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Phone Ericsson R520 AT&T Maestro 3 Samsung Memoir SGH-T929 Alcatel 665
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
3.1" diag.
5 : 3
1.8" diag.
4 : 3
Display Resolution & Type ? 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~150 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery ? 3,900 mAh ? 650 mAh
Processor ? 2 GHz MediaTek Helio A22 (MT6761) ? ?
RAM ? 3 GB ? 16 MB
Storage ? raw hardware 32 GB ? raw hardware 32 MB
Main Camera - 13 megapixel 8 megapixel 2 megapixel
Wide Camera - 5 megapixel - -
Tele Camera - - - -
Video Capture - 1080p HD ? QCIF (176 x 144)
Front Camera - 5 megapixel - -
Weight 4.23 oz
(120g)
6.24 oz
(177g)
4.4 oz
(125g)
2.72 oz
(77g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
4.17" x 2.11" x 0.55"
(106 x 54 x 14 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 30

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

Data Technology GPRS LTE (Cat 4) HSDPA 3.6 -
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
stand-alone
- -
Flashlight - Yes - -
GPS / Location - n/a Yes -
Accessibility
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) - - Yes -
Alerts
Extra Display - - - Yes
Ringer Profiles Yes - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
USB - Yes
USB Type C
Yes Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID - n/a Yes Yes
Ringer ID - n/a - Yes
Voice Dialing Yes n/a Yes -
Customization
Custom Graphics - n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a Yes Yes
Data & Network
Data Tethering Yes n/a - -
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes
Touch Screen - Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes
Messaging
Email Client - n/a Yes -
Instant Messaging - n/a Yes Yes
MMS - n/a Yes Yes
Text Messaging Templates Yes n/a Yes Yes
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - Yes - Yes
Music Player - n/a Yes Yes
Photo & Video
TV Output - - Yes -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List - n/a Yes -
Voice Memo Yes n/a Yes Yes
Software
Games Yes n/a Yes Yes
Java (J2ME) - n/a - Yes
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes Yes
  Ericsson R520 AT&T Maestro 3 Samsung Memoir SGH-T929 Alcatel 665
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 AT&T Maestro 3 Samsung Memoir SGH-T929 Alcatel 665

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