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Phone Motorola Droid Ultra Samsung SGH-X640 Palm Treo 600 (CDMA) Asus ROG Phone Coolpad Quattro 4G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
? ? 6" diag.
18 : 9
4" diag.
5 : 3
Display Resolution & Type 720 x 1280 pixels
(~294 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
1080 x 2160 pixels
(~402 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 2,130 mAh 800 mAh ? 4,000 mAh 1,600 mAh
Processor 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T ? ? 3 GHz Qualcomm Snapdragon 845 ?
RAM 2 GB ? ? 8 GB ?
Storage 16 GB ? raw hardware ? raw hardware 128 GB * 512 MB
Main Camera 10 megapixel Yes Yes 12 megapixel 3 megapixel
Wide Camera - - - 8 megapixel -
Tele Camera - - - - -
Video Capture 1080p HD - - 4K UHD VGA (640 x 480)
Front Camera 2 megapixel - - 8 megapixel Yes
Weight 4.83 oz
(137g)
3 oz
(85g)
6.2 oz
(176g)
7.05 oz
(200g)
3.31 oz
(94g)
Dimensions 5.41" x 2.8" x 0.28"
(137 x 71 x 7.2 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Palm OS Android Android
Network Bands

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 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

4G LTE: 2, 4

CDMA: 850, 1700, 1900

Data Technology LTE (Cat 3) GPRS 1xRTT LTE (Cat 16) LTE (Cat 3)
Features 
Fingerprint Reader - - - Yes -
Flashlight - - - Yes -
GPS / Location n/a - n/a n/a n/a
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes - Yes
Connectivity
Bluetooth Yes - - Yes Yes
Infrared (IR) - - Yes - -
Mobile Hotspot n/a - n/a n/a n/a
NFC Yes - - Yes -
USB Yes
Micro-USB
- Yes Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Yes
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 - n/a n/a n/a
Data & Network
Data Tethering n/a - 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 - -
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client n/a - n/a n/a n/a
EMS / Picture Messaging n/a Yes 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
Music Player n/a - n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast Yes - - - -
TV Output - - - Yes -
Power
Fast 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 Yes 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
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Motorola Droid Ultra Samsung SGH-X640 Palm Treo 600 (CDMA) Asus ROG Phone Coolpad Quattro 4G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Droid Ultra Samsung SGH-X640 Palm Treo 600 (CDMA) Asus ROG Phone Coolpad Quattro 4G

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