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Phone Samsung SGH-X640 Motorola Sidekick Slide Sony Xperia XZ1 Samsung Galaxy S6 (GSM) Nokia 6225 / PM6225
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.2" diag.
16 : 9
5.1" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
128 x 128 pixels
LCD (Color)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 800 mAh ? 2,700 mAh 2,550 mAh 780 mAh
Processor ? 225 MHz TI OMAP 850 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) 2.1 GHz Samsung Exynos 7420 ?
RAM ? ? 4 GB 3 GB ?
Storage ? raw hardware ? raw hardware 64 GB 32 GB * ? raw hardware
Main Camera Yes 1 megapixel 19 megapixel 16 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 4K UHD 4K UHD -
Front Camera - - 13 megapixel 5 megapixel -
Weight 3 oz
(85g)
5.3 oz
(150g)
5.5 oz
(156g)
4.87 oz
(138g)
3.46 oz
(98g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.65" x 2.44" x 0.69"
(118 x 62 x 17.5 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.21" x 1.81" x 0.83"
(107 x 46 x 21.1 mm)
Form Factor Clamshell Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS EDGE LTE (Cat 16) LTE (Cat 6) 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes *
stand-alone
Yes -
Flashlight - - Yes Yes -
GPS / Location - - n/a n/a Yes
VR-ready - - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - Yes n/a n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes - n/a n/a Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes -
Infrared (IR) - - - Yes Yes
MirrorLink - - - Yes -
NFC - - Yes Yes -
USB - Yes Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing - - n/a n/a Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers - Yes n/a n/a -
Data & Network
Data Tethering - - n/a n/a Yes
Dual-SIM - - Yes * - -
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes - n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - Yes n/a n/a -
EMS / Picture Messaging Yes - n/a n/a Yes *
Instant Messaging - Yes n/a n/a -
MMS Yes Yes n/a n/a Yes *
Text Messaging Templates Yes - n/a n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - Yes Yes -
Music Player - Yes n/a n/a -
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - Yes Yes -
Miracast - - Yes Yes -
TV Output - - - Yes -
Power
Fast Charging - - Yes Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a Yes
Calculator Yes - n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes Yes n/a n/a Yes
Voice Memo Yes - n/a n/a Yes
Software
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes Yes n/a n/a Yes
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) Yes Yes n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Motorola Sidekick Slide Sony Xperia XZ1 Samsung Galaxy S6 (GSM) Nokia 6225 / PM6225
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola Sidekick Slide Sony Xperia XZ1 Samsung Galaxy S6 (GSM) Nokia 6225 / PM6225

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