Tablet market reviews in 2014

Last Monday, Ontablets launched a new report about tablet PC sales in 2014. In the 4th quarter of 2014, the total sales of tablet pc is about 76 million pieces, compared with 2013, it is reduced from nearly 79 million pieces by 3,2%. The total sales of whole 2014 is about 230 million pieces, compared with 220 million pieces in 2013, it is increased by about 4.4%.

iPad is still the NO.1, in 4th quarter of 2014, the sales of iPad is about 21.4 million pieces, takes about 28% market share. But compared with 2013, it is reduced. Sales volume is reduced by 17.8%. Samsung is ranked second. Its sales is about 11 million pieces in 4th quarter, taking about 14.5% market share. Compared with 2013, it is also reduced a lot. Sales volume is reduced by 18.4%, even higher than iPad.

The top five brands are Apple, Samsung, Lenovo, ASUS and Amazon. Except Lenovo, the other 4 brands are reduced in 4th quarter. The sales of Lenovo is about 3.7 million pieces, taking 4.8% market share. Sales volume is increased by 9.1%.

In whole 2014, ASUS is ranked 3rd. iPad is still ranked first. But its sales is reduced by 14.6%. Samsung is increased by 1.1%, Lenovo is increased by 43.5%. Amazon is reduced by 66.4%.

Detail of Allwinner A83T

In last Sept, Suverimax has already disclosed its new processor, A83T, and till last Dec, there were tablets with this chipset available in market. Allwinner A83T adopts the TSMC 28nm process technology, and based on ARM Cortex A7 octa core framework, the max frequency is 2.0GHz. GPU is still from Imagination. Compared with the A80 octa core, the power consumption and cost are reduced a lot.

As information from Allwinner, When playing videos, the power consumption of A83T is only 3500mW, when standing by, it is 8.4mW.

You can see the above picture, left one is a quad core tablet with Cortex A17. When playing video, the voltage is 7.6V, and current is 0.559A. Its power consumption is 4248mW. Right one is A83T octa core tablet, when playing video, its voltage is only 3.79V, and current is 0.884A. Its power consumption is 894mW. The Allwinner A83T octa core tablet is also 3.8V, but current is only 0.0022A. Its power consumption is 8.36mW.3350mW. When standing by, the left tablet is 3.8V, and current is 0.2352A. Its power consumption is 8.36mW.

So why its power consumption is so lower. On one hand, it adopts the Cortex A7 framework, the other hand is it adopts the 28nm process technology. What is more is this process owns one Power Management chipset, AXP813.

Its max frequency is 2.0GHz. GPU is the PowerVR 544, its frequency is 700Mhz when running. Allwinner adopts the new TSMC 28nm HPC process, compared with 28nm HPM process, its running speed is enhanced 10%.

A83T can support 2048*1536 pixels resolution, screen size can be 7 inch to 13 inch. Except that, this chipset can support 4K*2K resolution video playback, and HEVC and H.265 format.

Till now, in market, there are some tablets wit this A83T, for example, the Onda V989 Air, and Onda V975S octa core tablet pc.