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Phone Samsung SGH-X640 Motorola Q9m / Q9c HTC G2 Samsung Galaxy J2 / J2 Pure / J2 Dash TCL 40 XL / Jitterbug Smart 4
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
3.7" diag.
5 : 3
5" diag.
16 : 9
6.8" diag.
20 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~260 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 90 Hz
Battery 800 mAh 1,170 mAh 1,300 mAh 2,600 mAh 5,000 mAh
Processor ? PXA27x (ARM920T) 800 MHz Qualcomm S2 MSM7230 1.4 GHz Samsung Exynos 7570 2.3 GHz MediaTek Helio G37
RAM ? ? ? 2 GB 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB 128 GB
Main Camera Yes 1 megapixel 5 megapixel 8 megapixel 50 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? 720p HD 1080p HD 1080p HD
Front Camera - - - 5 megapixel 8 megapixel
Weight 3 oz
(85g)
4.76 oz
(135g)
6.5 oz
(184g)
5.43 oz
(154g)
6.88 oz
(195g)
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)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
6.61" x 3.01" x 0.35"
(168 x 76 x 8.8 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Windows Mobile Standard Android Android Android
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS EVDO r0 HSPA 14.4 LTE (Cat 4) LTE (Cat 6)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
Flashlight - - - Yes Yes
GPS / Location - n/a n/a n/a n/a
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Mobile Hotspot - n/a n/a n/a n/a
USB - Yes
Mini-USB
Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing - n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers - n/a n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a n/a
EMS / Picture Messaging Yes n/a n/a n/a n/a
Instant Messaging - n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player - n/a n/a n/a n/a
Stereo Speakers - Yes - - Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
Games Yes n/a n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Motorola Q9m / Q9c HTC G2 Samsung Galaxy J2 / J2 Pure / J2 Dash TCL 40 XL / Jitterbug Smart 4
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola Q9m / Q9c HTC G2 Samsung Galaxy J2 / J2 Pure / J2 Dash TCL 40 XL / Jitterbug Smart 4

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