FACTBOX-New iPhone has similar specs to rival devices

Here's how the Apple Inc iPhone 4S stacks up to rival devices from Samsung Electronics Co Ltd, HTC Corp and Motorola Mobility.

iPhone 4S:

Price: starts at $199 w/contract on AT&T, Verizon, Sprint

Operating System: iOS 5

Network: HSPA+ AT&T, CDMA Verizon, Sprint

Memory: Starts at 16 GB

Processor: dual-core, twice as fast as iPhone 4 processor

but Apple declined to disclose actual speeds

Camera: 8 megapixel

Display: 3.5 inch

Samsung Galaxy S II:

Price: $229.99 w/contract at T-Mobile USA

Operating system: Android

Network: WiMax, HSPA

Memory: 16 GB

Processor: 1.2 Ghz dual core

Camera: 8 megapixel

Display size: 4.5 inch

Motorola Droid Bionic:

Price: at Verizon Wireless - $300 w/contract

Operating System: Android

Network: LTE/CDMA

Memory: 16 GB

Processor: 1 Ghz dual-core

Camera: 8 Megapixel

Display size: 4.3 inch

HTC Sensation 4G

Price at T-Mobile -$200 w/contract

Operating System: Android

Network: HSDPA Plus

Memory: 1 GB

Processor: 1.2GHz dual-core

Camera: 8 Megapixel

Display size: 4.3 inch