Dual-core processors do not double performance of Smartphone

Currently there are four major manufacturers of processors for mobile phones: Samsung, Nvidia, Qualcomm and Texas Instruments. Producers such as the Chinese company is the dominant rock chip or even on the desktop market giant Intel in mobile terminals in Europe play a minor role, however. Anyone who compares the approaches of the four major manufacturers will find exciting matches, but also differences in approaches to the subject of multi-core.

All the same – but different

All chips used are based on the ARM design – seen, the four firms forth do not have their own processors, but they only change. But that is far harder than it sounds, and leads to very different results, which show different views of the competitors. While Qualcomm is proud of the fact that the dual-core chip clocked asynchronously, the company can therefore operate with different clock frequencies, voltages and power, Nvidia maintains that even counterproductive.According to the processor can Newcomer mobile operating systems like Android does not deal with anyway differently clocked processor cores. Also brake the shared cache memory from the system because of the faster core must always wait until a response of the slower. In the desktop segment will therefore dispense with it.

For the future, there is disagreement. While Nvidia has announced long ago the next generation with four processor cores and the first devices that already at the end of the year are expected, is Texas Instruments prefer to use two fast cores, the weaker of two support: In the Tegra 3 are stuck four Cortex-A9 cores in OMAP5 two powerful Cortex A15 and M4 two simpler units. The logic behind this: Nvidia relies on increased multitasking and that four equally strong cores and more tasks simultaneously and equally well to work through. In the opinion of the Texas Instruments but consumes too much power – or at least more than two more modern chips. Because Nvidia has to be applied to produce even simple tasks for a full processor core, the OMAP5 jump in one of the smaller nuclei. The large A15 then take over only the heavy lifting. Which theory is correct, will show only the practice.

More processor cores are not only the future

More cores means more power and less power consumption. But the fact is that a processor chip anyway, not only from the main nuclei exists, but from numerous subnuclei, the specialist for individual sub-tasks. Thus, even the graphics accelerators consist of up to 10 cores, which are particularly good about it, play video or run 3D calculations. Whether there are really four cores make more sense than two? However, Nvidia does not plan to increase with each new processor generation to simply the number of cores, and stresses similar to Texas Instruments, that the improvement of individual cores is extremely important.

Tegra zone and game-stroke – and what else?

Another point that is approached differently by the manufacturers, the dissemination of specially adapted software like games. Nvidia Tegra is a very early stage of his went into the offensive zone in order to provide users of mobile devices with Tegra chipset a better overview of specially tailored content. In addition, the company’s software– provider with the active help in the optimization. Draw from both parties have their benefits: Nvidia provides its customers added value and benefit of the programmer assistance by a large and experienced protege. Left Texas Instruments and Qualcomm are in strong support of developers, however, a separate overview for software platform aimed not at the moment. Samsung is referring to his Game stroke, the beginning of the fourth quarter of 2011 are also available on tablets. There are already similar to the Tegra zone specifically to find the performance of the devices adapted games.

Despite differences again?

The use of smart phones and tablets just keep evolving in the direction of desktop PC, all manufacturers have to agree. Games, Multimedia and Internet use have reached a level that corresponds roughly to the power of a computer from a few years ago. Therefore, whether the move towards multi-core processors only logical, then the Samsung representative on the conversation. Finally, dual cores are more powerful and consume in a direct comparison with the same demand less power. But despite all the different philosophies in chip design Samsung sees no major differences in the processors. On the contrary, the manufacturer sold in some regionsGalaxy S2 instead of their own Exynos chip with the two Nvidia Tegra out. Great differences in performance were not there but to notice.

Advantages and disadvantages of dual core chips

A simple rule of thumb is: more cores, more power. But that is only half the story, as substantiated in an interview with Texas Instruments figures. In fact, bring two cores, compared to a non-double performance, but only 1.7-fold and four cores is not four times, but only 2.5 times the performance. The next half-truth: The lower power of multicore chips. That is basically correct, but only if they are one and the same activities are compared. Nvidia has called this a clear example: Will a single core running at 1 gigahertz with a specific task with 100 percent utilization, the same task could be done by two cores clocked at 550 MHz only. This means in this example that the single-core consumes 1.1 volts, the dual core chip but overall only 0.8 volts -. A power savings of 40 percent this embezzled the provider but like the fact that multi-core processors under full load as 3D games also like to consume more electricity than a single core. But in the opinion of Nvidia’s only logical: If you want more power, must also live with more power consumption. For what good is a single-core, which, although used less power but can not deliver the required performance? Currently, there is another point also speaks against multi-core chips: the price. Although none of the producers wanted to make details of the additional costs of dual-core processors, but that they are more expensive than their brothers is simple, clear. That should change soon, however.Corresponding chips are only manufactured in large quantities, prices fall – this simple marketing formula also applies to processors, such as Samsung said.

Dual cores have more power – why is it still jerky?

The tests have shown it Areamobile: Even Dual-Core Mobile Tablets are sometimes at their limits and show that by more or less severe stuttering while zooming or scrolling. Because the chips are not to blame, according to the unanimous opinion of the manufacturer. This was partially on the operating system of the smartphone. According to statements from Nvidia was about to launch Android 3.0 Honeycomb still not as mature as it should have – with the next version 3.1, it was a performance boost of about 30 percent. The drivers – such as for the graphics accelerator – it could be further optimized and uploaded with the new version of the OS.

Another problem, according to the manufacturers are not properly programmed user interfaces of smart phones, the processor-Quadriga. If the developers skimp here, even the strongest processor profitable anymore. This could be particularly impressive when LG Optimus Speed ??see the first dual-core smartphone world. Only after numerous firmware updates the unit reached a performance level that a dual-core smartphone is worthy.

Conclusion

With the next generation of multi-core processors is not far from the end – to an older roadmapNvidia had announced some time ago about his goal in just five years, the power to verachtzigfachen the Tegra chips. Looking at the current development, which also seems quite plausible. Whether it makes sense in the near future more than four cores, is the difference between the views of the manufacturers – over short or long to be but at least the dual-core chips, which are currently only top equipment reserve, also in Mid-and Lowrange devices catchment . keep About a lack of power should be at least nobody can complain.

Galaxy S and S2 the prohibition on sale

As the website Webwereld reported that a Dutch court today granted a temporary injunction by selling ban for Samsung smartphones Galaxy, Galaxy and Galaxy S2 Ace in the Netherlands. The reason for the judicial sale was a violation of stop Samsung from an Apple patent number EP 2058868.

Stop the sale starts from 13 October. The patent infringement refers to the way how to interact in a picture on the screen with his finger. Against two other patents, however, did not violate the South Korean company, in the opinion of the court and dismissed the complaint in these cases as well as in the case of copyright and design patent infringement, which Apple had complained in the same case, from.

Background of the ban on sale by the Dutch court is guided by the hardball campaign of the two electronics giants Samsung and Apple . The company from Cupertino American in Germany had already obtain a temporary cessation of sales of the Galaxy Tab 10.1, and had in the current case, the district court in The Hague demanded that the entire Galaxy series by the company should no longer be sold.

This development is likely Samsung hit hard, because in addition to the Galaxy and the Ace is also the current top model Samsung Galaxy S2 is among the machines, which now first in the Netherlands may no longer be sold, in addition, Samsung has all the logistics for the European continent stationed here. Over 28 Distribution channels are concentrated in the small Central European country, as is clear from the lawsuit filed by Apple. To what extent the further requirement should not also be sold at electronics retailer, Samsung phones shipped, must be enforced is still unclear.

Symbian 3 Belle The new features of firmware updates

The Belle update for the Symbian smartphone operating system 3 provides three important new features for users: The menu of the Nokia smartphones is flatter, offering more rapid access to applications and can be personalized on widget versions in different sizes. And what’s more, the new support NFC applications.We provide the first impressions of the Belle update on the Nokia 700 and Nokia seven hundred and first

Through the innovations that bring the Belle update for the platform, can be the smart phones operate faster and easier than with previous versions of the operating system – this impression we won the first test of smart phone models Nokia 700 and Nokia 701 today at the presentation of Devices in Berlin. The Nokia 701 is the more powerful of the two models for the German market today presented devices from Nokia. More about the hardware of the smart phones we describe in a previous message .

Shallower menu structure

For a faster and simpler operation with Symbian 3 Belle ensure a clearly shallower menu structure, so-called live widgets and a pull-down menu with information and settings for messages, calls, downloads and data connections of the device. For example, now all installed and re-downloaded seem to mobile applications in the main menu so that the user already has one-click access to each application can have. So far, the number of icons in the main menu was limited to twelve. Folder by default to appear here no more, but the user can be created on demand.

Six-page homescreen

On the six-page homescreen widgets in different sizes can be placed at any positions. However, Nokia provides the users of smartphones with Symbian 3 Belle up to five fixed sizes of widgets – the size can not be determined by the user freely.The maximum expansion can take a widget about half of a home screen page. Sorry, there are no widgets available in different sizes, so that we could not test this.

Live Widgets

Also new and useful: Even within the widgets – hence the name live widgets – the user can, for example in e-mail inbox, scroll and go directly to a selected message – and thus, the Belle update a speed advantage over Symbian-3 version with Anna-update.

Scrollbar

Another major innovation is the pull-down menu at the top of the screen. This informs the user about missed calls, received messages, available software updates, the status of ongoing app downloads, or the status of data connections such as WiFi or Bluetooth – it can be in this scroll bar also activate the same on or off without first setting menu , as it is now open at the 3 Symbian case. Also, the music player are called from the scrollbar out. The bonds of Android are unmistakable here.

Support NFC applications

This supports Symbian 3 Belle NFC applications. For example, users can share through brief contact between two NFC-enabled devices, content such as contacts, images or videos together. In the same way, NFC-enabled smartphones like the Nokia 700 and 701 are coupled with the Nokia NFC-enabled accessories like speakers or headphones. Gamers should also benefit from NFC, for Beisspiel by unlocking hidden levels at or Angry Birds of a hidden sword in Fruit Ninja. Also extends to each brief contact of two NFC-enabled devices.

Web Browser

The Belle update for Symbian 3 offers no way revised browser, as it was, for example when Anna update the case. Therefore, running on the Nokia 701, the well known Symbian default browser of version 7.3. Version 8 will be out in the course of the future Symbian-3 upgrades.

Oracle misstep with Google Android

The war between Google patent is Oracle is still far from over, but things are developing for Oracle does not like the company would like, so much so that after analyzing the reports submitted by two companies, Judge William Alsup who is researching the case has shown them to rethink the proposal made.

They are the 2.6 billion that Oracle calls to Google for using parts of Java codeon Android, but the proposal could be scaled much. In fact, almost everything.

But what is the reason for this call by the court? In a nutshell, in 2007 when Java was Sun’s then-CEO of the company asked Google to use the programming language in Android: Oracle has erased the historical information that shows precisely how Google was not to copy the technology. A real gaffe, then, that should force Oracle to now propose a compensation of only $ 100 million, but the situation is becoming more complicated and could Google the horizon a total success.

At this point, the required billions of Oracle for alleged infringement of patentscould be completely overturned, and if a few weeks ago we feared a possible ditching of Android as a compensation of $ 2.6 billion would be almost more money than the group of Mountain View has it proceeds with the advertising on the mobile operating system, now the situation could evolve in totally different directions.

Samsung S2 Galaxy better than the iPhone 4

Android moves past the iPhone and with significantly lower prices. This is the result of the Stiftung Warentest is in the September issue of its magazine test, for which it has tested 15 7 multimedia smartphones and cell phones.

The current winner Samsung S2 Galaxy for $750 is the best phone that has ever tested by Stiftung Warentest. It especially impressed with his very high-contrast display . Especially in bright conditions it still cuts off a bit better than the iPhone 4 , which has also received the grade “Very Good”. The white Apple iPhone 4 for $937 has the best camera in the current test and is particularly stable.

Who an Android smartphone with a physical keyboard is investigated, with the HTC Z for $563 best served, then the tester. The best multimedia phone is the opinion of the Stiftung Warentest Nokia C3-01 Touch & Type . The model, which is already available for 156 euros, was just the ‘good’ grade achieved.

In the latest test show a number of smartphones, the kind of radio problems, by far only the iPhone 4 noticed was: The HTC devices Desire S, Desire and Wildfire S and the LG Optimus Black breaks the transmission power when the devices at a specific place to be touched. The foundation has also compared the parallel current phone rates and found that prices since the beginning of infrequent users declined by up to 45 percent. Not even $7 a month to be paid at four providers when little phone with the phone and surf occasionally.

Htc thunderbolt release date

Someone pinch me, I must be dreaming. Verizon Wireless has finally released an official press release detailing the launch of its first handset LTE 4G, fell in love with HTC’s most recent release date rumor of March 17 looked all but locked in through leaks recent but you can go ahead and circle the date on your calendar. On Thursday, the lightning will be available to all.

Love at first sight will be priced at $ 249.99 on a two-year contract, and 4G data plans to keep the charging system as well as Verizon currently offers 3G. $ 29.99 allows you unlimited data. Until May 15, Thunderbolt all owners will also receive free use of the capabilities of Big Red mobile hotspot.

Now that we know the date is official, life can finally return to normal. See below for the press release.

Thunderbolt ™ by HTC Available Beginning March 17

BASKING RIDGE, NJ – Verizon Wireless and HTC today announced the Thunderbolt by HTC ™, exclusively from Verizon Wireless, is available on March 17 in Verizon Wireless Communications store and online at www.verizonwireless.com for $ 249.99 with a two-year contract to new customers.

Powered by Android ™ 2.2, fell in love with is the first HTC smartphone to take advantage of Verizon Wireless 4G LTE network. Love at first sight by HTC features the latest version of the HTC Sense ™ experience, which offers improvements, including new customization options, a consolidated e-mail inbox, and unique camera effects and filters . Love at first sight by HTC is equipped with support for Google Mobile services, including Gmail ™, YouTube ™ and Android Market ™ with thousands of free applications. In addition, the thunderbolt by HTC offer 4G LTE optimized applications such as EA Rock Band, Gameloft Let’s Golf, TuneWiki and Bitbop.

Other features:

4G LTE – Mbps and download speeds of 5 to 12 Mbps and upload speeds of 2 to 5 Mbps wireless coverage area broadband 4G 
4.3 “WVGA 
eight – front and rear megapixel HD (720p) video 
1.3-before megapixel camera facing the camera with video chat capabilities 
of next-generation processor 1GHz Snapdragon 
Mobile Hotspot capacity – part 4G connection with up to eight Wi-Fi devices 
to 8 GB of onboard memory and a preinstalled 32 GB microSD card (formatted capacity is less effective) 
Built in stand for easy viewing media 
With the lightning strike by HTC, customers must subscribe to a plan for national calls and Verizon Wireless 4G LTE data packet. Talk Nationwide plans to start $ 39.99 monthly access and unlimited data plan 4G LTE is $ 29.99 monthly access.

Mobile Hotspot allows users to connect up to eight Wi-Fi fastest devices of the nation via a wireless network application available on the lightning strike by HTC. Mobile Hotspot will be included at no extra charge May 15. After May 15, customers can choose to enable Mobile Hotspot for $ 20 for 2 GB of data per month. Customers can track their data usage by downloading the application available on the My Verizon Android Market or by logging into their account My Verizon online at www.verizonwireless.com / myverizon.

For more information on Verizon Wireless 4G LTE www.verizonwireless.com/4glte visit. For more information on love at first sight by HTC please visit www.verizonwireless.com / lightning. For more information on products and services, Verizon Wireless, visit a Verizon Wireless Communications Store, call 1-800-2 JOIN IN or go to www.verizonwireless.com.