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Phone Samsung SGH-X640 Samsung Galaxy S6 edge (GSM) Alcatel Idol 5S Siemens SL55 Motorola Droid Bionic
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size ? 5.1" diag.
16 : 9
5.2" diag.
16 : 9
? 4.3" diag.
16 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
540 x 960 pixels
(~256 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ? 60 Hz
Battery 800 mAh 2,600 mAh 2,620 mAh 500 mAh 1,735 mAh
Processor ? 2.1 GHz Samsung Exynos 2 GHz Qualcomm Snapdragon 625 (MSM8953) ? 1 GHz TI OMAP 4430 (dual-core ARM Cortex-A9)
RAM ? 3 GB 3 GB ? 1 GB
Storage ? raw hardware 32 GB * 32 GB ? raw hardware 12 GB *
Main Camera Yes 16 megapixel 12 megapixel - 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD 1080p HD - 1080p HD
Front Camera - 5 megapixel 8 megapixel - Yes
Weight 3 oz
(85g)
4.66 oz
(132g)
5.14 oz
(146g)
2.79 oz
(79g)
5.6 oz
(159g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.59" x 2.76" x 0.28"
(142 x 70 x 7 mm)
5.85" x 2.79" x 0.29"
(149 x 71 x 7.4 mm)
3.21" x 1.75" x 0.86"
(82 x 44 x 21.8 mm)
5" x 2.63" x 0.43"
(127 x 67 x 10.9 mm)
Form Factor Clamshell Slab Slab Slide Slab
Platform / OS (proprietary) Android Android (proprietary) Android
Network Bands

GSM: 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: 1, 2, 3, 4, 5, 7, 12, 13, 17, 25, 26, 41, 66

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

4G LTE: 13

CDMA: 850, 1900

Data Technology GPRS LTE (Cat 6) LTE (Cat 6) GPRS LTE (Cat 3)
Features 
Fingerprint Reader - Yes Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location - n/a n/a - n/a
VR-ready - Yes - - -
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - Yes - Yes -
MirrorLink - Yes - - -
Mobile Hotspot - n/a n/a - n/a
NFC - Yes - - -
USB - Yes
Micro-USB
Yes
Micro-USB
- Yes
Wi-Fi - Yes
5 (802.11 a,ac,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 Yes n/a
Ringer ID Yes n/a n/a Yes n/a
Voice Dialing - n/a n/a Yes 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 Yes n/a
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
Touch Screen - Yes Yes - Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client - n/a n/a Yes n/a
EMS / Picture Messaging Yes n/a n/a Yes n/a
Instant Messaging - n/a n/a - 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 - Yes
Music Player - n/a n/a - n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - Yes - - Yes
Miracast - Yes - - -
TV Output - Yes - - Yes
Power
Wireless 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 - n/a
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-X640 Samsung Galaxy S6 edge (GSM) Alcatel Idol 5S Siemens SL55 Motorola Droid Bionic
  X > < X > < X > < X > < X

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

 
Phone Samsung SGH-X640 Samsung Galaxy S6 edge (GSM) Alcatel Idol 5S Siemens SL55 Motorola Droid Bionic

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