Availability: On sale since May.
Notable features: Big, sharp and colorful screen for its time, now surpassed.
Apple iPhone 5:
Display: 4-inch diagonal, 1136 by 640 pixels liquid-crystal display
Weight: 4 ounces (112g)
Cameras: 8-megapixel on back, 1.2-megapixel on front.
Storage: 16, 32 or 64 gigabytes of built-in flash memory.
Software: iOS 6
Price: $200 with a two-year contract, depending on carrier.
U.S. wireless carriers: Verizon, AT&T, Sprint, plus smaller ones.
Availability: On sale since September.
Notable features: Precision-machined metal-and-glass body.
Display: 4.7-inch diagonal, 1920 by 1080 pixels liquid-crystal display
Weight: 5 ounces (143g)
Cameras: 4-megapixel on back, 2.1-megapixel on front.
Storage: 32 or 64 gigabytes of built-in flash memory.
Software: Android 4.1.2 "Jelly Bean."
Price: Not announced yet.
U.S. wireless carriers: AT&T, T-Mobile USA, Sprint. Others not yet announced, but likely.
Availability: On sale in the next few months.
Notable features: Precision-machined aluminum body. Back-side camera has sacrificed resolution for better ability to take pictures in low light. Thanks to infra-red diode, can act as universal remote for entertainment center.
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