Micromax A57 Ninja 3.0 vs Micromax A51 Bolt

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          General Info

          Manufacturer
          Micromax Micromax
          Announced
          September 2012 March 2013
          Status
          Available - September 2012 Available - April 2013
          Colors
          Black Black, White
          Form Factor
          Candybar Candybar
          Dimension
          116 x 62 x 11.5 mm
          (4.57 x 2.44 x 0.45 in)
          118.5 x 62.5 x 12.8 mm
          (4.67 x 2.46 x 0.5 in)
          Weight
          93.8 g (3.28.0.28 oz) 118 g (4.16 oz)
          2G Network
          GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 / 2100 - SIM 1 & SIM 2
          3G Network
          HSDPA 2100 - SIM 1 only HSDPA 900 / 2100 - SIM 1 Only
          Messaging
          SMS, MMS, EMail, IM SMS, MMS, EMail, IM

          Hardware and OS

          OS
          Android OS, v2.3.5 (Gingerbread) Android OS, v2.3.7 (Gingerbread)
          Processor
          1 GHz [Similar] 832 MHz, brcm_21552 [Similar]
          GPU
          Adreno 200 [Similar] -
          RAM
          512 MB [Browse Similar] 256 MB [Browse Similar]
          Internal Memory
          N/A 512 MB ROM
          External Memory
          microSD, up to 32 GB microSD, up to 32 GB

          Display

          Type
          TFT capacitive touchscreen TFT capacitive touchscreen
          Colors
          256K colors 262K colors
          Size
          3.5 inches [Similar] 3.5 inches [Similar]
          Resolution
          320 x 480 pixels (165 ppi) 320 x 480 pixels (165 ppi)
          Screen-to-Body Ratio
          50.61% 49.15%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          3.15 MP, 2048x1536 pixels [Similar] 2 MP, 1600x1200 pixels [Similar]
          Flash
          No No
          Features
          Geo-tagging -
          Video
          Yes Yes, 640 x 480
          Front Camera
          No [Similar] Yes, 0.3 MP [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          FM radio Stereo 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 Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
          Edge
          Class 12 Yes
          3G
          HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA
          Bluetooth
          Yes, v2.0 Yes, v3.0 with A2DP
          Wi-Fi
          Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
          USB
          Yes, microUSB v2.0 Yes, microUSB v2.0
          GPS
          Yes Yes, with A-GPS support
          Browser
          HTML HTML

          User Memory

          Internal
          512 MB RAM, 256 MB ROM 512 MB ROM, 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 not 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
          1400 mAh 1500 mAh
          Stand by
          Up to 145 h Up to 140 h
          Talk Time
          Up to 4 h Up to 4 h 30 min

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