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Phone Samsung Intensity U450 / DoubleTake BlackBerry Curve 8300 Alcatel A30 Plus BlackBerry Key2 AT&T Vista
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Not yet released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? 5.5" diag.
16 : 9
4.5" diag.
5 : 3
5.5" diag.
18 : 9
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz 60 Hz
Battery 960 mAh ? 3,000 mAh 3,500 mAh 2,450 mAh
Processor ? ? 1.5 GHz MediaTek MT6738 2.2 GHz Qualcomm Snapdragon 660 2 GHz MediaTek Helio A22 (MT6761V)
RAM ? ? 2 GB 6 GB 3 GB
Storage ? raw hardware ? raw hardware 16 GB 64 GB * 32 GB
Main Camera 1 megapixel 2 megapixel 13 megapixel 12 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - 12 megapixel -
Video Capture - - 1080p HD 4K UHD 1080p HD
Front Camera - - 5 megapixel 8 megapixel 5 megapixel
Weight 3.53 oz
(100g)
3.92 oz
(111g)
5.57 oz
(158g)
5.93 oz
(168g)
5.51 oz
(156g)
Dimensions 4.25" x 2.08" x 0.65"
(108 x 53 x 16.5 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
5.98" x 3.03" x 0.33"
(152 x 77 x 8.4 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) BlackBerry OS Android Android Android
Network Bands

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 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

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

Data Technology 1xRTT EDGE LTE (Cat 4) LTE (Cat 11) LTE (Cat 4)
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - Yes Yes Yes
GPS / Location Yes n/a n/a n/a n/a
Accessibility
Adjustable Text Size Yes n/a n/a n/a n/a
Hearing Aid Compatible Yes
M4 (very compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes n/a n/a n/a n/a
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
NFC - - - Yes -
USB Yes Yes Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
Contacts
Picture ID Yes n/a n/a n/a n/a
Ringer ID Yes n/a n/a n/a n/a
Voice Dialing Yes n/a n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - Yes -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client Yes n/a n/a n/a n/a
Instant Messaging Yes n/a n/a n/a n/a
MMS Yes n/a n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a n/a
Music
FM Radio - - Yes Yes -
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player Yes n/a n/a n/a n/a
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes n/a n/a n/a n/a
Calculator Yes n/a n/a n/a n/a
Calendar Yes n/a n/a n/a n/a
To-Do List Yes n/a n/a n/a n/a
Voice Memo Yes n/a n/a n/a n/a
Software
BREW Yes n/a n/a n/a n/a
Games Yes n/a n/a n/a n/a
Java (J2ME) - n/a n/a n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) Yes n/a n/a n/a n/a
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Intensity U450 / DoubleTake BlackBerry Curve 8300 Alcatel A30 Plus BlackBerry Key2 AT&T Vista
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Intensity U450 / DoubleTake BlackBerry Curve 8300 Alcatel A30 Plus BlackBerry Key2 AT&T Vista

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