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Phone Ericsson R520 Palm Treo 650 (CDMA) Samsung M400 Samsung Galaxy S6 (CDMA) Casio G'zOne Rock
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.4" diag.
4 : 3
5.1" diag.
16 : 9
2.1" diag.
4 : 3
Display Resolution & Type ? 320 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery ? ? 1,000 mAh 2,550 mAh 1,150 mAh
Processor ? 312 MHz Intel XScale PXA270 400 MHz Qualcomm QSC6155 2.1 GHz Samsung Exynos ?
RAM ? ? 128 MB 3 GB ?
Storage ? raw hardware ? raw hardware 256 MB 32 GB * ? raw hardware
Main Camera - Yes 1 megapixel 16 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) - 4K UHD ?
Front Camera - - - 5 megapixel -
Weight 4.23 oz
(120g)
6.3 oz
(179g)
3.7 oz
(105g)
4.87 oz
(138g)
4.4 oz
(125g)
Dimensions 5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
Form Factor Slab Slab Clamshell Slab Clamshell
Platform / OS (proprietary) Palm OS (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 800, 850, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology GPRS 1xRTT 1xRTT LTE (Cat 4) EVDO rA
Features 
Fingerprint Reader - - - Yes -
Flashlight - - - Yes Yes
GPS / Location - n/a Yes n/a Yes
Ruggedized - - - - Yes
VR-ready - - - Yes -
Water-Resistant - - - - Yes
Accessibility
Adjustable Text Size - n/a Yes n/a -
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) Yes Yes - Yes -
MirrorLink - - - Yes -
NFC - - - Yes -
USB - - Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - n/a Yes n/a Yes
Ringer ID - n/a Yes n/a Yes
Voice Dialing Yes n/a Yes n/a Yes
Customization
Custom Graphics - n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a Yes n/a Yes
Data & Network
Data Tethering Yes n/a - n/a Yes
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes - Yes -
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client - n/a - n/a Yes
Instant Messaging - n/a - n/a Yes
MMS - n/a Yes n/a Yes
Text Messaging Templates Yes n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - n/a - n/a Yes
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Power
Wireless Charging - - - Yes -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List - n/a - n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
BREW - n/a - n/a Yes
Games Yes n/a Yes n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) - n/a - n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Ericsson R520 Palm Treo 650 (CDMA) Samsung M400 Samsung Galaxy S6 (CDMA) Casio G'zOne Rock
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson R520 Palm Treo 650 (CDMA) Samsung M400 Samsung Galaxy S6 (CDMA) Casio G'zOne Rock

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