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Phone Samsung SGH-X640 Motorola Cliq BLU S1 Samsung Galaxy S6 (GSM) Alcatel Pop Astro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 3.1" diag.
5 : 3
5.2" diag.
16 : 9
5.1" diag.
16 : 9
4.5" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~187 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~282 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz 60 Hz
Battery 800 mAh 1,420 mAh 2,800 mAh 2,550 mAh 2,000 mAh
Processor ? ? 1.5 GHz MediaTek 6750 2.1 GHz Samsung Exynos 7420 1.5 GHz MediaTek MTK6732
RAM ? ? 2 GB 3 GB 1 GB
Storage ? raw hardware ? raw hardware 16 GB 32 GB * 4 GB
Main Camera Yes 5 megapixel 13 megapixel 16 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - CIF (352 x 288) 1080p HD 4K UHD 1080p HD
Front Camera - - 5 megapixel 5 megapixel Yes
Weight 3 oz
(85g)
5.84 oz
(166g)
4.83 oz
(137g)
4.87 oz
(138g)
5.11 oz
(145g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.49" x 2.28" x 0.63"
(114 x 58 x 16 mm)
5.8" x 2.87" x 0.33"
(147 x 73 x 8.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
Form Factor Clamshell Slab Slab Slab Slab
Platform / OS (proprietary) Android Android Android Android
Network Bands

GSM: 900, 1800, 1900

WCDMA: 1, 4, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 17, 25, 26, 41

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA 7.2 LTE (Cat 6) LTE (Cat 6) LTE (Cat 4)
Features 
Fingerprint Reader - - Yes
stand-alone
Yes -
Flashlight - - Yes Yes Yes
GPS / Location - n/a n/a n/a n/a
VR-ready - - - Yes -
Accessibility
Adjustable Text Size - n/a n/a n/a n/a
Hearing Aid Compatible - - - Yes Yes
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
MirrorLink - - - Yes -
Mobile Hotspot - n/a n/a n/a n/a
NFC - - - Yes -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 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 - - -
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - 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
FM Radio - - Yes - Yes
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player - n/a n/a n/a n/a
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Wireless 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 Yes 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 Cliq BLU S1 Samsung Galaxy S6 (GSM) Alcatel Pop Astro
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-X640 Motorola Cliq BLU S1 Samsung Galaxy S6 (GSM) Alcatel Pop Astro

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