Apple is holding an event for the media Tuesday that may see the release of the highly anticipated fifth-generation iPhone.

Tim Cook, who succeeded Steve Jobs as Apple CEO, is expected to showcase a smartphone that may have these features:

Operating system: iOS5

Power: built-in rechargeable Li-ion battery to have longer battery life than iPhone 4.

CPU: A5 processor, same as iPad 2.

Storage capacity: 16 GB or 32 GB flash memory, same as iPhone 4. 5 GB of free space available at iCloud.

Memory: 1 GB of RAM compared to just 512 MB eDRAM from the previous.

Form Factor: Similar design to iPhone 4.

Screen size: Larger screen than the 3.5-inch iPhone 4.

Audio: Single loudspeaker and dual microphone.

Camera: 8-megapixel rear camera and 0.3 MP (VGA) front camera

Connectivity: GSM "and" CDMA, suggesting that the new device will be a world phone. iPhone 5 will also have Wi-Fi, Bluetooth and 4G compatibility, and possibly LTE technology.

Dimensions: Wider and thinner than iPhone 4. iPhone 4 has dimensions of 115.2 mm x 58.66 mm x 9.3 mm.

Weight: Lighter than iPhone 4's 137 g (4.8 oz)

Mobile payments: To possibly have near field communication chips.

Regardless if the iPhone 5 is an overhaul or just has minor aesthetics and under-the-hood changes to the iPhone 4, the iPhone 5 will bring Apple to record heights given the the brand, marketing, and hype, even though Jobs is gone.

Since the iPhone revolutionized the smartphone industry, rivals have been to keep up and released their own smartphones that have touch-screens, sleek and streamlined designs, have wide array of apps for customization, and attractive user interfaces. However, with the iPhone 5 set to eclipse all previous launches, here are the top five phones that could be hurt in a stampede for the iPhone 5:

Iphone Apple Inc. Steve Jobs Ipad