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Phone Samsung Knack U310 Motorola KRZR K1 Sony Ericsson T68i Motorola Droid Ultra
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? ? 5" diag.
16 : 9
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
720 x 1280 pixels
(~294 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz
Battery 1,000 mAh 780 mAh 700 mAh 2,130 mAh
Processor ? ? ? 1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960T
RAM ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB
Main Camera - 2 megapixel - 10 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? - 1080p HD
Front Camera - - - 2 megapixel
Weight 3.63 oz
(103g)
3.6 oz
(102g)
2.96 oz
(84g)
4.83 oz
(137g)
Dimensions 3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
4.05" x 1.65" x 0.63"
(103 x 42 x 16 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
5.41" x 2.8" x 0.28"
(137 x 71 x 7.2 mm)
Form Factor Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology - EDGE GPRS LTE (Cat 3)
Features 
GPS / Location Yes - - n/a
Accessibility
Adjustable Text Size Yes - - n/a
Hearing Aid Compatible Yes - - Yes
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display Yes Yes - -
Ringer Profiles - Yes Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes -
Mobile Hotspot - - - n/a
NFC - - - Yes
USB - Yes - Yes
Micro-USB
Wi-Fi - - - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID - Yes Yes n/a
Ringer ID - Yes Yes n/a
Voice Dialing Yes Yes Yes n/a
Customization
Custom Graphics - Yes Yes n/a
Custom Ringtones - Yes Yes n/a
Real-Music Ringers - - - n/a
Data & Network
Data Tethering - Yes Yes n/a
WAP / Web Browser - Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - - - Yes
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - Yes Yes n/a
EMS / Picture Messaging Yes Yes Yes n/a
Instant Messaging - - - n/a
MMS - Yes Yes n/a
Text Messaging Templates - Yes Yes n/a
Music
Headphone Jack (3.5mm) - - - Yes
Music Player - Yes - n/a
Photo & Video
Miracast - - - Yes
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List - - Yes n/a
Voice Memo - Yes Yes n/a
Software
Games - Yes Yes n/a
Java (J2ME) - Yes - n/a
Voice
Headset Jack (2.5 mm) Yes - - n/a
Push-To-Talk - Yes * - -
Speaker Phone Yes Yes - Yes
  * Some versions only
  Samsung Knack U310 Motorola KRZR K1 Sony Ericsson T68i Motorola Droid Ultra
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Knack U310 Motorola KRZR K1 Sony Ericsson T68i Motorola Droid Ultra

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