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Phone Samsung Galaxy S6 (GSM) Samsung SGH-X640 Samsung Glyde U940 BlackBerry 7750 Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.1" diag.
16 : 9
? 2.8" diag.
16.5 : 9
? ?
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
128 x 160 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 2,550 mAh 800 mAh 1,000 mAh ? 1,000 mAh
Processor 2.1 GHz Samsung Exynos 7420 ? ? ? ?
RAM 3 GB ? ? ? ?
Storage 32 GB * ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 16 megapixel Yes 2 megapixel - 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 4K UHD - QVGA (320 x 240) - ?
Front Camera 5 megapixel - - - -
Weight 4.87 oz
(138g)
3 oz
(85g)
4.2 oz
(119g)
5.01 oz
(142g)
4.4 oz
(125g)
Dimensions 5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Slab Clamshell Slide Slab Clamshell
Platform / OS Android (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 6) GPRS EVDO r0 1xRTT EVDO r0
Features 
Fingerprint Reader Yes - - - -
Flashlight Yes - - - Yes
GPS / Location n/a - Yes n/a Yes
VR-ready Yes - - - -
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4 (very compatible)
- Yes
M3 (mostly compatible)
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes - Yes - Yes
Infrared (IR) Yes - - - -
MirrorLink Yes - - - -
NFC Yes - - - -
USB Yes
Micro-USB
- Yes Yes Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - - -
Contacts
Picture ID n/a Yes Yes n/a Yes
Ringer ID n/a Yes Yes n/a Yes
Voice Dialing n/a - Yes n/a Yes
Customization
Custom Graphics n/a Yes Yes n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - Yes n/a Yes
Data & Network
Data Tethering n/a - Yes n/a Yes
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen Yes
Capacitive
- Yes - -
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client n/a - - n/a -
EMS / Picture Messaging n/a Yes - n/a Yes
MMS n/a Yes Yes n/a Yes
Text Messaging Templates n/a Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - Yes n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
DLNA Yes - - - -
Miracast Yes - - - -
TV Output Yes - - - Yes
Power
Fast Charging Yes - - - -
Wireless Charging Yes - - - -
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
To-Do List n/a Yes - n/a -
Voice Memo n/a Yes - n/a Yes
Software
BREW n/a - Yes n/a Yes
Games n/a Yes Yes n/a Yes
Java (J2ME) n/a Yes - n/a -
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a Yes Yes n/a -
Speaker Phone Yes Yes Yes - Yes
  Samsung Galaxy S6 (GSM) Samsung SGH-X640 Samsung Glyde U940 BlackBerry 7750 Samsung SCH-A990
  X > < X > < X > < X > < X

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

 
Phone Samsung Galaxy S6 (GSM) Samsung SGH-X640 Samsung Glyde U940 BlackBerry 7750 Samsung SCH-A990

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