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Phone Samsung SPH-N270 (Matrix Phone) AT&T Vista Motorola A845 Audiovox CDM-8400 / CDM-8410 Huawei M750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
18 : 9
? ? 2.8" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 1,000 mAh 2,450 mAh ? ? 1,150 mAh
Processor ? 2 GHz MediaTek Helio A22 (MT6761V) ? ? ?
RAM ? 3 GB ? ? ?
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera - 8 megapixel Yes - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD ? - -
Front Camera - 5 megapixel Yes - -
Weight 4.66 oz
(132g)
5.51 oz
(156g)
5.47 oz
(155g)
3.52 oz
(100g)
3.92 oz
(111g)
Dimensions 4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
5.4" x 2.2" x 1"
(137 x 56 x 25.4 mm)
4.3" x 1.8" x 0.7"
(109 x 46 x 17.8 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
Form Factor Slide Slab Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

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

WCDMA: 1, 2, 4, 5, 8

WCDMA: 2

GSM: 850, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

Data Technology - LTE (Cat 4) WCDMA (UMTS) 1xRTT 1xRTT
Features 
Flashlight - Yes - - -
GPS / Location Yes n/a Yes Yes Yes
Accessibility
Hearing Aid Compatible - Yes - - Yes
Multiple Languages Yes n/a Yes Yes -
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - Yes Yes - Yes
Infrared (IR) - - Yes - -
USB - Yes
USB Type C
Yes - Yes
Wi-Fi - Yes - - -
Contacts
Picture ID Yes n/a Yes - Yes
Ringer ID Yes n/a Yes - Yes
Voice Dialing Yes n/a Yes Yes -
Customization
Custom Graphics - n/a Yes Yes Yes
Custom Ringtones - n/a Yes Yes Yes
Real-Music Ringers - n/a Yes - -
Data & Network
Data Tethering - n/a Yes Yes -
WAP / Web Browser - n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes -
Side Keys - Yes Yes Yes Yes
Stylus - - - - Yes
Touch Screen - Yes - - Yes
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client - n/a Yes - Yes
EMS / Picture Messaging - n/a Yes Yes -
Instant Messaging - n/a Yes - Yes
MMS - n/a Yes - Yes
Text Messaging Templates - n/a - - Yes
Music
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - n/a Yes - Yes
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a Yes Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List Yes n/a - - -
Voice Memo Yes n/a Yes Yes Yes
Software
BREW - n/a - Yes Yes
Games - n/a Yes Yes Yes
Java (J2ME) - n/a Yes - -
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) Yes n/a Yes Yes -
Speaker Phone - Yes Yes Yes Yes
  Samsung SPH-N270 (Matrix Phone) AT&T Vista Motorola A845 Audiovox CDM-8400 / CDM-8410 Huawei M750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SPH-N270 (Matrix Phone) AT&T Vista Motorola A845 Audiovox CDM-8400 / CDM-8410 Huawei M750

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