Micromax Bolt A66 vs Karbonn A12+

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          General Info

          Manufacturer
          Micromax Karbonn
          Announced
          January 2014 October 2013
          Status
          Coming Soon - January 2014 Available - October 2013
          Colors
          White White, 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
          HSDPA 2100 HSDPA 2100
          Messaging
          SMS, MMS, EMail, IM SMS, MMS, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.1.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
          Processor
          1 GHz, Spreadtrum SC7710G [Similar] Dual-core 1.3 GHz, MTK 6572 [Similar]
          GPU
          - Mali-400MP [Similar]
          RAM
          512 MB [Browse Similar] 512 MB [Browse Similar]
          Internal Memory
          512 MB (165 MB for Apps) 4 GB (1.27 GB for apps, 1.24 GB user available)
          External Memory
          microSD, up to 32 GB microSD, up to 32 GB

          Display

          Type
          TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
          Colors
          262K colors 16M colors
          Size
          4.5 inches [Similar] 4.0 inches [Similar]
          Resolution
          480 x 854 pixels (218 ppi) [Similar] 480 x 800 pixels (233 ppi) [Similar]
          Screen-to-Body Ratio
          - -
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          2 MP, 1600x1200 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Fixed Focus, Geo-tagging Auto-focus, Geo-tagging, Face Detection, Panorama
          Video
          Yes Yes, 720p
          Front Camera
          No [Similar] Yes, 2 MP [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
          Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes
          Edge
          Class 12 Yes
          3G
          HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
          Bluetooth
          Yes, v2.1, EDR Yes, v2.0 A2DP, EDR
          Wi-Fi
          Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
          USB
          Yes, microUSB v2.0 Yes, microUSB v2.0
          GPS
          No Yes, with A-GPS support
          Browser
          HTML5 HTML

          User Memory

          Internal
          512 MB (165 MB for Apps), 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB 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 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
          1500 mAh 1400 mAh
          Stand by
          Up to 116 h -
          Talk Time
          Up to 4 h 30 min -

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