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Phone Samsung SGH-X640 Asus Smartphone for Snapdragon Insiders Samsung Gravity TXT Samsung Glyde U940 Samsung Galaxy S6 edge (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size ? 6.8" diag.
20.5 : 9
2.4" diag.
4 : 3
2.8" diag.
16.5 : 9
5.1" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
Display Refresh ? 144 Hz ? ? 60 Hz
Battery 800 mAh 4,000 mAh 1,000 mAh 1,000 mAh 2,600 mAh
Processor ? 2.8 GHz Qualcomm Snapdragon 888 ? ? 2.1 GHz Samsung Exynos
RAM ? 16 GB ? ? 3 GB
Storage ? raw hardware 512 GB ? raw hardware ? raw hardware 32 GB *
Main Camera Yes 64 megapixel 2 megapixel 2 megapixel 16 megapixel
Wide Camera - 12 megapixel - - -
Tele Camera - 8 megapixel - - -
Video Capture - 8K QVGA (320 x 240) QVGA (320 x 240) 4K UHD
Front Camera - 24 megapixel - - 5 megapixel
Weight 3 oz
(85g)
7.41 oz
(210g)
3.95 oz
(112g)
4.2 oz
(119g)
4.66 oz
(132g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
4.41" x 2.09" x 0.55"
(112 x 53 x 14 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
5.59" x 2.76" x 0.28"
(142 x 70 x 7 mm)
Form Factor Clamshell Slab Slide Slide Slab
Platform / OS (proprietary) Android (proprietary) (proprietary) Android
Network Bands

GSM: 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology GPRS NR (5G) HSPA 7.2 EVDO r0 LTE (Cat 6)
Features 
Fingerprint Reader - Yes
stand-alone
- - Yes
Flashlight - Yes - - Yes
GPS / Location - n/a Yes Yes n/a
VR-ready - - - - Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes n/a Yes Yes n/a
TTY/TDD (Digital) - - - Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
MirrorLink - - - - Yes
NFC - Yes - - Yes
USB - Yes
USB Type C
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - Yes
6E (802.11 a,ac,ax,b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a Yes Yes n/a
Ringer ID Yes n/a Yes Yes n/a
Voice Dialing - n/a Yes Yes n/a
Customization
Custom Graphics Yes n/a Yes Yes n/a
Custom Ringtones Yes n/a Yes Yes n/a
Real-Music Ringers - n/a Yes Yes n/a
Data & Network
Data Tethering - n/a - Yes n/a
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a Yes Yes n/a
Input
Predictive Text Entry Yes n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - n/a Yes - n/a
EMS / Picture Messaging Yes n/a - - n/a
Instant Messaging - n/a Yes - n/a
MMS Yes n/a Yes Yes n/a
Text Messaging Templates Yes n/a Yes Yes n/a
Music
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - n/a Yes Yes n/a
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - - - Yes
Miracast - - - - Yes
TV Output - - - - Yes
Power
Fast Charging - Yes - - -
Wireless Charging - - - - Yes
Productivity
Alarm Yes n/a Yes Yes n/a
Calculator Yes n/a Yes Yes n/a
Calendar Yes n/a Yes Yes n/a
To-Do List Yes n/a - - n/a
Voice Memo Yes n/a Yes - n/a
Software
BREW - n/a - Yes n/a
Games Yes n/a Yes Yes n/a
Java (J2ME) Yes n/a Yes - n/a
Voice
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) Yes n/a - Yes n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Asus Smartphone for Snapdragon Insiders Samsung Gravity TXT Samsung Glyde U940 Samsung Galaxy S6 edge (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Asus Smartphone for Snapdragon Insiders Samsung Gravity TXT Samsung Glyde U940 Samsung Galaxy S6 edge (GSM)

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