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Phone Samsung SGH-X640 Palm Treo 600 (CDMA) Coolpad Defiant LG K30 2018 (CDMA) Sony Xperia XZ2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Not yet released
Specifications 
Display Size ? ? 5" diag.
16 : 9
5.3" diag.
16 : 9
5.7" diag.
18 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery 800 mAh ? 2,450 mAh 3,000 mAh 3,180 mAh
Processor ? ? 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 1.5 GHz MediaTek MT6750T Qualcomm Snapdragon 845
RAM ? ? 1 GB 2 GB 4 GB
Storage ? raw hardware ? raw hardware 8 GB 32 GB 64 GB
Main Camera Yes Yes 5 megapixel 13 megapixel 19 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 720p HD 1080p HD 4K UHD
Front Camera - - 2 megapixel 5 megapixel 5 megapixel
Weight 3 oz
(85g)
6.2 oz
(176g)
6.5 oz
(184g)
5.93 oz
(168g)
6.98 oz
(198g)
Dimensions 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)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
5.85" x 2.95" x 0.33"
(149 x 75 x 8.4 mm)
6.02" x 2.83" x 0.44"
(153 x 72 x 11.1 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Palm OS Android Android Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT LTE (Cat 4) LTE (Cat 4) LTE (Cat 18)
Features 
Fingerprint Reader - - - Yes
stand-alone
Yes
stand-alone
Flashlight - - Yes Yes Yes
GPS / Location - n/a n/a n/a n/a
Water-Resistant - - - - Yes
IPX5 (direct spray)
Accessibility
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes Yes Yes -
Connectivity
Bluetooth - - Yes Yes Yes
Infrared (IR) - Yes - - -
NFC - - - - Yes
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 b,g,n)
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 n/a
Ringer ID Yes n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes 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 Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - Yes Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes -
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
Power
Fast Charging - - - - Yes
Wireless Charging - - - - Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Palm Treo 600 (CDMA) Coolpad Defiant LG K30 2018 (CDMA) Sony Xperia XZ2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Palm Treo 600 (CDMA) Coolpad Defiant LG K30 2018 (CDMA) Sony Xperia XZ2

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