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Karbonn KT21 Express vs LAVA S12

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Karbonn KT21 Express

Posted: 25 Apr 2012
Market Status: Released

LAVA S12

Posted: 10 Nov 2011
Market Status: Released

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Design
Device type	Feature phone	Smart phone
OS		Android (2.2)
Form factor	Candybar	Candybar
Dimensions		4.61 x 2.26 x 0.53 inches (117 x 57.5 x 13.4 mm)
Weight		4.23 oz (120 g) the average is 4.4 oz (126 g)
Design features	Numeric keypad
Side Keys	Left: Camera shutter
Colors	Brown

Display
Physical size	2.8 inches	3.2 inches
Resolution		320 x 480 pixels
Pixel density Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.		180 ppi
Colors		262 144
Touchscreen	Capacitive, Multi-touch	Capacitive, Multi-touch
Features	Proximity sensor	Light sensor, Proximity sensor

Battery
Talk time		10.80 hours the average is 10 h (626 min)
Stand-by time		24.6 days (590 hours) the average is 18 days (435 h)
Talk time (3G)		8.00 hours the average is 9 h (543 min)
Stand-by time (3G)		27.1 days (650 hours) the average is 23 days (561 h)
Capacity	1000 mAh	1300 mAh
Type	Li - Ion

Hardware
System chip System chip - Most modern handsets use an advanced chip that includes many of the device’s hardware modules like the processor, Wi-Fi, Bluetooth and sometimes even the wireless radio. This field shows what particular system chip (or System-on-a-Chip) is used in the phone.		Qualcomm Snapdragon S1 MSM7227
Processor Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.		Single core, 600 MHz
Built-in storage		0.12 GB
Storage expansion	microSD, microSDHC up to 32 GB	microSD, microSDHC up to 32 GB

Camera
Camera	3.2 megapixels	5 megapixels
Flash	Yes
Features	Digital zoom	Digital zoom
Camcorder	Yes	Yes

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Multimedia
Music player
Filter by		Album, Artist, Playlists
Features		Album art cover, Background playback
Supported formats	MP3	MP3
Video playback
Supported formats		MPEG4
Radio	FM, Recording option	FM
Speakers	Loudspeaker

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

Technology
GSM	900, 1800 MHz	850, 900, 1800, 1900 MHz
UMTS		2100 MHz
Data	EDGE, GPRS	HSDPA 7.2 Mbit/s, HSUPA, UMTS, EDGE, GPRS
Global Roaming		Yes
Positioning Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.		A-GPS

Phone features
Phonebook	2000 entries
Organizer		Calendar, Alarm, Calculator
Messaging	SMS	SMS, MMS
E-mail	Yes	IMAP, POP3, SMTP, Push e-mail
Instant Messaging	Yahoo!	Yes
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	2.1
Wi-Fi		Yes
USB		USB 2.0
Connector		microUSB
Features		Mass storage device, USB charging
Headphones connector	3.5mm	3.5mm
Other		Computer sync, OTA sync

Other features
Notifications		Music ringtones (MP3, AAC, WAV, AMR, MIDI), Polyphonic ringtones, Vibration, Phone profiles, Flight mode, Silent mode

LG Optimus F3
- Posted: 21 May 2013
- OS: Android 4.1.2
- Hardware: Dual core
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
Kyocera Hydro EDGE
- Posted: 21 May 2013
- OS: Android 4.1
- Hardware: Dual core, 1000 MHz, 1024 MB RAM
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 5 megapixels
- Technology: CDMA (800 1900)
Kyocera Hydro XTRM
- Announced: yesterday
- OS: Android 4.1
- Hardware: Dual core, 1200 MHz, Krait
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 5 megapixels
- Technology: CDMA (800 1900)
- Data: LTE EV-DO Rev.A
Nokia Lumia 925
- Announced: 14 May 2013
- OS: Windows Phone 8
- Hardware: Dual core, 1500 MHz, Krait, 1024 MB RAM
- Display: 4.5 inches, 768 x 1280 pixels, Capacitive Touchscreen
- Camera 8.7 megapixels, 1920x1080 (1080p HD) video
- Battery: 18.3 hours of Talk Time, 432 hours of Stand-by
- 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
BlackBerry Q5
- Announced: 15 May 2013
- OS: BlackBerry
- Hardware: Dual core, 1200 MHz, 2048 MB RAM
- Display: 3.1 inches, 720 x 720 pixels, Capacitive Touchscreen
- Camera 5 megapixels
Sony Xperia ZR
- Announced: 13 May 2013
- OS: Android 4.1
- Hardware: Quad core, 1500 MHz, 2048 MB RAM
- Display: 4.5 inches, 720 x 1280 pixels, Capacitive Touchscreen
- Camera 13 megapixels, 1920x1080 (1080p HD) video
- Technology: GSM (850 900 1800 1900)
- Data: HSPA (unspecified) UMTS EDGE GPRS
Nokia Lumia 928
- Announced: 10 May 2013
- OS: Windows Phone 8
- Hardware: Dual core, 1500 MHz, Krait, 1024 MB RAM
- Display: 4.5 inches, 768 x 1280 pixels, Capacitive Touchscreen
- Camera 8.7 megapixels, 1920x1080 (1080p HD) video
- Battery: 16.2 hours of Talk Time, 606 hours of Stand-by
- Technology: GSM (850 900 1800 1900), CDMA (800 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 EV-DO Rev.A
Vertu Ti
- Posted: 09 May 2013
- OS: Android 4.0
- Hardware: Dual core, 1700 MHz, 1024 MB RAM
- Display: 3.7 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 8 megapixels, 1920x1080 (1080p HD) video
- Battery: 7.3 hours of Talk Time, 200 hours of Stand-by
- Technology: GSM (850 900 1800 1900)
- Data: HSDPA+ (4G) 42.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS