Acer Liquid Gallant Duo vs Karbonn A21

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          General Info

          Manufacturer
          Acer Karbonn
          Announced
          July 2012 2012
          Status
          Available - September 2012 Available
          Colors
          Black, White Pearl White
          Form Factor
          Candybar Candybar
          Dimension
          129 x 65.9 x 9.9 mm
          (5.08 x 2.59 x 0.39 in)
          -
          Weight
          145 g (5.11 oz) -
          2G Network
          GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
          3G Network
          HSDPA 900 / 2100 HSDPA 2100
          Messaging
          SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich)
          Processor
          Dual-core, MTK 6575 Dual-core 1.2 GHz [Similar]
          GPU
          - -
          RAM
          1 GB [Browse Similar] 512 MB [Browse Similar]
          Internal Memory
          4 GB storage 4 GB
          External Memory
          microSD, up to 32 GB microSD, up to 32 GB

          Display

          Type
          Capacitive touchscreen TFT capacitive touchscreen
          Colors
          16M colors 256K colors
          Size
          4.3 inches [Similar] 4.5 inches [Similar]
          Resolution
          540 x 960 pixels (256 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
          Screen-to-Body Ratio
          60.03% -
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          5 MP, 2592 x 1944 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Auto focus, Geo-tagging Auto focus, Geo-tagging, Face Detection
          Video
          Yes Yes
          Front Camera
           N/A [Similar] Yes, 1.3 MP [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          FM Radio No
          Games
          Yes + Downloadable Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Yes Yes
          Edge
          Yes Yes
          3G
          HSDPA, HSUPA HSDPA, 7.2 Mbps
          Bluetooth
          Yes, with A2DP, EDR Yes, v2.1 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, with A-GPS support Yes, with A-GPS support
          Browser
          HTML HTML

          User Memory

          Internal
          4 GB storage, 1 GB RAM 4 GB, 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
          Standard battery, Li-Ion Li-Ion Battery
          Capacity
          1500 mAh 1800 mAh
          Stand by
          - Up to 200 h
          Talk Time
          - Up to 5 h

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