommends to use 3Gb or higher capacity RAM for general use.
Bluetooth connection provides secure wireless data transmission among various devices (at the distance of up to 150 m). This is a possibility for your portable computer to connect with your mobile phone, another portable computer, palmtop and other bluetooth devices without using any wires for exchanging Mp3 music, photos and documents. You can use bluetooth for connecting wireless headphones with a microphone, mouse, keyboard, printer and other devices supporting bluetooth connection.
Examples of use of the Bluetooth technology:
• transfer of files between computers or between a computer and another device;
• printing using Bluetooth enabled wireless printer;
• use of a Bluetooth equipped keyboard or mouse, listening to music via wireless headphones;
• synchronisation of the personal digital assistant (PDA) with a computer or another device;
• wireless connection to the Internet via the mobile phone or the modem server;
• connection to the Bluetooth personal network (PAN - this is the technology that allows to establish the Ethernet network with wireless links between portable computers, mobile phones and hand devices).
*For establishing a connection with a portable computer with bluetooth; all the devices to be connected need the bluetooth support.
The battery time indicates the approximate time how long your portable computer will be able to operate after it has been disconnected from the electricity supply when the battery is fully charged.
The battery time depends on the configuration, performed operations and other factors. This indicator usually is based upon the testing results. The lithium batteries built-in modern portable computers usually provide the operation time of 3 to 5 hours and this time depends on the use and configuration of the computer. The maximum battery capacity reduces the time of use of the portable computer. Currently lithium batteries are used in computers and they replaced nickel batteries. It has to be taken into account that the lifetime of portable computer batteries is limited. The capacity decreases with time and it is necessary to replace the battery.
*The battery time may decrease depending on the loading of the portable computer during the time when the battery is used as the power supply to the computer.
