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Phone Samsung SGH-X640 BlackBerry 7750 Samsung Galaxy S7 active Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 5.1" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 800 mAh ? 4,000 mAh 1,000 mAh
Processor ? ? 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ?
RAM ? ? 4 GB ?
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera Yes - 12 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 4K UHD ?
Front Camera - - 5 megapixel -
Weight 3 oz
(85g)
5.01 oz
(142g)
6.53 oz
(185g)
4.4 oz
(125g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.86" x 2.95" x 0.39"
(149 x 75 x 9.9 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) BlackBerry OS Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 29, 30, 38, 39, 40, 41

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology GPRS 1xRTT LTE (Cat 9) EVDO r0
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes -
Flashlight - - Yes Yes
GPS / Location - n/a n/a Yes
Ruggedized - - Yes -
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size - n/a n/a -
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth - - Yes Yes
MirrorLink - - Yes -
Mobile Hotspot - n/a n/a -
NFC - - Yes -
USB - Yes Yes
Micro-USB
Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing - n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers - n/a n/a Yes
Data & Network
Data Tethering - n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client - n/a n/a -
EMS / Picture Messaging Yes n/a n/a Yes
Instant Messaging - n/a n/a -
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - n/a n/a Yes
Stereo Speakers - - - Yes
Photo & Video
DLNA - - Yes -
Miracast - - Yes -
TV Output - - - Yes
Power
Fast Charging - - Yes -
Wireless Charging - - Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List Yes n/a n/a -
Voice Memo Yes n/a n/a Yes
Software
BREW - n/a n/a Yes
Games Yes n/a n/a Yes
Java (J2ME) Yes n/a n/a -
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes n/a n/a -
Speaker Phone Yes - Yes Yes
  Samsung SGH-X640 BlackBerry 7750 Samsung Galaxy S7 active Samsung SCH-A990
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Phone Samsung SGH-X640 BlackBerry 7750 Samsung Galaxy S7 active Samsung SCH-A990

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