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Phone Samsung M400 Huawei M750 Motorola Moto G (GSM, 2nd gen.) Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
2.8" diag.
4 : 3
5" diag.
16 : 9
?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 1,000 mAh 1,150 mAh 2,070 mAh 800 mAh
Processor 400 MHz Qualcomm QSC6155 ? 1.2 GHz Qualcomm Snapdragon 400 ?
RAM 128 MB ? 1 GB ?
Storage 256 MB ? raw hardware 8 GB * ? raw hardware
Main Camera 1 megapixel 1 megapixel 8 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 720p HD -
Front Camera - - 2 megapixel -
Weight 3.7 oz
(105g)
3.92 oz
(111g)
5.26 oz
(149g)
3 oz
(85g)
Dimensions 3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
5.57" x 2.78" x 0.43"
(141 x 71 x 11 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 800, 850, 1900

CDMA: 850, 1700, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT 1xRTT HSPA+ 21 GPRS
Features 
GPS / Location Yes Yes n/a -
Accessibility
Adjustable Text Size Yes - n/a -
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages Yes - n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot - - n/a -
USB Yes
Micro-USB
Yes Yes
Micro-USB
-
Wi-Fi - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes n/a Yes
Ringer ID Yes Yes n/a Yes
Voice Dialing Yes - n/a -
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers Yes - n/a -
Data & Network
Data Tethering - - n/a -
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes - n/a Yes
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Touch Screen - Yes Yes -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - Yes n/a -
EMS / Picture Messaging - - n/a Yes
Instant Messaging - Yes n/a -
MMS Yes Yes n/a Yes
Text Messaging Templates Yes Yes n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player - Yes n/a -
Stereo Speakers - - Yes -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List - - n/a Yes
Voice Memo Yes Yes n/a Yes
Software
BREW - Yes n/a -
Games Yes Yes n/a Yes
Java (J2ME) - - n/a Yes
Voice
Headset Jack (2.5 mm) - - n/a Yes
Speaker Phone Yes Yes Yes Yes
  Samsung M400 Huawei M750 Motorola Moto G (GSM, 2nd gen.) Samsung SGH-X640
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Phone Samsung M400 Huawei M750 Motorola Moto G (GSM, 2nd gen.) Samsung SGH-X640

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