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NameSamsung Galaxy S DUOS
Karbonn A21
Processor: 1GHz Processor1.2 GHz Qualcomm Scorpion Dual Core
GPU: Adreno 200 GPU along with Dual SIMNo GPU
Operating System: AndroidAndroid
Operating System Version: Android 4.0 ICSIce Cream Sandwich (4.0)
Sensors: Accelerometer, Geo-magnetic, Proximity SensorLight Sensor, 3D G-Sensor and Proximity Sensor
Manufacturer: SamsungKarbonn
Series Name: GalaxyKarbonn A
Dimensions: 121.5 x 63.1 x 10.5mmN/A
Weight: 120g130g
Camera Type: Dual CameraDual Camera
Front Camera: CMOS, VGA1.3 Mega Pixels
Back Camera: CMOS, 5MP5 Mega Pixels
Camera features: CMOS, 5MP with LED flash2592 x 1944 pixels resolution, HD images, LED Flash, Auto Focus, Face Detection, Digital Zooming etc.
Video Camera features: 30fpsCamera can capture videos in MP4, H.263, H.264, AVI and 3GP formats.
RAM: 512 MB1GB
External Memory: 4 GBUp to 32 GB
Internal Storage: 16/32 GB expandable memory4 GB Storage
Screen Size: 10.16cms480 x 800 px
Display: 480 x 800 (WVGA)4.5 inches TFT Capacitive Touchscreen
Ports: USB 2.0USB 2.0
Battery Type: 1,500mAh1800 mAh
Battery (Talk Time): Up to 770 minutes (2G), Up to 520 minutes (3G)5 hours (2G) and 8 hours (3G)
Battery (Standby Time): Up to 570 Hours (2G), Up to 470 Hours (3G)200 hours (2G) and 290 hours (3G)
Audio: I-Melody, IMY, M4A, MIDI, MP3, OGG, SP-Midi, WAV, WMAMIDI, WAV and MP3
Video: MPEG4, H.263, H.264, 30fpsMP4, AVI, 3GP, H.263 and H.264
Accessories: Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Network: EDGE/GPRS (850/900/1,800/1,900MHz)2G - GSM 850 / 900 / 1800 / 1900, 3G - HSDPA 850 / 1900 / 2100
Connectivity: 802.11b/g/n 2.4GHz3G - HSDPA, 7.2 Mbps, Wi-Fi - 802.11 b/g/n, EDGE and A-GPS with Google Maps
Bluetooth: BT 3.0v2.1
GPRS: YesYes
Available Colors: White, BlackPearl White
Announced/Launched Date: Aug 2012September 2012
Built-in Apps: Android and related appsGmail, Twitter, Google Search, Google Play, Skype, Google Talk, Yahoo Messenger, Flickr, Picasa, Facebook, PayTM, NexGTv, WhatsApp, Mobile TV and Google Currents
SIM Card Type: Regular SIMRegular SIM
SIM Slots: Dual SIM
Category: Mid range SmartphoneMid range Smartphone
Price Range: US$251 to US$499US$100 to US$199
Read Samsung Galaxy S DUOS reviews.Read Karbonn A21 reviews.
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  • Compare Karbonn A21:
  • HTC 8X
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  • Samsung Galaxy Note II
  • Nokia Lumia 920
  • Samsung Galaxy Victory
  • Lenovo S880
  • LG Optimus L5 E612
  • LG Optimus L7 P705
  • SONY Xperia U
  • Sony Xperia P
  • Sony Ericsson Xperia ARC S LT18i
  • Nokia Lumia 810
  • LG Optimus L9 P765
  • LG E730
  • Apple's iPhone 4S
  • Lava XOLO A700
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  • Micromax A116 Canvas HD
  • Intex Aqua Style
  • Samsung Galaxy S II plus
  • Samsung Galaxy Grand Duos GT-i9082EWA
  • Sony Xperia tipo dual
  • Samsung Galaxy Fame S6810
  • BLU Quattro 4.5 HD
  • Lava XOLO A1000

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