Laptop Battery Wars

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of the Hp laptop battery   First post by: www.itsbattery.com

Does your laptop battery last as long as you were led to believe it would?

Advanced Micro Devices, a California based chip maker has been spreading the word that laptop ads give unrealistic battery life times and claim the reason for this is that the results are based on tests which do not take into account realistic usage.

Last month, a law suit was filed accusing Intel of rigging the tests in order to promote laptops powered by their own Atom chip.

“A reasonable consumer expects battery-life measurements to reflect the way consumers actually use laptop computers,” the suit said.

“Intel has wrongly increased its profits from the sale of laptops with Intel processors.”

Intel of course doesn’t agree and have responded that the suit is groundless and the tests do accurately reflect the way that the majority of people use their laptops.

The ‘MobileMark’ tests makes an assessment of how long a battery will run for by trying it out in three different operating modes including playing a DVD movie, accessing a spreadsheet and conducting other tasks on the laptop in question.

AMD are complaining that the tests consistently show that batteries in laptops such as Hp EV087AA battery, Hp EX942AA battery, Hp Pavilion ZT3000 battery, Hp 337607-001 battery, Hp 337607-003 battery, Hp dg103a battery, Hp 336962-001 battery, Hp 398876-001 battery, Hp PB992A battery, Hp PB994A battery, Hp PB991A battery powered by Intel chips last longer than batteries in laptops powered by AMD chips.

AMD’s complaints are based around the fact that the MobileMark tests do not take into consideration features such as graphics heavy programmes of course would use a lot more power. AMD concentrate on making graphics oriented chips more than Intel do.

The end result according to AMD is that consumers expect their battery to last a certain amount of time but it invariably runs out before then.

“The measurements in the best case are confusing; worst case they are misleading the consumer,” said Patrick Moorhead, AMD’s vice president for advanced marketing.

Rob Enderle, a technology analyst with the Enderle Group in San Jose, agrees.

“Everyone in the industry knows this benchmark is wildly optimistic and that the actual battery life you’ll get is often less than half what MobileMark suggests,” he recently wrote.

“This is because MobileMark measures battery life much like you might measure gas mileage if you started the car, put it in neutral and coasted down a long hill.”

AMD would like to see the MobileMark test results along with other test results taking the graphics element into consideration. When AMD carried this out themselves any difference in proposed battery times between Intel and AMD powered laptops completely disappeared.