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Phone Samsung PM-A840 BlackBerry 7750 HTC Droid Incredible 4G LTE Samsung Heat
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 4" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
240 x 240 pixels
LCD (Color)
540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery ? ? 1,700 mAh 800 mAh
Processor ? ? 1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960 ?
RAM ? ? 1 GB ?
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware
Main Camera Yes - 8 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 1080p HD ?
Front Camera - - Yes -
Weight 3.28 oz
(93g)
5.01 oz
(142g)
4.66 oz
(132g)
3.17 oz
(90g)
Dimensions 3.54" x 1.85" x 0.94"
(90 x 47 x 23.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.82" x 2.4" x 0.46"
(122 x 61 x 11.7 mm)
3.6" x 1.8" x 0.6"
(91 x 46 x 15.2 mm)
Form Factor Clamshell Slab Slab Slide
Platform / OS (proprietary) BlackBerry OS Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 13

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT 1xRTT LTE (Cat 3) EVDO r0
Features 
GPS / Location Yes n/a n/a Yes
Accessibility
Adjustable Text Size - n/a n/a Yes
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - Yes - -
Connectivity
Bluetooth - - Yes Yes
Mobile Hotspot - n/a n/a -
NFC - - Yes -
USB - Yes Yes
Micro-USB
Yes
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a -
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers - n/a n/a Yes
Data & Network
Data Tethering - n/a n/a -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - - Yes -
Memory
Memory Card Slot - - Yes -
Messaging
Email Client - n/a n/a -
Instant Messaging - n/a n/a -
MMS - n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - n/a n/a Yes
Photo & Video
DLNA - - Yes -
TV Output - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List Yes n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a -
Voice
Headset Jack (2.5 mm) Yes n/a n/a -
Speaker Phone Yes - Yes Yes
  Samsung PM-A840 BlackBerry 7750 HTC Droid Incredible 4G LTE Samsung Heat
  X > < X > < X > < X

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Phone Samsung PM-A840 BlackBerry 7750 HTC Droid Incredible 4G LTE Samsung Heat

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