So, hibernate is more power saving, but resume from it takes something like 8-10 seconds.
Suspend is the lightest form of sleep for a notebook, and the least power saving.
The monitor's Power Saving Mode uses 50 percent less power, and Standby Mode uses only 0.1w.
Also modern enterprise storage technology, whether it is flash memory, HDDs or magnetic tape include new power saving features to minimize the costs of storage.
Storage device companies such as Seagate can provide cost effective storage solutions that could have special power saving or performance features that would be attractive to open storage system designers.
Of course the total energy used by a hard disk drive depends upon the actual usage and power saving modes, and caching of data can reduce the energy used by a HDD in a computer system.
FORBES: Seagate Discontinuing 7,200 RPM Drives--A Focus on Capacity?
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.
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.
ENGADGET: AMD Radeon HD 8000 series GPUs official for laptops, desktop series now shipping to OEMs
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
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.
ENGADGET: Samsung pushes out BX2350 and BX2335 1080p monitors
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.
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.
ENGADGET: New 'subconscious mode' could improve smartphone battery life, supress your WiFi id
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.
WSJ: Review of Dell XPS 12: Dell Laptop Does Flips to Try to Be a Thick Tablet
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.
ENGADGET: Atom-powered Acer Iconia W510 on sale November 9th for $500 and up
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.
ENGADGET: DLNA already in use by TV providers, but not exactly what we had in mind
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.
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.
WSJ: Walt Mossberg: Dell's Slim, Speedy Ultrabook Fits Anywhere, but Loses Steam
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.
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.
Nitride semiconductors have attracted attention for their potential applications in highly efficient optical and power devices for energy saving.
It was assumed at the time that he was committed to saving the power-sharing Executive, despite having inherited Sunningdale from the previous Conservative government and being privately convinced it was doomed.
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