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Phone Samsung Galaxy S6 (GSM) Nokia C2 Tava / Tennen Samsung Galaxy S6 edge (GSM) Alcatel Idol 4S BlackBerry Key2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 5.1" diag.
16 : 9
5.5" diag.
18 : 9
5.1" diag.
16 : 9
5.5" diag.
16 : 9
4.5" diag.
5 : 3
Display Resolution & Type 1440 x 2560 pixels
(~576 ppi)
AMOLED
720 x 1440 pixels
(~295 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
1440 x 2560 pixels
(~534 ppi)
AMOLED
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz
Battery 2,550 mAh 3,000 mAh 2,600 mAh 3,000 mAh 3,500 mAh
Processor 2.1 GHz Samsung Exynos 7420 2 GHz MediaTek Helio A22 (MT6761) 2.1 GHz Samsung Exynos 1.8 GHz Qualcomm Snapdragon 652 (MSM8976) 2.2 GHz Qualcomm Snapdragon 660
RAM 3 GB 2 GB 3 GB 3 GB 6 GB
Storage 32 GB * 32 GB 32 GB * 32 GB 64 GB *
Main Camera 16 megapixel 8 megapixel 16 megapixel 16 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - 12 megapixel
Video Capture 4K UHD 1080p HD 4K UHD 4K UHD 4K UHD
Front Camera 5 megapixel 5 megapixel 5 megapixel 8 megapixel 8 megapixel
Weight 4.87 oz
(138g)
6.35 oz
(180g)
4.66 oz
(132g)
5.26 oz
(149g)
5.93 oz
(168g)
Dimensions 5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
5.93" x 2.82" x 0.36"
(151 x 72 x 9.2 mm)
5.59" x 2.76" x 0.28"
(142 x 70 x 7 mm)
6.06" x 2.97" x 0.28"
(154 x 75 x 7 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Platform / OS Android Android Android Android 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: 2, 4, 5, 12, 14, 29, 30, 66

WCDMA: 2, 4, 5

GSM: 850, 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: 2, 4, 5, 7, 12, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

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 6) LTE (Cat 6) LTE (Cat 4) LTE (Cat 11)
Features 
Fingerprint Reader Yes - Yes Yes * Yes
stand-alone
Flashlight Yes Yes Yes Yes Yes
VR-ready Yes - Yes - -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) Yes - Yes - -
MirrorLink Yes - Yes - -
NFC Yes - Yes Yes Yes
USB Yes
Micro-USB
Yes
USB Type C
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)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Data & Network
Dual-SIM - - - Yes * -
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes Yes Yes Yes Yes
Memory
Memory Card Slot - Yes - Yes Yes
Music
FM Radio - Yes - - Yes
Headphone Jack (3.5mm) Yes Yes Yes Yes Yes
Stereo Speakers - - - Yes -
Photo & Video
DLNA Yes - Yes - -
Miracast Yes - Yes Yes -
TV Output Yes - Yes - Yes
Power
Fast Charging Yes - - Yes Yes
Wireless Charging Yes - Yes - -
Voice
HD Voice Yes - Yes Yes Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S6 (GSM) Nokia C2 Tava / Tennen Samsung Galaxy S6 edge (GSM) Alcatel Idol 4S BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S6 (GSM) Nokia C2 Tava / Tennen Samsung Galaxy S6 edge (GSM) Alcatel Idol 4S BlackBerry Key2

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