Karbonn K105 Star vs Sigma Comfort 50 Optima Type-C Comparison

Compare Specification and Price of Karbonn K105 Star and Sigma Comfort 50 Optima Type-C

Selected Mobiles

Karbonn K105 Star
Karbonn K105 Star

Brand:

Model:

Sigma Comfort 50 Optima Type-C
Sigma Comfort 50 Optima Type-C

Brand:

Model:

Brand:

Model:

Brand:

Model:

Price $16.50 $33.88
Pros and Cons
Pros -- --
Cons -- --


Overview
Class Feature Phone Feature Phone
Status Discontinued Available
SIM Type Dual SIM Dual SIM (mini SIM + mini SIM)
Network GSM: 900/1800 MHz GSM 850/900/1800/1900 MHz
Processor -- MTK6260A
Form Factor Bar --
In The Box -- • Mobile phone Comfort 50 Optima • Battery • Mains charger with one-piece molded cable • User's manual • Warranty card
Physical Dimensions
Dimension (HxWxD) -- 149 x 63 x 14.3 mm
Display
Size 1.77 Inches 3.5 Inch
Technology LCD --
Resolution 128 x 160 Pixels 320*480
Memory and Storage
Internal Memory -- --
External Memory microSD, upto 4 GB microSD (up to 32 GB)
Battery
Type Li-Ion 800 mAh battery 2500 mAh (removable)
Camera
Primary Camera(Rear) Yes Yes
Secondary Camera(Front) No --
Resolution 640 x 480 Pixels --
Digital/Optical Zoom Digital zoom --
Video Yes --
Data & Connectivity
GPRS No --
Bluetooth Yes 3.0
USB Yes, USB Port --
Multimedia
Music Player MP3 Player Yes
MP3 Ringtone Yes --
Poly Ringtone Yes --
LoudSpeaker Yes --
Video Player MP4, 3GP Yes
Video recording Yes --
Messaging
SMS Yes Yes
Email No --
Features
Java No --
FM Radio FM radio --
Additional Features Data Security, F1 Race Game, Torch Light, Auto Call Recording, Mobile Tracker, Keypad Lock and Private Data Protection. Interface languages: Ukrainian, English, Russian
Speed dial: 8 numbers
SOS button for emergency calls: Programmed for 5 numbers
Memory for 1000 SMS

Phonebook:
1000 contacts on the phone:
2 numbers per 1 contact;
30 characters in the contact name

Organizer:
Alarm clock
Calculator
Calendar
Stopwatch
Timer

Multimedia:
Dictaphone
Electronic book

Security and spam protection:
Phone lock
PIN request
Blacklist
White list

Keypad backlight
Auto call recording
Automatic key lock
Picture and melody for contact
Large font size
Export / import of contacts
Ability to use a stereo Bluetooth headset
Ability to set a ringtone from a file
Voice acting: incoming calls, dialing, number in the phone book
Ability to use a stereo Bluetooth headset
Headphone Jack 3.5 mm
Connector for charger: microUSB
Warranty: 12 months
Colors Available
Colors Black/Red Black, Red


Which one do you think is better? And why?
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