LG's new Optimus 4X equipped with quad-core chips
Lead: PCWorld article Monday said the smartphone with quad-core processors can provide a PC-like performance, these phones already in the Barcelona Mobile World Congress (hereinafter referred to as "MWC"). However, analysts believe the price and inspiron e1705 battery life issues will be the main factors restricting the development of these phones.
The following is the text of the article:
Several new product launches
The speed of the quad-core processors faster than the mainstream dual-core processor, dual-core processor phone has a lot of the market. However, the higher the cost of the quad-core processors, which will push up the retail price of smart phones. In addition, support for multi-tasking and high-performance applications, the power consumption of these processors is huge.
In the MWC this year, several companies introduced a smartphone with quad-core processor and Android 4.0 system. These phones include the use of the Nvidia Tegra 3 processor HTC One of the Optimus, LG 4X HD and ZTE Era, as well as independent research and development processor Huawei of Ascend D. These mobile phones are expected to be available later this year.
Analysts pointed out, performance, smart phones also need to remain competitive in the power consumption and price. In the dual-core mobile phone instead of the mononuclear cell phone, quad-core mobile phone is likely to target the high end market.
Price and power consumption constraints
In-Stat's chief technical strategist Jim McGregor said Jim McGregor, relative to the dual-core processor, quad-core processors are more expensive, this will be reflected in the price of smart phones. If consumers pay more attention to mobile performance, you might buy a quad-core mobile phone, and in some cases as a PC to use.
McGregor said that, as operators subsidized shipments of smart phones is growing rapidly, the market has been flooded with dual-core mobile phone. In the price of the smart phone is not subsidized in developing countries, the quad-core mobile phone can be very expensive, which is not conducive to the universal.
In addition, the quad-core processors can be very power. Due to the support of 4G networks and high-resolution display, the power consumption of the smart phone has been great. Run complex applications will accelerate in the quad-core processors based on power consumption.
Necessity of being questioned
J. Gold Associates analyst Jack Gold said Jack Gold, the ultimate multi-core processors in the smart phone will be very important, but whether this processor should depend on mobile phone design. The phone should be designed to seek the best balance between performance, battery for COMPAQ HSTNN-DB02 life and user experience.
Gold said: "If you are a high-end mobile phone gamers, running applications and operating systems know how to use multicore processors in a suitable manner, then there is no doubt that you will benefit." However, most smart phone applications are lightweight, simply use less memory, quad-core processors do not need to bring the powerful computing power.
Gold said: "most of the applications has yet to take full advantage of multi-threading capability of multi-processor core, especially considering the use of multiple display core to the phone, which also provides the ability of parallel computing."
Some processor vendors are committed to minimize power consumption, thereby extending Dell inspiron 1545 battery life. Nvidia said Tegra 3 quad-core processors can provide excellent Dell latitude d820 battery life, smart phones, while improving the computational performance. The processor will automatically shut down the inactive core, and another low-power core to run tasks such as messaging and music playback, thereby reducing power consumption.
Integrated in the Tegra 3 4 ARM Cortex-A9 core, had been used in the ASUS Eee Pad Transformer Prime Tablet PC. Tablet toshiba satellite a105-s4364 battery life has been remarkable. Compared to smart phones, tablet PCs will be more to run high performance applications, which can make better use of the quad-core processors.
Intel's point of view
Processor core in the smartphone war is similar to the multi-core processor of the PC market a few years ago World War II. Intel and AMD for laptops, desktops and servers introduced a variety of multi-core processors to improve performance and reduce power consumption. However, the notebook mostly still using the dual-core processors.
In the MWC this year, Intel CEO Paul Otellini (Paul Otellini,) said that the number of smart phones, more importantly, not the processor core, but the system-level performance. Intel is moving into the mobile processor market. Otellini said: "I think the comparison of the number of cores is not appropriate, it is important to your overall performance, and this performance along with energy consumption."
Nvidia rival, Texas Instruments has yet to launch quad-core processors. The company said, will focus on the dual-core mobile processor power consumption and price considerations.
Insight 64 principal analyst Nathan Brookwood (Nathan Brookwood), said that once the user to see a faster quad-core mobile phone, it will be not easy to re-use dual-core mobile phone. He pointed out that the Nvidia processor vendors and mobile phone design company is introducing a quad-core processors. In addition, the Android 4.0 system can make better use of the quad-core processors, the operating system upgrade in the future will be more and more to consider this issue.
2/23/2012
HP Compaq business notebook 6715b battery
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1. New acer aspire 4736z battery pack must be fully charged before use.
2. New replacement aspire 4736z battery pack needs to be fully charged and discharged (cycled) a few times before it can condition to full capacity.
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2/14/2012
Dell, HP, Lenovo Acer laptop battery maintenance methods
Lithium laptop batteries are generally able to charge and discharge of 300-500 times. Best part of the discharge of lithium, rather than fully discharged, and to try to avoid frequent
Fully discharge. Once the battery off the production line, the clock began to move. Whether you use, the lithium battery life of only two to
Three years. The decline in battery capacity due to oxidation caused by the increased internal resistance (which is the main reason for the decline in battery capacity). Finally, the
Cell resistance will reach a certain point, although this time the KODAK Easyshare M873 Zoom Charger battery is fully charged, the battery can not release the stored electricity.
The lithium battery aging rate is determined by the temperature and charge state. The following table shows the reduction of battery capacity in the two parameters.
Temperature charge 40% (recommended)
Charging 100%
0 ° C, 98% a year
94% after one year
25 ° C, 96% a year
80% after one year
40 ° C
85% after one year
65% after one year
60 ° C 75%
A year later
60% after three months
The figure shows, the high charge state and the increase in temperature accelerated the decline in Sony Cyber-Shot Dsc-t33 Battery capacity.
If possible, try to charge the battery to 40% placed in a cool place. The protection of the battery itself so you can make in the long retention period
Circuit operation. If after the battery is fully charged at high temperatures, so the battery will cause great damage. (When we use the fixed electrical
Source when the battery is fully charged state, the temperature is generally between 25-30 ° C, which would harm the Olympus Sp-700 Battery, the cause of its capacity
Down).
Although the use of laptop computers, high-temperature battery will bring damage. But removing the battery, the use of fixed power supply there will still be some risk of electric
The pool package dust and moisture will cause damage to the battery, so manufacturers are generally warned not to remove the battery. Then you will be a period of
Period need to replace the battery, this is the case, the manufacturer is very happy.
Some of the battery due to excessive low discharge will be scrapped. If you put the battery internal safety circuit will start below 2.5 volts per cell,
Battery a bit difficult to use. However, if the battery is down to 1.5 volts per cell, and to maintain the state for some time, for safety
Reasons, do not charge the battery. To avoid the occurrence of such cases, do not store the Canon Powershot s100 Battery fully discharged. Should be in the store before charging a
More power and fully charged before use.
All in all,
(1) to avoid complete discharge, often charging a lithium battery. Repeated random charging will not damage the battery.
(2) lithium battery in a cool place, rather than frozen. Avoid placing them in a hot car. If stored for long periods, the battery charge to 40%
After placing.
3.
If you most of the time is to use a fixed power, remove the battery in a cool place.
Avoid purchasing spare lithium Olympus Sp-700 Battery for storage. Nanjing Eagle-dimensional notebook Maintenance Department, Nanjing Eagle-dimensional notebook repair center by more than
Maintenance for more than a decade of work experience, and maintenance engineers of the country two maintenance certificate of professional notebook repair team. In the maintenance
Work in practice, engineers Eagle dimensional laptop repair laptop repair technology with continuous exploration and summary, most of the pen
Remember this failure has unique maintenance techniques and insights.
Fully discharge. Once the battery off the production line, the clock began to move. Whether you use, the lithium battery life of only two to
Three years. The decline in battery capacity due to oxidation caused by the increased internal resistance (which is the main reason for the decline in battery capacity). Finally, the
Cell resistance will reach a certain point, although this time the KODAK Easyshare M873 Zoom Charger battery is fully charged, the battery can not release the stored electricity.
The lithium battery aging rate is determined by the temperature and charge state. The following table shows the reduction of battery capacity in the two parameters.
Temperature charge 40% (recommended)
Charging 100%
0 ° C, 98% a year
94% after one year
25 ° C, 96% a year
80% after one year
40 ° C
85% after one year
65% after one year
60 ° C 75%
A year later
60% after three months
The figure shows, the high charge state and the increase in temperature accelerated the decline in Sony Cyber-Shot Dsc-t33 Battery capacity.
If possible, try to charge the battery to 40% placed in a cool place. The protection of the battery itself so you can make in the long retention period
Circuit operation. If after the battery is fully charged at high temperatures, so the battery will cause great damage. (When we use the fixed electrical
Source when the battery is fully charged state, the temperature is generally between 25-30 ° C, which would harm the Olympus Sp-700 Battery, the cause of its capacity
Down).
Although the use of laptop computers, high-temperature battery will bring damage. But removing the battery, the use of fixed power supply there will still be some risk of electric
The pool package dust and moisture will cause damage to the battery, so manufacturers are generally warned not to remove the battery. Then you will be a period of
Period need to replace the battery, this is the case, the manufacturer is very happy.
Some of the battery due to excessive low discharge will be scrapped. If you put the battery internal safety circuit will start below 2.5 volts per cell,
Battery a bit difficult to use. However, if the battery is down to 1.5 volts per cell, and to maintain the state for some time, for safety
Reasons, do not charge the battery. To avoid the occurrence of such cases, do not store the Canon Powershot s100 Battery fully discharged. Should be in the store before charging a
More power and fully charged before use.
All in all,
(1) to avoid complete discharge, often charging a lithium battery. Repeated random charging will not damage the battery.
(2) lithium battery in a cool place, rather than frozen. Avoid placing them in a hot car. If stored for long periods, the battery charge to 40%
After placing.
3.
If you most of the time is to use a fixed power, remove the battery in a cool place.
Avoid purchasing spare lithium Olympus Sp-700 Battery for storage. Nanjing Eagle-dimensional notebook Maintenance Department, Nanjing Eagle-dimensional notebook repair center by more than
Maintenance for more than a decade of work experience, and maintenance engineers of the country two maintenance certificate of professional notebook repair team. In the maintenance
Work in practice, engineers Eagle dimensional laptop repair laptop repair technology with continuous exploration and summary, most of the pen
Remember this failure has unique maintenance techniques and insights.
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