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Phone AT&T Vista Samsung SCH-U740 Alias Motorola Evoke QA4 Motorola i580 Samsung M400
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.5" diag.
18 : 9
? 2.8" diag.
5 : 3
? 2.4" diag.
4 : 3
Display Resolution & Type 720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 2,450 mAh ? 1,170 mAh ? 1,000 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761V) ? MSM6800a ? 400 MHz Qualcomm QSC6155
RAM 3 GB ? ? ? 128 MB
Storage 32 GB ? raw hardware ? raw hardware ? raw hardware 256 MB
Main Camera 8 megapixel 1 megapixel 2 megapixel 1 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD ? ? ? -
Front Camera 5 megapixel - - - -
Weight 5.51 oz
(156g)
3.56 oz
(101g)
4.52 oz
(128g)
4.9 oz
(139g)
3.7 oz
(105g)
Dimensions 5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.84" x 2.04" x 0.63"
(98 x 52 x 16 mm)
4.25" x 1.99" x 0.69"
(108 x 51 x 17.5 mm)
3.68" x 2.2" x 1.2"
(93 x 56 x 30.5 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
Form Factor Slab Clamshell Slide Clamshell Clamshell
Platform / OS Android (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

CDMA: 850, 1700, 1900

iDEN: 800

CDMA: 800, 850, 1900

Data Technology LTE (Cat 4) EVDO r0 EVDO rA WiDEN 1xRTT
Features 
Flashlight Yes - - - -
GPS / Location n/a Yes Yes Yes Yes
Ruggedized - - - Yes -
Accessibility
Adjustable Text Size n/a - - - Yes
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - Yes - Yes Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
USB Yes
USB Type C
Yes Yes - Yes
Micro-USB
Wi-Fi Yes - - - -
Contacts
Picture ID n/a Yes Yes Yes Yes
Ringer ID n/a Yes Yes Yes Yes
Voice Dialing n/a Yes Yes Yes Yes
Customization
Custom Graphics n/a Yes Yes Yes Yes
Custom Ringtones n/a Yes Yes Yes Yes
Real-Music Ringers n/a - Yes - Yes
Data & Network
Data Tethering n/a Yes Yes Yes -
WAP / Web Browser n/a Yes Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen Yes
Capacitive
- Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a Yes Yes - -
Instant Messaging n/a Yes - - -
MMS n/a Yes - Yes Yes
Text Messaging Templates n/a Yes - Yes Yes
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a Yes Yes Yes * -
Productivity
Alarm n/a Yes Yes - Yes
Calculator n/a Yes Yes Yes * Yes
Calendar n/a Yes Yes Yes Yes
Voice Memo n/a Yes - Yes Yes
Software
BREW n/a Yes Yes - -
Games n/a Yes Yes Yes Yes
Java (J2ME) n/a - - Yes -
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a - - Yes -
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  AT&T Vista Samsung SCH-U740 Alias Motorola Evoke QA4 Motorola i580 Samsung M400
  X > < X > < X > < X > < X

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

 
Phone AT&T Vista Samsung SCH-U740 Alias Motorola Evoke QA4 Motorola i580 Samsung M400

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