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Phone Essential Phone Samsung Trance SCH-U490 Palm Pre (CDMA) Asus ROG Phone Motorola Charm
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.7" diag.
17.5 : 9
2.1" diag.
4 : 3
3.1" diag.
5 : 3
6" diag.
18 : 9
2.8" diag.
4 : 3
Display Resolution & Type 1312 x 2560 pixels
(~504 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 3,040 mAh ? 1,150 mAh 4,000 mAh 1,170 mAh
Processor 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? TI OMAP 3430 3 GHz Qualcomm Snapdragon 845 720 MHz TI OMAP3410
RAM 4 GB ? ? 8 GB ?
Storage 128 GB ? raw hardware ? raw hardware 128 GB * ? raw hardware
Main Camera 13 megapixel 1 megapixel 3 megapixel 12 megapixel 3 megapixel
Wide Camera - - - 8 megapixel -
Tele Camera - - - - -
Video Capture 4K UHD - ? 4K UHD ?
Front Camera 8 megapixel - - 8 megapixel -
Weight 6.53 oz
(185g)
3.53 oz
(100g)
4.76 oz
(135g)
7.05 oz
(200g)
3.88 oz
(110g)
Dimensions 5.57" x 2.8" x 0.31"
(141 x 71 x 7.8 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
Form Factor Slab Slide Slide Slab Slab
Platform / OS Android (proprietary) webOS Android Android
Network Bands

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

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 12) 1xRTT EVDO rA LTE (Cat 16) HSDPA 3.6
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
stand-alone
- - Yes -
Flashlight Yes - - Yes -
GPS / Location n/a Yes n/a n/a n/a
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size n/a Yes n/a n/a n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC Yes - - Yes -
USB Yes
USB Type C
Yes Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
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 Yes 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 -
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
Text Keyboard, Hardware - - Yes - Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client n/a - n/a n/a n/a
Instant Messaging n/a - 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
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player n/a Yes n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging Yes - - 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
BREW n/a Yes n/a n/a n/a
Games n/a Yes n/a n/a n/a
Voice
Speaker Phone Yes Yes Yes Yes Yes
  Essential Phone Samsung Trance SCH-U490 Palm Pre (CDMA) Asus ROG Phone Motorola Charm
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Essential Phone Samsung Trance SCH-U490 Palm Pre (CDMA) Asus ROG Phone Motorola Charm

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