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Phone Motorola Q9m / Q9c Samsung SGH-X640 Nokia Lumia 635 (CDMA) Sony Xperia XZ1 Samsung SCH-R211
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 4.5" diag.
16 : 9
5.2" diag.
16 : 9
1.5" diag.
1 : 1
Display Resolution & Type 320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
128 x 128 pixels
(~121 ppi)
LCD (STN)
Display Refresh ? ? ? 60 Hz ?
Battery 1,170 mAh 800 mAh 1,830 mAh 2,700 mAh 800 mAh
Processor PXA27x (ARM920T) ? 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ?
RAM ? ? 512 MB 4 GB ?
Storage ? raw hardware ? raw hardware 8 GB 64 GB ? raw hardware
Main Camera 1 megapixel Yes 5 megapixel 19 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - 720p HD 4K UHD -
Front Camera - - - 13 megapixel -
Weight 4.76 oz
(135g)
3 oz
(85g)
4.73 oz
(134g)
5.5 oz
(156g)
2.73 oz
(77g)
Dimensions 4.61" x 2.56" x 0.47"
(117 x 65 x 11.9 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
4.07" x 1.77" x 0.59"
(103 x 45 x 15 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Windows Mobile Standard (proprietary) Windows Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 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

CDMA: 850, 1700, 1900

Data Technology EVDO r0 GPRS LTE (Cat 3) LTE (Cat 16) 1xRTT
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes *
stand-alone
-
Flashlight - - - Yes -
GPS / Location n/a - n/a n/a Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes - Yes Yes -
Mobile Hotspot n/a - n/a n/a -
NFC - - - Yes -
USB Yes
Mini-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)
-
Contacts
Picture ID n/a Yes n/a n/a Yes
Ringer ID n/a Yes n/a n/a Yes
Voice Dialing n/a - n/a n/a -
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a - n/a n/a -
Data & Network
Data Tethering n/a - n/a n/a -
Dual-SIM - - - Yes * -
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client n/a - n/a n/a -
EMS / Picture Messaging n/a Yes n/a n/a -
Instant Messaging n/a - n/a n/a -
MMS n/a Yes n/a n/a -
Text Messaging Templates n/a Yes n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player n/a - n/a n/a -
Stereo Speakers Yes - - Yes -
Photo & Video
DLNA - - Yes Yes -
Miracast - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a Yes n/a n/a -
Voice Memo n/a Yes n/a n/a -
Software
BREW n/a - n/a n/a Yes
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a Yes n/a n/a -
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Motorola Q9m / Q9c Samsung SGH-X640 Nokia Lumia 635 (CDMA) Sony Xperia XZ1 Samsung SCH-R211
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Motorola Q9m / Q9c Samsung SGH-X640 Nokia Lumia 635 (CDMA) Sony Xperia XZ1 Samsung SCH-R211

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