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Phone Motorola EM330 / EM28 Samsung SCH-A645 Samsung SCH-A570 Samsung Galaxy A10e Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
? ? 5.8" diag.
19.5 : 9
2.2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
128 x 160 pixels
LCD (STN)
720 x 1560 pixels
(~295 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 940 mAh 1,000 mAh ? 3,000 mAh 940 mAh
Processor ? ? ? 1.6 GHz Samsung Exynos 7884 ?
RAM ? ? ? 2 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 1 megapixel - - 8 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - - 1080p HD QVGA (320 x 240)
Front Camera - - - 5 megapixel -
Weight 3.17 oz
(90g)
3.2 oz
(91g)
3.6 oz
(102g)
4.97 oz
(141g)
4.48 oz
(127g)
Dimensions 3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
3.54" x 1.79" x 0.94"
(90 x 45 x 23.9 mm)
3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
5.8" x 2.75" x 0.33"
(147 x 70 x 8.4 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Clamshell Clamshell Clamshell Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology EDGE 1xRTT 1xRTT LTE (Cat 6) EVDO r0
Features 
Flashlight - - - Yes -
GPS / Location - Yes Yes n/a Yes
Accessibility
Hearing Aid Compatible Yes Yes - Yes Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes Yes - -
Connectivity
Bluetooth Yes - - Yes Yes
USB Yes
Mini-USB
- - Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - Yes - n/a Yes
Ringer ID - - - n/a Yes
Voice Dialing - Yes Yes n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers Yes - - n/a Yes
Data & Network
Data Tethering - - - n/a Yes
WAP / Web Browser Yes Yes * Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - - - Yes Yes
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client - - - n/a Yes
EMS / Picture Messaging Yes Yes Yes n/a Yes
Instant Messaging - - - n/a Yes
MMS Yes - - n/a Yes
Text Messaging Templates Yes Yes Yes n/a Yes
Music
FM Radio Yes - - Yes -
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player Yes - - n/a Yes
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List - Yes Yes n/a -
Voice Memo - Yes Yes n/a Yes
Software
BREW - Yes * Yes n/a Yes
Games Yes Yes * Yes n/a Yes
Java (J2ME) Yes - - n/a -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - Yes Yes n/a -
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Motorola EM330 / EM28 Samsung SCH-A645 Samsung SCH-A570 Samsung Galaxy A10e Motorola Rival A455
  X > < X > < X > < X > < X

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

 
Phone Motorola EM330 / EM28 Samsung SCH-A645 Samsung SCH-A570 Samsung Galaxy A10e Motorola Rival A455

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