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Karbonn KT21 Express vs Karbonn K 21

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Karbonn KT21 Express

Posted: 25 Apr 2012
Market Status: Released

Karbonn K 21

Posted: 03 Dec 2011
Market Status: Released

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Design
Device type	Feature phone	Feature phone
Form factor	Candybar	Candybar
Dimensions		4.39 x 1.86 x 0.56 inches (111.5 x 47.3 x 14.3 mm)
Weight		2.82 oz (80 g) the average is 4.4 oz (127 g)
Design features	Numeric keypad	Numeric keypad, Soft keys (2), D-Pad
Side Keys	Left: Camera shutter
Colors	Brown

Display
Physical size	2.8 inches	2.2 inches
Touchscreen	Capacitive, Multi-touch
Features	Proximity sensor

Battery
Capacity	1000 mAh
Type	Li - Ion

Hardware
Storage expansion	microSD, microSDHC up to 32 GB	microSD, microSDHC up to 4 GB

Camera
Camera	3.2 megapixels	Yes
Flash	Yes
Features	Digital zoom
Camcorder	Yes

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Multimedia
Music player
Supported formats	MP3	MP3
Radio	FM, Recording option	FM, Recording option, Internal antenna
Speakers	Loudspeaker

Internet browsing
Browser
supports	WAP	WAP
Built-in online services support	Facebook, YouTube (upload)

Technology
GSM	900, 1800 MHz	900, 1800 MHz
Data	EDGE, GPRS	GPRS
Multiple SIM cards		2 slots

Phone features
Phonebook	2000 entries	500 entries
Organizer		Calendar, Alarm, Calculator, World clock, Stopwatch
Messaging	SMS	SMS (200 messages), MMS
E-mail	Yes
Instant Messaging	Yahoo!
JAVA JAVA - J2ME (Java 2 Platform, Micro Edition) is a technology that allows programmers to use the Java programming language and related tools to develop programs for mobile wireless information devices such as cellular phones and personal digital assistants (PDAs). J2ME consists of programming specifications and a special virtual machine, the K Virtual Machine, that allows a J2ME-encoded program to run in the mobile device.	Yes

Connectivity
Bluetooth	Yes	Yes
Headphones connector	3.5mm	3.5mm

Other features
Notifications		Music ringtones, Polyphonic ringtones (64 voices), Vibration, Silent mode

HTC Desire 200
- Announced: 5 hours ago
- OS: Android 4.0
- Hardware: Single core, 1000 MHz, 512 MB RAM
- Display: 3.5 inches, 320 x 480 pixels, Capacitive Touchscreen
- Camera 5 megapixels, 640x480 (VGA) video
- Battery: 10.9 hours of Talk Time, 693 hours of Stand-by
- Technology: GSM (850 900 1800 1900)
- Data: HSDPA 7.2 Mbit/s UMTS EDGE GPRS
Samsung Galaxy S4 Zoom
- Announced: 12 Jun 2013
- OS: Android 4.2
- Hardware: Dual core, 1500 MHz, ARM Cortex-A9, 1536 MB RAM
- Display: 4.3 inches, 540 x 960 pixels, Capacitive Touchscreen
- Camera 16 megapixels, 1920x1080 (1080p HD) 1280x720 (720p HD) video
- Technology: GSM (850 900 1800 1900)
- Data: LTE Cat3 Downlink 100 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 21.1 Mbit/s UMTS EDGE GPRS
Samsung GALAXY Ace 3
- Announced: 10 Jun 2013
- OS: Android 4.2
- Hardware: Dual core, 1200 MHz, 1024 MB RAM
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 5 megapixels, 1920x1080 (1080p HD) 1280x720 (720p HD) video
- Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s
ZTE Vital
- Announced: 10 Jun 2013
- OS: Android 4.1.2
- Hardware: Dual core, 1500 MHz, Krait, 1024 MB RAM
- Display: 5.0 inches, 720 x 1280 pixels
- Camera 13 megapixels
- Technology: CDMA (800 1900)
- Data: LTE
Nokia EOS
- Posted: 05 Jun 2013
- OS: Windows Phone 8
- Display: 4.5 inches, 768 x 1280 pixels, Capacitive Touchscreen
- Camera 41 megapixels
LG Optimus L4 II
- Posted: 05 Jun 2013
- OS: Android 4.1
- Hardware: Single core, 1000 MHz, ARM Cortex-A9, 512 MB RAM
- Display: 3.8 inches, 320 x 480 pixels, Capacitive Touchscreen
- Camera 3 megapixels
- Technology: GSM (850 900 1800 1900)
- Data: HSDPA 7.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS
Samsung Galaxy S4 Active
- Announced: 05 Jun 2013
- OS: Android 4.2.2
- Hardware: Quad core, 1900 MHz, Krait 300, 2048 MB RAM
- Display: 5.0 inches, 1080 x 1920 pixels, Capacitive Touchscreen
- Camera 8 megapixels, 1920x1080 (1080p HD) video
- Technology: GSM (850 900 1800 1900)
- Data: LTE Cat3 Downlink 100 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s UMTS EDGE GPRS
Sony Xperia M
- Announced: 04 Jun 2013
- OS: Android 4.1
- Hardware: Dual core, 1000 MHz, Krait, 1024 MB RAM
- Display: 4.0 inches, 480 x 854 pixels, Capacitive Touchscreen
- Camera 5 megapixels, 1280x720 (720p HD) video
- Battery: 10.3 hours of Talk Time, 552 hours of Stand-by
- Technology: GSM (850 900 1800 1900)
- Data: HSPA (unspecified) UMTS EDGE GPRS