Karbonn Smart A51 vs Micromax Bolt A40

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          General Info

          Manufacturer
          Karbonn Micromax
          Announced
          September 2013 September 2013
          Status
          Available - September 2013 Available - September 2013
          Colors
          White Silver Black
          Form Factor
          Candybar Candybar
          Dimension
          - -
          Weight
          - -
          2G Network
          GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
          3G Network
          No No
          Messaging
          SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.0 (Ice Cream Sandwich) Android OS, v2.3.5 (Gingerbread)
          Processor
          1 GHz [Similar] 1 GHz Cortex-A5, Spreadtrum SC6820 [Similar]
          GPU
          - Mali-400 [Similar]
          RAM
          256 MB [Browse Similar] 512 MB [Browse Similar]
          Internal Memory
          512 MB (100 MB user available) 512 MB (75 MB user available)
          External Memory
          microSD, up to 32 GB microSD, up to 32 GB

          Display

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

          Camera

          Rear Camera
          3.15 MP, 2048x1536 pixels [Similar] 2 MP, 1600x1200 pixels [Similar]
          Flash
          LED flash LED Flash
          Features
          - Fixed Focus, Geo-tagging
          Video
          Yes Yes, 480p
          Front Camera
          Yes, VGA [Similar] Yes, VGA [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
          No No
          Bluetooth
          Yes Yes, 2.1
          Wi-Fi
          Wi-Fi 802.11 b/g, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
          USB
          Yes Yes
          GPS
          No No
          Browser
          HTML HTML

          User Memory

          Internal
          512 MB (100 MB user available), 256 MB RAM 512 MB (75 MB user available), 512 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 not present proximity sensor not present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor not present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Li-Ion Battery Li-Ion Battery
          Capacity
          1100 mAh 1500 mAh
          Stand by
          - Up to 175 h
          Talk Time
          - Up to 4 h 30 min

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