New version of iPad Mini now on sale

The latest version of Apple's iPad Mini - the first of the smaller iPad to feature a high-resolution display that Apple calls Retina - is going on sale.

The latest version of Apple's iPad Mini, featuring a high-resolution display, is going on sale. (AAP)

The latest version of Apple's iPad Mini is going on sale.

The new Mini is the first version of the smaller iPad to feature a high-resolution display that Apple calls Retina.

It also includes a power-efficient A7 chip, along with faster wireless and expanded LTE mobile connectivity.

It's available in silver or grey.

Wi-Fi-only models will start at $US399 ($A427.38) for a 16-gigabyte gigabyte model, while mobile-capable models will start at $US529 for the 16-gigabyte model.

The new Minis are available starting on Tuesday through Apple's online and retail stores, along with AT&T, Sprint, T-Mobile, Verizon Wireless and select retailers.