I have use this tab last from 3 month. Performance was very good. There is no lag in multi tasking.
Same feature are blow to help u out to purchase this tab.
Hardware
It incorporates a 2.2 Ghz quad-core Nvidia Tegra Cortex A-15 processor. The 8 inch tablet has an inbuilt memory of 16/64 GB, expandable upto 128 GB by a micro sd card. The powerhouse of the device is a non-removable 6700 mAh Li-Po battery.
Os & software feature
Xiaomi Mi Pad Tablet runs on the latest Android version. The tablet includes Bluetooth 4.0, A-GPS, wifi and no sim support.
Display
The 8 inch display of the tablet is an IPS LCD display with a resolution of 1563x2048 pixels and a capacitive touchscreen. The display is a joy to watch and provides great viewer experience. For additional protection from scratches and damage, the display wears Corning Gorilla Glass 3