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Phone Samsung SGH-X820 Palm Pre Plus (GSM) HP Elite x3 Red Hydrogen One Motorola V878
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.1" diag.
5 : 3
6" diag.
16 : 9
5.7" diag.
16 : 9
?
Display Resolution & Type 220 x 176 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~493 ppi)
AMOLED
1440 x 2560 pixels
(~515 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 650 mAh 1,150 mAh 4,150 mAh 4,510 mAh ?
Processor ? ? 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ?
RAM ? ? 4 GB 6 GB ?
Storage ? raw hardware ? raw hardware 64 GB 128 GB * ? raw hardware
Main Camera 2 megapixel 3 megapixel 16 megapixel 12 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? VGA (640 x 480) 4K UHD 4K UHD ?
Front Camera - - 8 megapixel 8 megapixel -
Weight 2.33 oz
(66g)
4.89 oz
(139g)
6.84 oz
(194g)
9.63 oz
(273g)
2.82 oz
(80g)
Dimensions 4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
6.36" x 3.29" x 0.31"
(162 x 84 x 7.9 mm)
6.54" x 3.28" x 0.39"
(166 x 83 x 10 mm)
3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
Form Factor Slab Slide Slab Slab Clamshell
Platform / OS (proprietary) webOS Windows Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 2, 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

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology EDGE HSDPA 1.8 LTE (Cat 6) LTE (Cat 12) GPRS
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location - n/a n/a n/a -
Water-Resistant - - Yes
IPX7 (snorkeling)
- -
Accessibility
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
NFC - - Yes Yes -
USB Yes Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Yes
Wi-Fi - Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a Yes
Dual-SIM - - Yes * - -
External Antenna Jack Yes n/a n/a n/a -
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client Yes n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a -
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a -
Stereo Speakers - - Yes Yes -
Photo & Video
Miracast - - Yes - -
TV Output Yes - Yes - -
Power
Fast Charging - - - Yes -
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes
Voice
HD Voice - - - Yes -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung SGH-X820 Palm Pre Plus (GSM) HP Elite x3 Red Hydrogen One Motorola V878
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Phone Samsung SGH-X820 Palm Pre Plus (GSM) HP Elite x3 Red Hydrogen One Motorola V878

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