Besides the price, iPhone 4 and iPhone 4S do like exactly alike. It’s inside the minimalistic, all glass exterior where you’ll find all the changes. iPhone 4S features a new processor, improved camera optics, more internal storage, a dual-band 3G radio (world phone), improved GPS tracking, video mirroring and 1080p video capture. So for $100, you get the iPhone 4’s 1GHz processor, five megapixel rear-facing camera, 720p video capture and no ability to wirelessly transmit your videos to an HDTV through the Apple TV. You can still plug the iPhone 4 into an HDTV with the Apple Digital AV Adaptor, however ($40).

From the front and rear glass panels to the sleek steel band, everything on the outside still feels the same. As expected, the dimensions are also the same – 115.2 x 58.6 x 9.3mm. However, the iPhone 4S is a tad heavier, coming in at 140g, compared to the 137g of its predecessor.

One slight change in the design would be the placement of the buttons on the left spine. As seen in this picture comparison, the iPhone 4S’ mute button and the volume keys are raised just a little bit compared to the older model (GSM variant). It is quite a minute difference. However, protective cases that have these precise button openings for the iPhone 4 may not necessarily fit the newer version. For CDMA variants, some users have noted that their version of iPhone 4 cases will also likely fit the 4S.

While most of it’s physical appearances may not have changed, Apple made sure that the iPhone 4S got souped up under the hood.

First on the list would be the camera – which went from 5 megapixels on the iPhone 4 to 8 megapixels, a move that would bring it on par with its competitors. The new 1080p video resolution is also a welcome development. Aside from increasing the photo and video resolution, the 4S uses a 5 element lens that should result in sharper images via optics.

The new iPhone’s lens also totes an aperture of f/2.4, new CMOS sensor with backside illumination, and a new Hybrid IR filter for better color rendering. All these improvements turn the iPhone 4S into a very capable digital camera replacement for the regular user. Taking shots proved to be very snappy, colors were more accurate, the dynamic range was wider, and had less noise despite the higher resolution sensor over the iPhone 4, the video below was shot on the iPhone 4S in full HD at 1080p.

Lastly, there is the digital voice recognition software called Siri. It’s one of the iPhone 4S’ main selling points, and it can send your emails, make appointments or search for a breakfast joint by listening to your voice. Again, there are apps that can make up for some of these abilities on the iPhone 4, but Apple says the iPhone 4S’ new CPU is what allows it to run Siri. Without the dual-core system, Siri would be too taxing on iPhone 4’s system and battery. If you’re shopping for a new smartphone, the iPhone 4 is a great choice, just remember the new store bought versions have only eight gigabytes of internal storage. Both devices are on Sprint, AT&T and Verizon with a new two year contract and data plan. Tell us in the comments what you prefer about either the iPhone 4 or iPhone 4S.

Whether you have an iphone 4 or an iphone 4s, or whether you are going to buy an iphone in the nearly feature, you will need the cucusoft ipad to computer transfer discount and iskysoft coupon codes to help you play your iphone easier. And sometimes, you may need to remove drm if you want to share music and videos on other device.

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