| Specifications | Datawind PocketSurfer 3G4 | Karbonn K91 |
| Price | 1899.0 | 1999.0 |
| Battery | 1200 mAh | 1500 mAh |
| Operating System | Android v4.4.2 (Kitkat) | |
| Display | 4.0 inches (10.16 cm) | 2.4 inches (6.1 cm) |
| Camera | 5 MP And 0.3 MP | 1.3 MP And |
Battery |
|
| 1200 mAh | 1500 mAh |
Display |
|
| 4.0 inches (10.16 cm) | 2.4 inches (6.1 cm) |
Front Camera |
|
| 0.3 MP | - |
Rear Camera |
|
| 5 MP | 1.3 MP |
Capacity |
|
| 1200 mAh | 1500 mAh |
Standby time |
|
| Up to 48 Hours(2G) | Up to 300(2G) |
TalkTime |
|
| Up to 3 Hours(2G) | Up to 8(2G) |
Type |
|
| Li-ion | Li-ion |
Camera Features |
|
| Digital Zoom | Digital Zoom Smile detection |
Camera Setup |
|
| Single | Single |
Flash |
|
| Yes, LED Flash | Yes |
Image Resolution |
|
| 2592 x 1944 Pixels | - |
Resolution |
|
| 0.3 MP, Primary Camera | 1.3 MP Primary Camera |
Shooting Modes |
|
| - | Continuous Shooting |
Colours |
|
| Black | Red-Black and Red-White |
Height |
|
| 123 mm | 118 mm |
Thickness |
|
| 10 mm | 13.60 mm |
Weight |
|
| 102 grams | 95 grams |
Width |
|
| 64 mm | 50 mm |
Display Type |
|
| LCD | LCD |
Pixel Density |
|
| 233 ppi | 167 ppi |
Screen Size |
|
| 4.0 inches (10.16 cm) | 2.4 inches (6.1 cm) |
Screen to Body Ratio (calculated) |
|
| 57.8 % | 30.25 % |
Touch Screen |
|
| Yes, Capacitive Touchscreen, Multi-touch | - |
Brand |
|
| Datawind | Karbonn |
Launch Date |
|
| March 17, 2015 (Official) | February 2, 2012 |
Operating System |
|
| Android v4.4.2 (Kitkat) | - |
Audio Jack |
|
| 3.5 mm | - |
FM Radio |
|
| Yes | Yes |
Fm Radio |
|
| Yes | Yes |
Loudspeaker |
|
| Yes | - |
Music |
|
| - | Yes, Music Formats: Yes, One Touch Music Player, Music Formats : MP3, MIDI, WAV, WMA, AMR with 3.5mm Audio Jack |
Bluetooth |
|
| Yes | Yes |
Network Support |
|
| 5G Not Supported in India, 3G, 2G | 5G Not Supported in India, 2G |
SIM 1 |
|
| 3G Bands: UMTS 2100 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available | GPRS: Available |
SIM 2 |
|
| 2G Bands: GSM 1800 / 900 MHz | - |
SIM Slot(s) |
|
| Dual SIM, GSM+GSM | Dual SIM, GSM+GSM |
USB Connectivity |
|
| microUSB | - |
Wi-Fi |
|
| Yes, Wi-Fi 4 (802.11 b/g/n) | No |
Wi-Fi Features |
|
| Mobile Hotspot | - |
CPU |
|
| Single core, 1.2 GHz, ARM Cortex A7 | - |
Ram |
|
| 256 MB | - |
Applications |
|
| - | |
Browser |
|
| - | Yes |
Java |
|
| - | No |
MMS |
|
| - | Yes, MMS Storage 30 |
Mms |
|
| - | Yes, MMS Storage 30 |
Other Facilities |
|
| - | STK, Power on/off animation, CLID with Photo, Caller group, Power Saver, Calculator, Alarm clock, Stop Watch, World Times, Speed Dialing, Organizer, Currency converter, Health Management |
Other Sensors |
|
| Accelerometer | - |
Phone Book |
|
| - | Yes, 1000 Entries |
SMS |
|
| - | Yes, SMS Storage 300 |
Sms |
|
| - | Yes, SMS Storage 300 |
Expandable Memory |
|
| Yes, Up to 32 GB | Yes, Up to 8 GB |
Internal Memory |
|
| 512 MB | 64 MB |
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