Server maker Sun Microsystems and chip maker Advanced Micro Devices already tout their products' power-saving credentials.
Power-saving techniques and voltage and frequency "slewing" will allow its chip to lower electricity consumption by up to 50%.
The monitor is also equipped with multiple power-saving features for reduced environmental impact, while the LED backlight is completely Mercury free.
The AMD Radeon HD 8000M Series features AMD Enduro Technology, a cutting-edge power-saving solution that scales GPU usage and power based on graphics demand.
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They discovered that, depending on the amount of traffic in the network, devices in power-saving modes spend 60 to 80 percent of their time in idle listening.
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In more normal use, with power-saving on, I suspect you could get 4 to 5 hours on the XPS 12, but that's still nothing to write home about.
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The new Acer Iconia W510 features Acer Always On and Acer Always Connect technologies that enable data upload and retrieval anytime, anywhere, and deliver power-saving features as well.
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The Low Power feature is a must-have function in Europe for managing the power-saving modes of Orange equipment as well as consumer electronics devices over the home network.
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Huawei's unique Quick Power Control (QPC) and Automated Discontinuous Reception (ADRX) power-saving technologies, reduces power consumption by 30% and charging time by more than 25% compared to other smartphones.
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Intel boasted of a power-saving technology that will put power not being used by idle processor cores to work, speeding up those cores that are grunting through heavy-duty tasks.
Even when smartphones are in power-saving modes and not actively sending or receiving messages, they are still on alert for incoming information and they're searching for a clear communication channel.
ENGADGET: New 'subconscious mode' could improve smartphone battery life, supress your WiFi id
When used with power-saving mode, the researchers found that E-MiLi is capable of reducing energy consumption by around 44 percent for 92 percent of mobile devices in real-world wireless networks.
ENGADGET: New 'subconscious mode' could improve smartphone battery life, supress your WiFi id
The researchers have found that this kind of energy-taxing "idle listening" is occurring during a large portion of the time phones spend in power-saving mode---as much as 80 percent on busy networks.
ENGADGET: New 'subconscious mode' could improve smartphone battery life, supress your WiFi id
Still, these are respectable numbers in my harsh tests, and suggest to me that in more normal use with power-saving on, you could get six hours or so easily on these machines.
Samsung's Magic Eco feature allows users to adjust a monitor's brightness based on different energy consumption levels with four preset energy-saving options to choose from: 100 percent, 75 percent, 50 percent, and Power-Saving Off.
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In my tough battery tests, where I set the screen to 75% brightness, turn off power-saving features, leave the Wi-Fi on and play locally stored videos until the machine dies, the Surface Pro did pathetically.
Server maker Sun Microsystems (nasdaq: SUNW - news - people ) and chip maker Advanced Micro Devices (nyse: AMD - news - people ) already tout their products' power-saving credentials.
In my battery tests, where I turn off all power-saving features, crank the screen brightness up all the way, leave the Wi-Fi on, and play a continuous loop of music, they fell well short of that.
In my test, where I use full brightness, disable power-saving software, leave on the Wi-Fi, and play a loop of music, the battery on the XPS 13 lasted just under four hours, the worst I've seen on an ultrabook.
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My test taxes the computer more than a normal user and involves keeping Wi-Fi on, cranking the screen to full brightness, turning off all power-saving features, keeping email retrieval going in the background and playing an endless loop of music.
The power-saving technology described in this patent is trivial and contributes only a negligible reduction in power-consumption, so HTC has removed any allegedly corresponding functionality from all of its current German handsets as a precaution against any attempt by Nokia to extend the scope of the judgment unfairly.
ENGADGET: Nokia obtains injunction on HTC in Germany over battery saving wireless technology
Intel intc (nasdaq: intc - news - people) showed off notebooks from NEC and Toshiba tosbf (nasdaq: tosbf - news - people) equipped with the new power-saving Pentium IIIs and said that other companies--including Fujitsu and Sony sne (nyse: sne - news - people)--will also probably use them.
It developed energy-saving technologies to power and cool its massive data centers around the world and erected a 1.6-megawatt solar panel at its headquarters.
Fuel-saving technology like hybrid power and turbo-charging, they say, isn't enough to do the trick.
So, hibernate is more power saving, but resume from it takes something like 8-10 seconds.
The forum's founding members are all involved in advanced technology and solutions associated with the Internet of Things, including commercial infrastructure monitoring, energy-saving street lighting, home automation, energy monitoring and low power radio technology for sensors.
ENGADGET: ARM forms UK group to foster an Internet of Things, put 50 billion devices online by 2020
The human and solar power at the gym generated 36 percent of its electricity, saving about 37, 000 kilowatt-hours in 2009, Boesel said.
The Saving High-Tech Innovators from Egregious Legal Disputes Act would give courts more power to award reasonable attorney fees to the prevailing party.
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