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Phone BlackBerry Curve 3G 9330 Samsung Galaxy S6 active Microsoft Surface Duo 2 Ericsson R520 Motorola T720 / T721 (GSM)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.5" diag.
4 : 3
5.1" diag.
16 : 9
8.3" diag.
4 : 3
? ?
Display Resolution & Type 320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
2688 x 1892 pixels
(~396 ppi)
AMOLED
? 120 x 160 pixels
LCD (STN)
Display Refresh ? 60 Hz 90 Hz ? ?
Battery 1,150 mAh 3,500 mAh 4,449 mAh ? ?
Processor ? 2.1 GHz Samsung Exynos 7420 Qualcomm Snapdragon 888 ? ?
RAM ? 3 GB 8 GB ? ?
Storage ? raw hardware 32 GB 128 GB * ? raw hardware ? raw hardware
Main Camera 2 megapixel 16 megapixel 12 megapixel - -
Wide Camera - - 16 megapixel - -
Tele Camera - - 12 megapixel - -
Video Capture ? 4K UHD 4K UHD - -
Front Camera - 5 megapixel 12 megapixel - -
Weight 3.7 oz
(105g)
5.29 oz
(150g)
10.02 oz
(284g)
4.23 oz
(120g)
3.56 oz
(101g)
Dimensions 4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
5.78" x 2.9" x 0.35"
(147 x 74 x 8.9 mm)
5.72" x 3.63" x 0.43"
(145 x 92 x 11 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.5" x 1.87" x 0.83"
(89 x 47 x 21.1 mm)
Form Factor Slab Slab Unique Slab Clamshell
Platform / OS BlackBerry OS Android Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

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

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 1900

Data Technology EVDO r0 LTE (Cat 6) NR (5G) GPRS GPRS
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location n/a n/a n/a - -
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size n/a n/a n/a - -
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes - - -
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes Yes
HSP, Sync, OPP, DUN
-
Infrared (IR) - Yes - Yes -
MirrorLink - Yes - - -
Mobile Hotspot n/a n/a n/a - -
NFC - Yes Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
- -
Wi-Fi Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
- -
Contacts
Picture ID n/a n/a n/a - -
Ringer ID n/a n/a n/a - Yes
Voice Dialing n/a n/a n/a Yes Yes
Customization
Changeable Body Plates - - - - Yes
Custom Graphics n/a n/a n/a - Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a - -
Data & Network
Data Tethering n/a n/a n/a Yes Yes
Dual-SIM - - Yes - -
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client n/a n/a n/a - Yes
EMS / Picture Messaging n/a n/a n/a - Yes
Instant Messaging n/a n/a n/a - -
MMS n/a n/a n/a - -
Text Messaging Templates n/a n/a n/a Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes - - -
Music Player n/a n/a n/a - -
Stereo Speakers - - Yes - -
Photo & Video
DLNA - Yes - - -
Miracast - Yes Yes - -
TV Output - - Yes - -
Power
Fast Charging - Yes Yes - -
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a - -
Voice Memo n/a n/a n/a Yes Yes
Software
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a - Yes
Voice
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) n/a n/a n/a - Yes
Speaker Phone Yes Yes Yes Yes -
  BlackBerry Curve 3G 9330 Samsung Galaxy S6 active Microsoft Surface Duo 2 Ericsson R520 Motorola T720 / T721 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Curve 3G 9330 Samsung Galaxy S6 active Microsoft Surface Duo 2 Ericsson R520 Motorola T720 / T721 (GSM)

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