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Phone Samsung SPH-A520 Samsung SCH-A990 HTC Droid Eris Apple iPhone 4 (CDMA) Samsung SGH-A127
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.2" diag.
5 : 3
3.5" diag.
5 : 3
?
Display Resolution & Type ?
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery ? 1,000 mAh 1,300 mAh ? 800 mAh
Processor ? ? 528 MHz MSM7600 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB * ? raw hardware
Main Camera - 3 megapixel 5 megapixel 5 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? CIF (352 x 288) 720p HD -
Front Camera - - - Yes -
Weight 3.6 oz
(102g)
4.4 oz
(125g)
4.43 oz
(126g)
4.8 oz
(136g)
2.86 oz
(81g)
Dimensions 3.46" x 1.83" x 0.91"
(88 x 46 x 23.1 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.45" x 2.19" x 0.52"
(113 x 55 x 13.2 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.39" x 1.67" x 0.76"
(86 x 42 x 19.3 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android iOS (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 850, 1900

Data Technology 1xRTT EVDO r0 EVDO rA EVDO rA GPRS
Features 
Flashlight - Yes - - -
GPS / Location Yes Yes n/a n/a -
Accessibility
Adjustable Text Size - - n/a n/a -
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display Yes Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes -
Mobile Hotspot - - n/a n/a -
USB - Yes Yes
Mini-USB
Yes -
Wi-Fi - - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a -
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing Yes Yes n/a n/a -
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - - n/a n/a -
EMS / Picture Messaging - Yes n/a n/a -
Instant Messaging - - n/a n/a -
MMS - Yes n/a n/a Yes
Text Messaging Templates - Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - Yes n/a n/a -
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - Yes -
Video Calling - - n/a n/a -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a Yes
Voice Memo Yes Yes n/a n/a Yes
Software
BREW - Yes n/a n/a -
Games Yes Yes n/a n/a Yes
Java (J2ME) - - n/a n/a Yes
Voice
Headset Jack (2.5 mm) Yes - n/a n/a -
Speaker Phone - Yes Yes Yes Yes
  Samsung SPH-A520 Samsung SCH-A990 HTC Droid Eris Apple iPhone 4 (CDMA) Samsung SGH-A127
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SPH-A520 Samsung SCH-A990 HTC Droid Eris Apple iPhone 4 (CDMA) Samsung SGH-A127

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