Celkon A66 vs Karbonn A91

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          General Info

          Manufacturer
          Celkon Karbonn
          Announced
          October 2013 January 2014
          Status
          Available - October 2013 Available - January 2014
          Colors
          Black White, Black, Pink
          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
          No No
          Messaging
          SMS, MMS, EMail, IM SMS, MMS, EMail, IM
          Build Features
          - Swipe Gesture

          Hardware and OS

          OS
          Android OS, v4.1.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
          Processor
          Dual-core 1.2 GHz, MTK 6572 [Similar] Dual-core 1.3 GHz, MTK 6572 [Similar]
          GPU
          Mali-400 [Similar] Mali-400MP [Similar]
          RAM
          512 MB [Browse Similar] 256 MB [Browse Similar]
          Internal Memory
          4 GB ROM 512 MB ROM
          External Memory
          microSD, up to 32 GB microSD, up to 32 GB

          Display

          Type
          TFT capacitive touchscreen TFT Capacitive Touchscreen
          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
          60.89% -
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          3.2 MP, 2048x1536 pixels [Similar] 3.2 MP, 2048x1536 pixels [Similar]
          Flash
          No No
          Features
          Fixed Focus, Geo-tagging Geo-tagging
          Video
          Yes, 720p 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 10 (4+1/3+2 slots), 32 - 48 kbps Yes
          Edge
          Class 10, 236.8 kbps Yes
          3G
          No No
          Bluetooth
          Yes, v2.0 A2DP, 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
          Yes, with A-GPS support No
          Browser
          HTML HTML

          User Memory

          Internal
          4 GB ROM, 512 MB RAM 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 present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Li-Po Battery Li-Ion Battery
          Capacity
          2000 mAh 1500 mAh
          Stand by
          - -
          Talk Time
          - -

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