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Phone Samsung SGH-X640 Palm Treo 600 (CDMA) Nokia Lumia 920 Sony Xperia XZ2 Compact Nokia 6275i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.5" diag.
5 : 3
5" diag.
18 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
768 x 1280 pixels
(~332 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~483 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh ? 2,000 mAh 2,870 mAh 1,150 mAh
Processor ? ? 1.5 GHz Qualcomm Snapdragon S4 Qualcomm Snapdragon 845 ?
RAM ? ? 1 GB 4 GB ?
Storage ? raw hardware ? raw hardware 32 GB 64 GB ? raw hardware
Main Camera Yes Yes 8 megapixel 19 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 1080p HD 4K UHD ?
Front Camera - - 1 megapixel 5 megapixel -
Weight 3 oz
(85g)
6.2 oz
(176g)
6.53 oz
(185g)
5.9 oz
(167g)
3.7 oz
(105g)
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)
5.12" x 2.79" x 0.42"
(130 x 71 x 10.7 mm)
5.33" x 2.54" x 0.47"
(135 x 65 x 11.9 mm)
4.29" x 1.69" x 0.67"
(109 x 43 x 17 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Palm OS Windows Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5, 8

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

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS 1xRTT LTE (Cat 3) LTE (Cat 18) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location - n/a n/a n/a Yes
Water-Resistant - - - Yes
IPX5 (direct spray)
-
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles - - - - Yes
Connectivity
Bluetooth -
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - Yes
Mobile Hotspot - n/a n/a n/a -
NFC - - Yes Yes -
USB - Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi - - Yes
4 (802.11 a,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 - n/a n/a n/a Yes
Data & Network
Data Tethering - n/a n/a n/a Yes
Dual-SIM - - - Yes -
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 Yes
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
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 Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes - -
Music Player - n/a n/a n/a 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 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 Yes
Voice Memo Yes n/a n/a n/a Yes
Software
BREW - n/a n/a n/a Yes *
Games Yes n/a n/a n/a Yes
Java (J2ME) Yes n/a n/a n/a Yes *
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Palm Treo 600 (CDMA) Nokia Lumia 920 Sony Xperia XZ2 Compact Nokia 6275i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Palm Treo 600 (CDMA) Nokia Lumia 920 Sony Xperia XZ2 Compact Nokia 6275i

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