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Phone Samsung SGH-X640 Motorola Q9m / Q9c Sony Xperia XZ1 Samsung SGH-P705 LG K40 / Harmony 3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
5.2" diag.
16 : 9
? 5.7" diag.
18 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery 800 mAh 1,170 mAh 2,700 mAh ? 3,000 mAh
Processor ? PXA27x (ARM920T) 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? 1.8 GHz Qualcomm Snapdragon 450
RAM ? ? 4 GB ? 2 GB
Storage ? raw hardware ? raw hardware 64 GB ? raw hardware 32 GB
Main Camera Yes 1 megapixel 19 megapixel - 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? 4K UHD - 1080p HD
Front Camera - - 13 megapixel - 5 megapixel
Weight 3 oz
(85g)
4.76 oz
(135g)
5.5 oz
(156g)
4.59 oz
(130g)
5.11 oz
(145g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.61" x 2.56" x 0.47"
(117 x 65 x 11.9 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
3.62" x 2.01" x 1.04"
(92 x 51 x 26.4 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) Windows Mobile Standard Android (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 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

GSM: 900, 1900

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS EVDO r0 LTE (Cat 16) GPRS LTE (Cat 6)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes *
stand-alone
- Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location - n/a n/a - n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - Yes Yes - Yes
Infrared (IR) - - - Yes -
NFC - - Yes - Yes *
USB - Yes
Mini-USB
Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - - 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
Ringer ID Yes n/a n/a - n/a
Voice Dialing - n/a n/a - n/a
Customization
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
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 Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
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 Yes n/a
EMS / Picture Messaging Yes n/a n/a Yes n/a
MMS Yes n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a Yes n/a
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 Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a Yes n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) Yes n/a n/a Yes n/a
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) Yes n/a n/a Yes n/a
Speaker Phone Yes Yes Yes - Yes
  * Some versions only
  Samsung SGH-X640 Motorola Q9m / Q9c Sony Xperia XZ1 Samsung SGH-P705 LG K40 / Harmony 3
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Motorola Q9m / Q9c Sony Xperia XZ1 Samsung SGH-P705 LG K40 / Harmony 3

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