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Phone Palm Treo Pro (CDMA) Samsung Rugby A837 Coolpad Conjr HP Elite x3 Palm Pre Plus (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
5" diag.
16 : 9
6" diag.
16 : 9
3.1" diag.
5 : 3
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~493 ppi)
AMOLED
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 1,500 mAh 1,000 mAh 2,500 mAh 4,150 mAh 1,150 mAh
Processor 528 MHz Qualcomm MSM7501a ? 1 GHz MediaTek MT6735 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ?
RAM ? ? 3 GB 4 GB ?
Storage ? raw hardware ? raw hardware 16 GB 64 GB ? raw hardware
Main Camera 2 megapixel 1 megapixel 13 megapixel 16 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? QCIF (176 x 144) 1080p HD 4K UHD VGA (640 x 480)
Front Camera - - 8 megapixel 8 megapixel -
Weight 4.69 oz
(133g)
4.66 oz
(132g)
5.14 oz
(146g)
6.84 oz
(194g)
4.89 oz
(139g)
Dimensions 4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
6.36" x 3.29" x 0.31"
(162 x 84 x 7.9 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
Form Factor Slab Clamshell Slab Slab Slide
Platform / OS Windows Mobile Professional (proprietary) Android Windows webOS
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 17, 20, 29, 30

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA HSDPA 3.6 LTE (Cat 4) LTE (Cat 6) HSDPA 1.8
Features 
Barometer - - - Yes -
Fingerprint Reader - - Yes
stand-alone
Yes -
Flashlight - - Yes Yes -
GPS / Location n/a Yes n/a n/a n/a
Ruggedized - Yes - - -
Water-Resistant - - - Yes
IPX7 (snorkeling)
-
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - - - -
NFC - - - Yes -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
- Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a - n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
Dual-SIM - - Yes Yes * -
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus Yes - - - -
Text Keyboard, Hardware Yes - - - Yes
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a Yes n/a n/a n/a
Instant Messaging n/a Yes n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player n/a Yes n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - Yes -
TV Output - - - Yes -
Power
Wireless Charging - - - Yes -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Palm Treo Pro (CDMA) Samsung Rugby A837 Coolpad Conjr HP Elite x3 Palm Pre Plus (GSM)
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Phone Palm Treo Pro (CDMA) Samsung Rugby A837 Coolpad Conjr HP Elite x3 Palm Pre Plus (GSM)

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