Karbonn KT21 Express vs Karbonn K 604
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| Design | |||
|---|---|---|---|
| Device type | Feature phone | Feature phone | |
| Form factor | Candybar | Candybar | |
| Dimensions | 4.57 x 1.81 x 0.53 inches (116 x 46 x 13.5 mm) | ||
| Design features | Numeric keypad | Numeric keypad, Soft keys, D-Pad | |
| Side Keys | Left: Camera shutter | ||
| Colors | Brown |
| Display | |||
|---|---|---|---|
| Physical size | 2.8 inches | 2.6 inches | |
| Resolution | 240 x 320 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. | 154 ppi | ||
| Touchscreen | Capacitive, Multi-touch | ||
| Features | Proximity sensor |
| Battery | |||
|---|---|---|---|
| Talk time | 3.00 hours the average is 10 h (626 min) | ||
| Stand-by time | 20.0 days (480 hours) the average is 18 days (435 h) | ||
| Capacity | 1000 mAh | 1500 mAh | |
| Type | Li - Ion |
| Hardware | |||
|---|---|---|---|
| Built-in storage | 0.064 GB | ||
| Storage expansion | microSD, microSDHC up to 32 GB | microSD, microSDHC up to 64 GB |
| Camera | |||
|---|---|---|---|
| Camera | 3.2 megapixels | Yes | |
| Flash | Yes | Yes | |
| Features | Digital zoom | ||
| Camcorder | Yes |
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| Multimedia | |||
|---|---|---|---|
| Music player | |||
| Supported formats | MP3 | MP3, WMA, WAV, AMR, MIDI | |
| Video playback | |||
| Supported formats | MPEG4, 3GP | ||
| Radio | FM, Recording option | FM | |
| Speakers | Loudspeaker |
| Internet browsing | |||
|---|---|---|---|
| Browser | supports: supports: WAP | supports: supports: 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, Flashlight, World clock, Stopwatch | ||
| Messaging | SMS | SMS (100 messages), MMS, Predictive text input | |
| 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 | |
| USB | Yes | ||
| Headphones connector | 3.5mm | 3.5mm | |
| Other | Computer sync |
| Other features | |||
|---|---|---|---|
| Notifications | Music ringtones, Polyphonic ringtones (64 voices), Vibration, Silent mode | ||
| Other | Voice recording |
