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Phone AT&T Maestro 3 Sharp TM-200 Apple iPhone 4 (CDMA) Sanyo Incognito SCP-6760 Samsung SGH-X660
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
? 3.5" diag.
5 : 3
2.6" diag.
4 : 3
?
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~154 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 3,900 mAh ? ? 840 mAh 800 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) ? ? ? ?
RAM 3 GB ? ? ? ?
Storage 32 GB ? raw hardware 8 GB * ? raw hardware ? raw hardware
Main Camera 13 megapixel 2 megapixel 5 megapixel 2 megapixel Yes
Wide Camera 5 megapixel - - - -
Tele Camera - - - - -
Video Capture 1080p HD ? 720p HD QCIF (176 x 144) ?
Front Camera 5 megapixel - Yes - -
Weight 6.24 oz
(177g)
4.06 oz
(115g)
4.8 oz
(136g)
4.23 oz
(120g)
2.75 oz
(78g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
3.78" x 1.93" x 1.06"
(96 x 49 x 26.9 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.2" x 2.2" x 0.7"
(107 x 56 x 17.8 mm)
3.52" x 1.77" x 0.85"
(89 x 45 x 21.6 mm)
Form Factor Slab Clamshell Slab Clamshell Clamshell
Platform / OS Android (proprietary) iOS (proprietary) (proprietary)
Network Bands

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

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) GPRS EVDO rA EVDO r0 GPRS
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes - - - -
GPS / Location n/a - n/a Yes -
Accessibility
Adjustable Text Size n/a - n/a Yes -
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) - - - Yes -
Alerts
Extra Display - Yes - Yes Yes
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - - - - Yes
Mobile Hotspot n/a - n/a - -
USB Yes
USB Type C
Yes Yes Yes
Micro-USB
-
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a Yes n/a Yes Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a - n/a Yes -
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a Yes Yes
Real-Music Ringers n/a - n/a Yes Yes
Data & Network
Data Tethering n/a Yes n/a - -
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a Yes n/a Yes Yes
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 n/a Yes -
EMS / Picture Messaging n/a - n/a - Yes
Instant Messaging n/a - n/a Yes -
MMS n/a Yes n/a Yes Yes
Text Messaging Templates n/a Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes n/a Yes -
Photo & Video
TV Output - - Yes - -
Video Calling n/a - n/a - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a - n/a Yes Yes
Voice Memo n/a Yes n/a Yes Yes
Software
Games n/a Yes n/a Yes Yes
Java (J2ME) n/a Yes n/a Yes Yes
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a Yes n/a Yes -
Speaker Phone Yes Yes Yes Yes Yes
  AT&T Maestro 3 Sharp TM-200 Apple iPhone 4 (CDMA) Sanyo Incognito SCP-6760 Samsung SGH-X660
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Maestro 3 Sharp TM-200 Apple iPhone 4 (CDMA) Sanyo Incognito SCP-6760 Samsung SGH-X660

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