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Phone Samsung Galaxy S6 (GSM) Samsung SCH-A990 Samsung SGH-X640 BlackBerry Classic (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.1" diag.
16 : 9
? ? 3.5" diag.
1 : 1
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery 2,550 mAh 1,000 mAh 800 mAh 2,515 mAh
Processor 2.1 GHz Samsung Exynos 7420 ? ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM 3 GB ? ? 2 GB
Storage 32 GB * ? raw hardware ? raw hardware 16 GB
Main Camera 16 megapixel 3 megapixel Yes 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD ? - 1080p HD
Front Camera 5 megapixel - - 2 megapixel
Weight 4.87 oz
(138g)
4.4 oz
(125g)
3 oz
(85g)
6.28 oz
(178g)
Dimensions 5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
Form Factor Slab Clamshell Clamshell Slab
Platform / OS Android (proprietary) (proprietary) BlackBerry 10
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

*

CDMA: 850, 1900

GSM: 900, 1800, 1900

4G LTE: 3, 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) EVDO r0 GPRS LTE (Cat 3)
Features 
Fingerprint Reader Yes - - -
Flashlight Yes Yes - -
GPS / Location n/a Yes - n/a
VR-ready Yes - - -
Accessibility
Adjustable Text Size n/a - - n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
- Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes - Yes
Infrared (IR) Yes - - -
MirrorLink Yes - - -
Mobile Hotspot n/a - - n/a
NFC Yes - - Yes
USB Yes
Micro-USB
Yes - Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a Yes - n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a Yes - n/a
Data & Network
Data Tethering n/a Yes - n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client n/a - - n/a
EMS / Picture Messaging n/a Yes Yes n/a
Instant Messaging n/a - - n/a
MMS n/a Yes Yes n/a
Text Messaging Templates n/a Yes Yes n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a Yes - n/a
Stereo Speakers - Yes - -
Photo & Video
DLNA Yes - - Yes
Miracast Yes - - Yes
TV Output Yes Yes - Yes
Power
Fast Charging Yes - - -
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a - Yes n/a
Voice Memo n/a Yes Yes n/a
Software
BREW n/a Yes - n/a
Games n/a Yes Yes n/a
Java (J2ME) n/a - Yes n/a
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a - Yes n/a
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy S6 (GSM) Samsung SCH-A990 Samsung SGH-X640 BlackBerry Classic (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S6 (GSM) Samsung SCH-A990 Samsung SGH-X640 BlackBerry Classic (CDMA)

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