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Phone Samsung SGH-X640 Sharp Sidekick LX 2009 Sony Xperia Z5 Compact Nokia Lumia 810 Motorola V635
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 3.2" diag.
16 : 9
4.6" diag.
16 : 9
4.3" diag.
5 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
854 x 480 pixels
(~306 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 800 mAh 1,250 mAh 2,700 mAh 1,800 mAh 780 mAh
Processor ? ? 2 GHz Qualcomm Snapdragon 810 (MSM8994) 1.5 GHz Qualcomm Snapdragon ?
RAM ? ? 2 GB 1 GB ?
Storage ? raw hardware ? raw hardware 32 GB 8 GB ? raw hardware
Main Camera Yes 3 megapixel 23 megapixel 8 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) 4K UHD 1080p HD ?
Front Camera - - 5 megapixel 1 megapixel -
Weight 3 oz
(85g)
5.78 oz
(164g)
4.87 oz
(138g)
5.11 oz
(145g)
4.71 oz
(134g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.12" x 2.36" x 0.63"
(130 x 60 x 16 mm)
5" x 2.56" x 0.35"
(127 x 65 x 8.9 mm)
5" x 2.69" x 0.44"
(127 x 68 x 11.2 mm)
3.5" x 1.93" x 0.98"
(89 x 49 x 24.9 mm)
Form Factor Clamshell Swivel Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android Windows (proprietary)
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA 7.2 LTE (Cat 6) HSPA+ 42 EDGE
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location - Yes n/a n/a -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - Yes n/a n/a -
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) - - Yes Yes -
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
MirrorLink - - Yes - -
Mobile Hotspot - - n/a n/a -
NFC - - Yes Yes -
USB - Yes Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 a,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 Yes
Data & Network
Data Tethering - - n/a n/a 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 Yes Yes
Messaging
Email Client - Yes n/a n/a Yes
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 Yes n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - Yes n/a n/a Yes
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - 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 -
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
Headset Jack (2.5 mm) Yes - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Sharp Sidekick LX 2009 Sony Xperia Z5 Compact Nokia Lumia 810 Motorola V635
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Sharp Sidekick LX 2009 Sony Xperia Z5 Compact Nokia Lumia 810 Motorola V635

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