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Phone Samsung SGH-X640 Sanyo Katana DLX Samsung SGH-X820 LG Q7+ Motorola V710
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
? 5.5" diag.
18 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~439 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 800 mAh 920 mAh 650 mAh 3,000 mAh ?
Processor ? ? ? 1.8 GHz Qualcomm Snapdragon 450 ?
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 64 GB ? raw hardware
Main Camera Yes 1 megapixel 2 megapixel 16 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) ? 1080p HD ?
Front Camera - - - 8 megapixel -
Weight 3 oz
(85g)
3.5 oz
(99g)
2.33 oz
(66g)
5.11 oz
(145g)
4.06 oz
(115g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
3.7" x 1.9" x 0.68"
(94 x 48 x 17.3 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
5.66" x 2.73" x 0.33"
(144 x 69 x 8.4 mm)
3.7" x 1.93" x 0.92"
(94 x 49 x 23.4 mm)
Form Factor Clamshell Clamshell Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 20, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS EVDO r0 EDGE LTE (Cat 13) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes -
GPS / Location - Yes - n/a Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - Yes - n/a -
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Extra Display - Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes Yes
NFC - - - Yes -
USB - Yes Yes Yes
USB Type C
Yes *
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing - Yes - n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a Yes
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - Yes Yes n/a Yes
Data & Network
Data Tethering - Yes - n/a Yes
External Antenna Jack - Yes Yes n/a -
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - - Yes n/a Yes *
EMS / Picture Messaging Yes - Yes n/a Yes
MMS Yes - Yes n/a Yes
Text Messaging Templates Yes Yes Yes n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - - Yes -
Music Player - Yes - n/a Yes
Photo & Video
DLNA - - - Yes -
TV Output - - Yes - -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes Yes Yes n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
BREW - - - n/a Yes
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes Yes Yes n/a -
Voice
Call Screening - Yes - - -
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes Yes - n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-X640 Sanyo Katana DLX Samsung SGH-X820 LG Q7+ Motorola V710
  X > < X > < X > < X > < X

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Phone Samsung SGH-X640 Sanyo Katana DLX Samsung SGH-X820 LG Q7+ Motorola V710

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