DisplayThe iPhone 4S has a 3.5-inch display, which is identical with the iPhone 4’s. The users believe that the size of the current iPhone is perfect since they can easily keep it in their pockets. However this time Apple could come up with a bigger screen, which could be more suitable for watching movies or playing games. iPhone 4S already packs the Retina display with the resolution of 960x640 pixels, but the iPhone 5’s display might feature a higher resolution of 1280x720 pixels with an edge-to-edge screen.
 4G LTE ConnectivityApple could not implement the 4G LTE in iPhone 4S. However, 4G LTE is the most anticipated feature in the iPhone 5, for it has already made its debut in the new iPad. Its speed would be 10 times faster than the 3G network. The users would enjoy excellent browsing speed, thanks to the 4G LTE.
 A5 ChipiPhone 4S includes an Apple A5 chip, which is an advantage for the game players, since it provides a realistic experience, while playing the games. According to the rumors, one can expect the iPhone 5 with the same A5 chip on the power-efficient 28 nanometer process, since Apple is more serious to provide a better battery life than the graphics for the iPhone 5.
 Siri 2The iPhone 4S includes Siri technology, which is in its beta version. Undeniably, Apple could come up with an improved Siri, which could be a better assistant to its users.
 iOS 6The current iPhone runs on the iOS 5 operating system. iOS 5.1 was released at the time of the new iPad’s debut. Hence, Apple is expected to release iOS 6 at the time of iPhone 5’s launch, a feature, which could make the iPhone 5, a more powerful device.
 Enhanced CameraThe iPhone 4S includes an 8megapixel iSight camera. It packs the all-new optics feature, which allows the images to look sharper and brighter. According to the latest rumors, the iPhone 5 could come up with an incredible camera of 13-megapixels with a CMOS sensor. This amazing feature could deal a killer blow to its competitors.
 Face RecognitionFace Recognition, in its improved form, has made its debut in the new iPad. Naturally, the iPhone 5 is likely to include the feature, which will highlight multiple faces when the photos are being taken.
Apple fans are now keeping their eyes peeled on the next iPhone. The iPhone 4S an amazing device boasts of dual-core A5 chip, Siri and more. It also has 8-megapixel iSight camera with new optics. So far Apple has not yet revealed the iPhone 5's release date and its features. Not surprisingly, Apple watchers can't help wondering whether it's better to buy the iPhone 4S now or wait for the iPhone 5?
Start the slideshow to check out the comparison between the two Smartphones.