AMD tablets will trounce Intel Core i3 tablets on battery life

AMD’s new Elite Mobility range of APU chips for mobile devices will allow tablets to “last up to 45 per cent longer than Intel Core i3 based models”, the company has claimed.

Speaking to TrustedReviews at AMD’s Toronto conference, Kevin Lensing, Director of the Mobility Product Line at AMD, and colleague Michael Mantor claimed the revised architecture was at the root of the power efficiency.

The Accelerated Processing Units that make up the new “Temash” and “Kabini” platforms see the system’s CPU and GPU merged on a single chip.

Power consumption, and therefore performance, is defined by the cooling capabilities of the platform, which means the better the cooling the better the performance. AMD’s Kabini platform uses the quad-core CPU as a heatsink while the GPU is under stress, and vice versa. The CPU also cools itself in this way.

If a single core is being taxed the other idle cores act as thermal sinks. Additional power efficiencies are also made by diverting unused power from one core to the remaining cores.

According to Lensing, the next three years will see significant growth in hybrid and convertible tablets and AMD aims to dominate this market by enabling “notebook class performance in the hybrid form factor”.

He has claimed this will be achieved by using AMD’s Turbo Core power management which can boost the performance of a tablet by up to 40 per cent simply by providing extra cooling. For example the Temash APU runs at 1GHz in tablet mode but gets a boost to 1.4GHz when docked.

AMD is taking a big gamble with its belief in the growth of the hybrid tablet market, but it needs to take risks to cover the yearly drop in traditional desktop and laptop PC sales. With its APUs now providing the power for the PS4 and Xbox One the company will have a steady, if very low margin, stream of sales.

With its Temash and Kabini platforms AMD is looking to disrupt Intel’s dominance in the Windows 8 tablet and hybrid market, 45 per cent increased battery life and improved performance are significant steps towards that.

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