Power rating Apple iPhone 4S

iPhone 4S offers a faster processor, graphics chip, controlled voice with Siri, the back equipped with 8 megapixel camera with 1080p video recording capabilities, and supports both GSM and CDMA connection speed HSPA + high.

It's just an upgrade

If you look from the outside, iPhone 4S is an exact replica of the iPhone 4. The difference in this debut is the second release a black and white version for users to choose from.
The phone is completely stereotyped design of the iPhone 4 before the two sides of glass panels associated with a thin metal strip running around the edges to form a "sandwich" is only 9.3 mm thick. Although fragile, but users still feel a certain design.

The front of the iPhone 4S

Still Apple's standard buttons from the button below the LCD screen, volume control layout on the left, the button switch on silent mode, headphone jack and power button on the second side, SIM card slot on the right (you'll need a paper clip to eject the SIM out). The following is the basic design with a shiny Apple logo, thin metal ring surrounding the new camera does not seem larger than the camera on the iPhone 4.
If you do not see this as a "new phone" disappointing, the glass design combined with reasonable layout, 4S iPhone is actually a brilliant upgrade to choose.

The back of the iPhone 4S

4S iPhone weighs 140 grams, up slightly from 137 grams of the iPhone 4, but it was not a significant increase as you feel like holding a device is too large or too heavy. That is one reason why Apple did not increase in size 3.5 inch external display, the size that most people considered reasonable.

The power inside

Still a 3.5 inch display with 960 x 640 resolution, VGA front camera support FaceTime supports GPS, Wi-Fi and the choice of storage 16 GB, 32 GB or 64 GB . Almost all taken from the iPhone 4S.
The main difference lies in the iPhone 4S is equipped with dual-core processor A5, 8 megapixel rear camera supports video recording, Bluetooth 4.0, support Siri features voice control, talk time up to 8 hours and HSPA + connection with download speeds up to 14.4 Mbps.

Speed ​​improvements

Apple offers dual-core chip inside the iPhone 4S A5 2 times faster than A4 in the iPhone 4 and GPU is also capable of processing speed up to 7 times. But all the ads, two cores does not necessarily mean that iPhone 4S will be 2 times faster than the iPhone 4. However, the upgrade will certainly provide a faster pace as in the upgrade from iPad to iPad 2. But the outcome, only that the new test results.

Testing with the Google Maps application, iPhone 4S complete open the application in about 0.88 seconds, while the iPhone 4 takes more than 1.55 seconds. Repeated, resulting in almost no change. iPhone 4S actually faster and more responsive. Therefore, the game developers can harness the power that this device offers.
The results of performance tests also showed that iPhone 4S general working approximately two times faster than the iPhone 4. Graphics capability, test ProGLBench benchmark performance graphics through a series of 3D game shows, the ability to process iPhone 4S is about five times faster than iPhone 4 with the same aspect ratio .

Test results

	Geekbench 2.1.9	SunSpider 0.9.1	Webpage	GlBench Egypt	High GLBench Egypt	GLBench Pro	GLBench Pro High
iPhone 4S	625	2.2	6.6	59	58	59	50
iPad 2	716	1.8	6	59	56.5	59.1	58.4
iPhone 3G (iOS 4)	273	14	20	18.7	18.7	30.6	25.9
iPhone 4	373	3.6	13	14.1	10.6	22.1	17.6
iPad (iOS 4)	451	3.2	12	8.7	6.6	18	14
iPhone 3G (iOS 4)	138	39	45	Anonymous

Powerful imaging capabilities

Apple also was quick to point out that most images on Flickr from the camera has taken on the iPhone, so clear 5 megapixel camera of iPhone 4 before it really has a great influence on the fan like taking pictures. Although lower resolution than the other Android phones, but sensors for image quality and good color, combined with HDR mode that really attract users.
With the iPhone 4S, Apple has increased the resolution sensor when shooting still images up to 8 megapixel (2448 x 3264 pixel), a series of innovative optical lens, f/2.4 aperture larger and ability 1080p Full HD video capture allows users to feel worn a high PNS. Users also can shoot faster when shooting as soon as the lock screen mode, saving operation than the iPhone 4.

In fact, both cameras are the same as taken by the user simply will not differ on the 3.5 inch screen. But when you open a video or image on the desktop, image quality from the iPhone 4S proved superior.
According to Apple, 1080p and 720p video quality is perfect, the level of clear and sharp compared to other competitors. However, ever-changing iPhone 4S lifelike images that can capture subjects in low light much better. The shooting for more accurate colors, iPhone 4 in some scenes feel too difficult to put away the red or blue objects, while iPhone 4S proved much better treatment.

Pictures of iPhone 4S brighter than the iPhone 4

However, considering that the iPhone 4 has a wider viewing angle compared to video mode iPhone 4S. This means iPhone 4 allows better scene when so many people want to capture in a photograph.
For many photographers usually, iPhone 4S is a replacement can give a PNS camera except that the user wants to proceed to capture the distant objects need to zoom closer.

Images from the camera of 5 5 different life iPhone, iPhone 4S proved superior to many

Siri feature

In addition to dual-core processor with 8 megapixel camera, a feature most noticeable in comparison with the iPhone 4 iPhone 4S features Siri is built.
Siri is considered a "virtual personal assistant" that allows users to control their phone via voice commands, such as naming someone to call them.

Siri can play songs from the library, find direction, alarms, appointments, email copy, look for the stock price information, write notes, web search, ...

More impressive is that Siri allows you to be able to talk with the natural language instead of the required statements. You can use any question, such as "Tell me the weather", "Is it raining?", "How cold is it outside?", "What's the weather ?",... as long as you understand what Siri can and can not do based on the analysis of relevant requirements. Notably, Siri can record voice commands correctly even with the most noise.

Although not able to respond quickly to requests for orders Siri time to "think" all from the command to execute, but the integration into the iPhone 4S Siri has opened a new smartphone to the world using limited knowledge of technology can quickly compose a text with a lightning fast speed.

Experiment with features on the iPhone 4S Siri

Quality HSPA +

HSPA + features included in version Apple iPhone 4S will help your users can access the 4G network speeds much higher than the previous version.
In a series of tests in and out of buildings in downtown Portland, the highest speed of an iPhone 4 is just 0.3 Mbps, while the iPhone 4S result in at least 0.4 Mbps and indeed can be up to 3 Mbps at some point. Considering the average quality gain of about 1 Mbps network, surpassing its previous model.

According to the theory of technology, the speed can reach to the top of the 14.4 Mbps mark. Although results will not be impressed with the speed from 18 to 22 Mbps of Droid Bionic 4G LTE network of Verizone but this result 4S also iPhone into a powerful machine.

Battery life

Although the speed and still keep the physical size of the battery but the iPhone really 4S battery provides better performance than the iPhone 4. According to the Apple ads, 4S iPhone allows users to call within 8 hours (up from 7 hours in the iPhone 4), 200 hours standby, 6 hours in 3G mode and 10 hours after using Wi-Fi (up from 9 hours). In fact, this figure rose is just a small level, users still have to charge the batteries every night.

Evaluation of the craft

Although not equipped LTE iPhone 4S, no larger screen or not slimmer shape but considering that the iPhone 4S is one of the most attractive smartphone on the market. With many useful features than the predecessor, including increased speed, support Siri unique, intuitive, ... can say that users are not disappointed.

Pros

• Powerful Camera
• Siri support new features, handy
• Support connecting high-speed HSPA +
• Retina Display The display is stunning quality
• Compact design, attractive

Cons

• Still no support for connecting high-speed 4G LTE
• Not equipped with an expandable memory card slot, no battery replacement
• Designed with a glass surface which case the user needs to protect your equipment

Rating: 8.5 / 10