Micromax Bolt A61 vs Celkon A66

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          General Info

          Manufacturer
          Micromax Celkon
          Announced
          November 2013 October 2013
          Status
          Available - November 2013 Available - October 2013
          Colors
          Black Black
          Form Factor
          Candybar Candybar
          Dimension
          - 136 x 67.2 x 11 mm
          (5.35 x 2.65 x 0.43 in)
          Weight
          - 98 g (3.46 oz)
          2G Network
          GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
          3G Network
          HSDPA 2100 - SIM 1 only No
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.1 (Jelly Bean) Android OS, v4.1.2 (Jelly Bean)
          Processor
          1 GHz, Spreadtrum SC7710 [Similar] Dual-core 1.2 GHz, MTK 6572 [Similar]
          GPU
          - Mali-400 [Similar]
          RAM
          256 MB [Browse Similar] 512 MB [Browse Similar]
          Internal Memory
          512 MB (135 MB for Apps) 4 GB ROM
          External Memory
          microSD, up to 16 GB microSD, up to 32 GB

          Display

          Type
          TFT touchscreen TFT capacitive touchscreen
          Colors
          16M colors -
          Size
          4.0 inches [Similar] 4.5 inches [Similar]
          Resolution
          480 x 800 pixels (233 ppi) [Similar] 480 x 854 pixels (218 ppi) [Similar]
          Screen-to-Body Ratio
          - 60.89%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          2 MP, 1600x1200 pixels [Similar] 3.2 MP, 2048x1536 pixels [Similar]
          Flash
          No No
          Features
          Fixed Focus Fixed Focus, Geo-tagging
          Video
          Yes, 480p Yes, 720p
          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
          Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Class 10 (4+1/3+2 slots), 32 - 48 kbps
          Edge
          Yes Class 10, 236.8 kbps
          3G
          HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps No
          Bluetooth
          Yes, v2.1 with 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 Yes, microUSB v2.0
          GPS
          No Yes, with A-GPS support
          Browser
          HTML HTML

          User Memory

          Internal
          512 MB (135 MB for Apps), 256 MB RAM 4 GB ROM, 512 MB RAM
          Expandable Storage
          microSD, up to 16 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-Po Battery
          Capacity
          1500 mAh 2000 mAh
          Stand by
          Up to 160 h -
          Talk Time
          Up to 3 h 55 min -

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