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Phone Samsung SGH-A657 Motorola Moto X (CDMA, 2nd gen.) Sony Ericsson T68i Motorola EM330 / EM28 AT&T Vista
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.2" diag.
16 : 9
? 1.8" diag.
4 : 3
5.5" diag.
18 : 9
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
AMOLED
101 x 80 pixels
LCD (STN)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 1,420 mAh 2,300 mAh 700 mAh 940 mAh 2,450 mAh
Processor ? 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) ? ? 2 GHz MediaTek Helio A22 (MT6761V)
RAM ? 2 GB ? ? 3 GB
Storage ? raw hardware 16 GB * ? raw hardware ? raw hardware 32 GB
Main Camera - 13 megapixel - 1 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD - ? 1080p HD
Front Camera - 2 megapixel - - 5 megapixel
Weight 4.34 oz
(123g)
5.08 oz
(144g)
2.96 oz
(84g)
3.17 oz
(90g)
5.51 oz
(156g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
5.54" x 2.85" x 0.39"
(141 x 72 x 9.9 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Android
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 7, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

GSM: 850, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

Data Technology HSDPA 3.6 LTE (Cat 4) GPRS EDGE LTE (Cat 4)
Features 
Flashlight Yes - - - Yes
GPS / Location Yes n/a - - n/a
Ruggedized Yes - - - -
Accessibility
Adjustable Text Size - n/a - - n/a
Hearing Aid Compatible - Yes - Yes Yes
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a - - n/a
NFC - Yes - - -
USB Yes Yes
Micro-USB
- Yes
Mini-USB
Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - Yes
Contacts
Picture ID Yes n/a Yes - n/a
Ringer ID Yes n/a Yes - n/a
Voice Dialing - n/a Yes - n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers Yes n/a - Yes n/a
Data & Network
Data Tethering Yes n/a Yes - n/a
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes - - Yes
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client Yes n/a Yes - n/a
EMS / Picture Messaging - n/a Yes Yes n/a
Instant Messaging Yes n/a - - n/a
MMS Yes n/a Yes Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player Yes n/a - Yes n/a
Photo & Video
Miracast - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List Yes n/a Yes - n/a
Voice Memo Yes n/a Yes - n/a
Software
Games Yes n/a Yes Yes n/a
Java (J2ME) Yes n/a - Yes n/a
Voice
HD Voice - - - - Yes
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes - Yes Yes
  Samsung SGH-A657 Motorola Moto X (CDMA, 2nd gen.) Sony Ericsson T68i Motorola EM330 / EM28 AT&T Vista
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-A657 Motorola Moto X (CDMA, 2nd gen.) Sony Ericsson T68i Motorola EM330 / EM28 AT&T Vista

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