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Phone Samsung Galaxy S6 (GSM) Alcatel Pop Mega Alcatel 665 Kyocera 2135 BlackBerry Key2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.1" diag.
16 : 9
6" diag.
16 : 9
1.8" diag.
4 : 3
? 4.5" diag.
5 : 3
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
540 x 960 pixels
(~184 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
? 1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? 60 Hz
Battery 2,550 mAh 3,400 mAh 650 mAh 925 mAh 3,500 mAh
Processor 2.1 GHz Samsung Exynos 7420 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) ? ? 2.2 GHz Qualcomm Snapdragon 660
RAM 3 GB 1 GB 16 MB ? 6 GB
Storage 32 GB * 4 GB 32 MB ? raw hardware 64 GB *
Main Camera 16 megapixel 8 megapixel 2 megapixel - 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - 12 megapixel
Video Capture 4K UHD 1080p HD QCIF (176 x 144) - 4K UHD
Front Camera 5 megapixel 2 megapixel - - 8 megapixel
Weight 4.87 oz
(138g)
6.42 oz
(182g)
2.72 oz
(77g)
4.7 oz
(133g)
5.93 oz
(168g)
Dimensions 5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
6.39" x 3.32" x 0.34"
(162 x 84 x 8.6 mm)
3.78" x 1.89" x 0.66"
(96 x 48 x 16.8 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS Android Android (proprietary) (proprietary) Android
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

*

4G LTE: 4, 17

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) LTE (Cat 4) - - LTE (Cat 11)
Features 
Fingerprint Reader Yes - - - Yes
stand-alone
Flashlight Yes 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 - Yes
Multiple Languages n/a n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes - - Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Infrared (IR) Yes - - - -
MirrorLink Yes - - - -
NFC Yes - - - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
- Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes - n/a
Ringer ID n/a n/a Yes - n/a
Voice Dialing n/a n/a - - n/a
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a n/a Yes - n/a
Custom Ringtones n/a n/a Yes Yes n/a
Real-Music Ringers n/a n/a Yes - n/a
Data & Network
Data Tethering n/a n/a - Yes n/a
WAP / Web Browser n/a n/a Yes Yes n/a
Input
Predictive Text Entry n/a n/a Yes Yes n/a
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes Yes - - Yes
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client n/a n/a - - n/a
Instant Messaging n/a n/a Yes - n/a
MMS n/a n/a Yes - n/a
Text Messaging Templates n/a n/a Yes Yes n/a
Music
FM Radio - Yes Yes - Yes
Headphone Jack (3.5mm) Yes Yes Yes - Yes
Music Player n/a n/a Yes - n/a
Photo & Video
DLNA Yes - - - -
Miracast Yes - - - -
TV Output Yes - - - Yes
Power
Fast Charging Yes - - - Yes
Wireless Charging Yes - - - -
Productivity
Alarm n/a n/a Yes Yes n/a
Calculator n/a n/a Yes Yes n/a
Calendar n/a n/a Yes - n/a
Voice Memo n/a n/a Yes - n/a
Software
Games n/a n/a Yes Yes n/a
Java (J2ME) n/a n/a Yes - n/a
Voice
HD Voice Yes - - - Yes
Headset Jack (2.5 mm) n/a n/a - Yes n/a
Speaker Phone Yes Yes Yes - Yes
  Samsung Galaxy S6 (GSM) Alcatel Pop Mega Alcatel 665 Kyocera 2135 BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S6 (GSM) Alcatel Pop Mega Alcatel 665 Kyocera 2135 BlackBerry Key2

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