RAM, GBRAM is used for temporary storage of data. From the memory size in many cases depends the overall performance of the system.
Built-in Memory, GBThe size of the built-in flash memory or the size of the hard disk installed in the tablet. The built-in memory is used to install programs and store files (music, video, photos). The latter occupy the largest amount of memory. If the tablet does not provide for the possibility of increasing storage with memory cards, it is recommended that this parameter be given special attention.
Battery capacity, mAhThe larger the battery capacity indicator, the longer the tablet is able to work without additional charging.
Tablet screens are manufactured using AMOLED, TFT, TFT IPS, 3Qi, PLS technologies. Each of them has features that affect the quality of the resulting image. <a href="http://www.books-tablets.ru/p/ekranyi-planshetov">Read the full article</a> .
Type of touch screen
At the moment there are several types of touch screens: resistive and capacitive. Resistive screens react to touch by any object. Capacitive screens have a noticeable advantage: they support pressing in two points simultaneously (multitouch).
The wireless network standard of Wi-Fi has the following varieties: 802.11b, 802.11g and 802.11n, 802.11ac. Each subsequent type is compatible with the previous ones. The highest speed is of the type 802.11ac (up to 1.3 Gbit / s).