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Phone Samsung Knack U310 Samsung Chrono Motorola RAZR V3c CAT S62 Kyocera KX12
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
2" diag.
4 : 3
? 5.7" diag.
18 : 9
?
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~424 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? 60 Hz ?
Battery 1,000 mAh ? 740 mAh 4,000 mAh 1,800 mAh
Processor ? ? ? 2.2 GHz Qualcomm Snapdragon 660 ?
RAM ? ? ? 4 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB ? raw hardware
Main Camera - Yes 1 megapixel 48 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? 4K UHD -
Front Camera - - - 8 megapixel -
Weight 3.63 oz
(103g)
3.14 oz
(89g)
3.49 oz
(99g)
9.17 oz
(260g)
4.62 oz
(131g)
Dimensions 3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
3.7" x 1.83" x 0.67"
(94 x 46 x 17 mm)
3.9" x 2.1" x 0.6"
(99 x 53 x 15.2 mm)
6.2" x 3" x 0.5"
(157 x 76 x 12.7 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
Form Factor Clamshell Clamshell Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1700, 1900

*

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology - 1xRTT EVDO r0 LTE (Cat 12) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - - Yes Yes
GPS / Location Yes Yes Yes n/a Yes
Ruggedized - - - Yes Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size Yes - - n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes Yes - -
Connectivity
Bluetooth - Yes Yes Yes -
NFC - - - Yes -
USB - Yes
Micro-USB
Yes
Mini-USB
Yes
USB Type C
-
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - Yes Yes n/a Yes
Ringer ID - Yes Yes n/a Yes
Voice Dialing Yes Yes Yes n/a Yes
Customization
Custom Graphics - Yes Yes n/a Yes
Custom Ringtones - Yes Yes n/a Yes
Real-Music Ringers - - Yes n/a -
Data & Network
Data Tethering - - Yes n/a Yes
WAP / Web Browser - Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client - Yes - n/a -
EMS / Picture Messaging Yes - Yes n/a Yes
MMS - Yes Yes n/a -
Text Messaging Templates - Yes Yes n/a Yes
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
Voice Memo - Yes Yes n/a Yes
Software
BREW - Yes Yes n/a Yes *
Games - Yes Yes n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes - - n/a Yes
Push-To-Talk - - - Yes Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Knack U310 Samsung Chrono Motorola RAZR V3c CAT S62 Kyocera KX12
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Knack U310 Samsung Chrono Motorola RAZR V3c CAT S62 Kyocera KX12

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