Karbonn KT21 Express |
Sony Xperia M Dual |
Add 3rd Phone | ||
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General Info |
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Manufacturer | Karbonn | Sony |
Announced | 2012 | June 2013 |
Status | Available | Available - September 2013 |
Colors | Black | Black, White, Purple, Yellow |
Form Factor | Candybar | Candybar |
Dimension | - |
124 x 62 x 9.3 mm (4.88 x 2.44 x 0.37 in) |
Weight | - | 115 g (4.06 oz) |
2G Network | GSM - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Both Versions) |
3G Network | N/A | HSDPA 900 / 2100 - C2005 HSDPA 850 / 1700 / 1900 / 2100 - C2004 |
Messaging | SMS, MMS | SMS, MMS, Push Mail, EMail, IM |
Hardware and OS |
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OS | - | Android OS, v4.1 (Jelly Bean) |
Processor | - | Dual-core 1 GHz Krait, Qualcomm MSM8227 [Similar] |
GPU | - | Adreno 305 [Similar] |
RAM | N/A | 1 GB [Browse Similar] |
Internal Memory | - | 4 GB |
External Memory | microSD, up to 32 GB | microSD, up to 32 GB |
Display |
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Type | TFT capacitive touchscreen | TFT capacitive touchscreen |
Colors | TFT capacitive touchscreen | 16M colors |
Size | 2.8 inches [Similar] | 4.0 inches [Similar] |
Resolution | 240 x 320 pixels (143 ppi) | 480 x 854 pixels (245 ppi) [Similar] |
Screen-to-Body Ratio | - | 57.31% |
Multi-Touch | ||
Multimedia |
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3.5mm Jack | ||
Radio | FM radio, FM recording | Stereo FM radio with RDS |
Games | Yes + Downloadable | Yes + Downloadable |
Loud Speaker | ||
Camera |
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Rear Camera | 3.15 MP, 2048x1536 pixels [Similar] | 5 MP, 2592х1944 pixels [Similar] |
Flash | LED flash | LED flash |
Features | - | Auto focus, Geo-tagging, Touch Focus, Image Stabilization, HDR, Panorama |
Video | Yes | Yes, 720p@30fps |
Front Camera | No [Similar] | Yes, VGA [Similar] |
Connectivity and Data Rate |
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GPRS | Yes | Up to 86 kbps |
Edge | Yes | Up to 237 kbps |
3G | N/A | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
Bluetooth | Yes | Yes, v4.0 with A2DP, ANT+ |
Wi-Fi | No | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
USB | Yes | Yes, microUSB v2.0 |
GPS | No | Yes, with A-GPS support |
Browser | Yes | HTML5 |
User Memory |
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Phonebook | 2000 entries | Practically unlimited entries and fields, Photocall |
Call Records | Yes | Practically unlimited |
Internal | - | 4 GB, 1 GB RAM |
Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB |
Sensors |
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Fingerprint | ||
Proximity Sensor | ||
Accelerometer Sensor | ||
NFC | ||
Battery |
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Type | Li-Ion Battery | Li-Ion Battery |
Capacity | 1000 mAh | 1750 mAh |
Stand by | - | Up to 498 h (2G) Up to 454 h (3G) |
Talk Time | - | Up to 10 h 16 min (2G) Up to 9 h (3G) |