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Phone Samsung M400 Samsung SPH-N270 (Matrix Phone) Asus PadFone X mini Samsung SPH-A860 Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 4.5" diag.
16 : 9
? 1.9" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 1,000 mAh 1,000 mAh 2,060 mAh ? 800 mAh
Processor 400 MHz Qualcomm QSC6155 ? 1.6 GHz Intel Atom Z2560 ? ?
RAM 128 MB ? 1 GB ? ?
Storage 256 MB ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera 1 megapixel - 5 megapixel - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 1080p HD - ?
Front Camera - - 2 megapixel - -
Weight 3.7 oz
(105g)
4.66 oz
(132g)
5.26 oz
(149g)
3.4 oz
(96g)
2.47 oz
(70g)
Dimensions 3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
5.2" x 2.61" x 0.5"
(132 x 66 x 12.6 mm)
3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Clamshell Slide Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 800, 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology 1xRTT - LTE (Cat 3) 1xRTT EVDO r0
Features 
Flashlight - - Yes - -
GPS / Location Yes Yes n/a Yes Yes
Accessibility
Adjustable Text Size Yes - n/a - -
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Connectivity
Bluetooth Yes - Yes - Yes
Mobile Hotspot - - n/a - -
USB Yes
Micro-USB
- Yes
Micro-USB
- -
Wi-Fi - - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes Yes n/a Yes Yes
Ringer ID Yes Yes n/a Yes -
Voice Dialing Yes Yes n/a Yes Yes
Customization
Custom Graphics Yes - n/a Yes Yes
Custom Ringtones Yes - n/a Yes Yes
Real-Music Ringers Yes - n/a - -
Data & Network
Data Tethering - - n/a - -
WAP / Web Browser Yes - n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes - Yes Yes Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client - - n/a - -
Instant Messaging - - n/a - -
MMS Yes - n/a - Yes
Text Messaging Templates Yes - n/a - -
Music
Headphone Jack (3.5mm) Yes - Yes - -
Music Player - - n/a - Yes
Stereo Speakers - - - - Yes
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - Yes n/a Yes -
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - - n/a - Yes
Games Yes - n/a Yes Yes
Java (J2ME) - - n/a Yes -
Voice
Headset Jack (2.5 mm) - Yes n/a Yes -
Speaker Phone Yes - Yes - Yes
  Samsung M400 Samsung SPH-N270 (Matrix Phone) Asus PadFone X mini Samsung SPH-A860 Samsung Wafer R510
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung M400 Samsung SPH-N270 (Matrix Phone) Asus PadFone X mini Samsung SPH-A860 Samsung Wafer R510

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