Linked by Kroc Camen on Thu 30th Sep 2010 12:12 UTC
"I am truly shocked that so many people are being duped by BlackBerry's recent announcement of their tablet, the PlayBook. I have read endless comments from people who are saying they can't wait to get this tablet computer. Well, I think I have some bad news for you folks. There is no evidence that the PlayBook exist as advertised. Why do I say this? I will make it brief..."
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Member since:2010-03-08
Member since:2009-08-26
Power hungry? When the A9 runs at 1.6ghz it uses an average tdp of 2 watts.
http://liliputing.com/2010/09/nufront-introduces-2ghz-arm-cortex-a9...
It also has 1080p video decoding built into the die.
We don't know how efficient their software stack will be but given that QNX is streamlined for embedded use I'm going to bet on pretty damn efficient.
Member since:2010-03-08
Power hungry? When the A9 runs at 1.6ghz it uses an average tdp of 2 watts.
http://liliputing.com/2010/09/nufront-introduces-2ghz-arm-cortex-a9...
http://liliputing.com/2010/09/nufront-introduces-2ghz-arm-cortex-a9...
What ??? Oo
Either this is fake (like when you use inductances to make the electricity counter measure a smaller wattage), or I want to know what makes such a 30 times smaller power consumption possible...
Member since:2005-07-06
Power hungry? When the A9 runs at 1.6ghz it uses an average tdp of 2 watts.
http://liliputing.com/2010/09/nufront-introduces-2ghz-arm-cortex-a9...
It also has 1080p video decoding built into the die.
We don't know how efficient their software stack will be but given that QNX is streamlined for embedded use I'm going to bet on pretty damn efficient.
http://liliputing.com/2010/09/nufront-introduces-2ghz-arm-cortex-a9...
It also has 1080p video decoding built into the die.
We don't know how efficient their software stack will be but given that QNX is streamlined for embedded use I'm going to bet on pretty damn efficient.
2 watts on QNX will be 2 watts on Linux will be 2 watts on Symbian, all will drain the battery the same.
And as for how efficient the software stack is, it's the higher level stuff (efficiency of the graphic layer which is separate from the lower-level stuff) that matters.
A lot of the new Android phones out there won't last a full day on a charge, not because of Android OS, but because the components draw lots of power.
Member since:2005-06-29
True, but the operating system can go very far in determining battery life. My Android phone, the Motorola Cliq, has a friggin' huge battery but barely makes it through a day of light browsing once or twice an hour, and a couple of phone calls and texts. Why? It has a low power, efficient processor, and an energy efficient screen so those aren't the culprits. The cell and WiFi radios are no different than any other Motorola smartphone when it comes to power draw, so it's not them either.
No, I'll tell you why: Because it's running the older, less efficient version 1.5 of the OS, and the MotoBlur UI that runs on top of the OS is constantly polling data, even when you set the phone in "Battery Saver" mode. This device is a clear case of the software, not the hardware, running the battery down. I'm looking forward to the 2.1 update mostly for the gain in battery life.
Member since:2005-07-06
True, but the operating system can go very far in determining battery life. My Android phone, the Motorola Cliq, has a friggin' huge battery but barely makes it through a day of light browsing once or twice an hour, and a couple of phone calls and texts. Why? It has a low power, efficient processor, and an energy efficient screen so those aren't the culprits. The cell and WiFi radios are no different than any other Motorola smartphone when it comes to power draw, so it's not them either.
No, I'll tell you why: Because it's running the older, less efficient version 1.5 of the OS, and the MotoBlur UI that runs on top of the OS is constantly polling data, even when you set the phone in "Battery Saver" mode. This device is a clear case of the software, not the hardware, running the battery down. I'm looking forward to the 2.1 update mostly for the gain in battery life.
No, I'll tell you why: Because it's running the older, less efficient version 1.5 of the OS, and the MotoBlur UI that runs on top of the OS is constantly polling data, even when you set the phone in "Battery Saver" mode. This device is a clear case of the software, not the hardware, running the battery down. I'm looking forward to the 2.1 update mostly for the gain in battery life.
That's the power management functionality aspects of the operating environment, which are higher level functions, not scheduling, I/O ops, or microkernel versus monolithic, etc.
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Member since:
2005-07-06
No, but a screen is a screen. A power-hungry processor is a power-hungry processor. QNX doesn't magically reduce the power requirements for either.