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Phone ZTE Groove Nokia N78 BlackBerry Classic (GSM) Sony Ericsson K850 ZTE Obsidian
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
2.4" diag.
4 : 3
3.5" diag.
1 : 1
2.2" diag.
4 : 3
4.5" diag.
16 : 9
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 1,500 mAh 1,200 mAh 2,515 mAh ? 1,800 mAh
Processor 800 MHz Qualcomm MSM7627A 369 MHz ARM 11 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ? 1 GHz MediaTek / MT6735M
RAM 512 MB ? 2 GB ? 1 GB
Storage 1 GB ? raw hardware 16 GB ? raw hardware 8 GB
Main Camera 3 megapixel 3 megapixel 8 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD VGA (640 x 480) 1080p HD ? 720p HD
Front Camera Yes - 2 megapixel - 2 megapixel
Weight 4.5 oz
(128g)
3.59 oz
(102g)
6.28 oz
(178g)
4.2 oz
(119g)
4.66 oz
(132g)
Dimensions 4.67" x 2.46" x 0.55"
(119 x 62 x 14 mm)
4.45" x 1.93" x 0.59"
(113 x 49 x 15.1 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
5.41" x 2.7" x 0.39"
(137 x 69 x 10 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Android S60 (Symbian) BlackBerry 10 (proprietary) Android
Network Bands

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA HSDPA 3.6 LTE (Cat 3) HSDPA 3.6 LTE (Cat 4)
Features 
Flashlight - - - - Yes
GPS / Location n/a n/a n/a - n/a
Accessibility
Adjustable Text Size n/a n/a n/a - n/a
Hearing Aid Compatible - - Yes - Yes
Multiple Languages n/a n/a n/a Yes n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles - Yes Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a n/a n/a - n/a
NFC - - Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi Yes Yes
802.11 b,g
Yes
4 (802.11 a,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a n/a n/a Yes n/a
Ringer ID n/a n/a n/a Yes n/a
Voice Dialing n/a n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a n/a Yes n/a
Custom Ringtones n/a n/a n/a Yes n/a
Real-Music Ringers n/a n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a n/a Yes n/a
WAP / Web Browser n/a n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes - Yes - Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client n/a n/a n/a Yes n/a
Instant Messaging n/a n/a n/a - n/a
MMS n/a n/a n/a Yes n/a
Text Messaging Templates n/a n/a n/a Yes n/a
Music
FM Radio - Yes Yes Yes -
FM Transmitter n/a n/a n/a - n/a
Headphone Jack (3.5mm) Yes Yes Yes - Yes
Music Player n/a n/a n/a Yes n/a
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output - Yes Yes - -
Video Calling n/a n/a n/a Yes * n/a
Productivity
Alarm n/a n/a n/a Yes n/a
Calculator n/a n/a n/a Yes n/a
Calendar n/a n/a n/a Yes n/a
To-Do List n/a n/a n/a Yes n/a
Voice Memo n/a n/a n/a Yes n/a
Software
Games n/a n/a n/a Yes n/a
Java (J2ME) n/a n/a n/a Yes n/a
Voice
Push-To-Talk - Yes * - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Groove Nokia N78 BlackBerry Classic (GSM) Sony Ericsson K850 ZTE Obsidian
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Groove Nokia N78 BlackBerry Classic (GSM) Sony Ericsson K850 ZTE Obsidian

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