Karbonn A12 vs Micromax Bolt A37B

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          General Info

          Manufacturer
          Karbonn Micromax
          Announced
          February 2013 January 2014
          Status
          Available - February 2013 Available - January 2014
          Colors
          Black/White Black
          Form Factor
          Candybar Candybar
          Dimension
          135 x 66 x 11 mm
          (5.31 x 2.6 x 0.43 in)
          -
          Weight
          164 g (5.78 oz) -
          2G Network
          GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
          3G Network
          HSDPA 2100 - SIM 1 only HSDPA 2100
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.2.2 (Jelly Bean)
          Processor
          1 GHz [Similar] Dual-core 1.3 GHz, MTK 6572M [Similar]
          GPU
          - Mali-400 [Similar]
          RAM
          512 MB [Browse Similar] 256 MB [Browse Similar]
          Internal Memory
          4 GB 512 MB (107 MB for Apps, 27.82 MB for Mass Storage)
          External Memory
          microSD, up to 32 GB microSD, up to 32 GB

          Display

          Type
          Capacitive Touchscreen TFT capacitive touchscreen
          Colors
          262K colors 16M colors
          Size
          4.5 inches [Similar] 3.5 inches [Similar]
          Resolution
          480 x 854 pixels (218 ppi) [Similar] 320 x 480 pixels (165 ppi)
          Screen-to-Body Ratio
          62.46% -
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          5 MP, 2592х1944 pixels [Similar] 2 MP, 1600x1200 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Auto focus, Geo-tagging, Face Detection Fixed Focus, Geo-tagging
          Video
          Yes Yes
          Front Camera
          Yes, VGA [Similar] No [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          FM radio FM radio
          Games
          Yes + Downloadable Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Yes Yes
          Edge
          Yes Yes
          3G
          HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
          Bluetooth
          Yes Yes, v2.1 with EDR
          Wi-Fi
          Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
          USB
          Yes, microUSB v2.0 Yes, microUSB v2.0
          GPS
          Yes, with A-GPS support No
          Browser
          HTML HTML

          User Memory

          Internal
          4 GB, 512 MB RAM 512 MB (107 MB for Apps, 27.82 MB for Mass Storage), 256 MB RAM
          Expandable Storage
          microSD, up to 32 GB microSD, up to 32 GB

          Sensors

          Fingerprint
          fingerprint not supported fingerprint not supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Li-Ion Battery Li-Ion Battery
          Capacity
          1800 mAh 1450 mAh
          Stand by
          Up to 180 h Up to 256 h
          Talk Time
          Up to 4 h Up to 5 h 30 min

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