Samsung Galaxy Axiom R830 vs Karbonn A21

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          General Info

          Manufacturer
          Samsung Karbonn
          Announced
          November 2012 2012
          Status
          Released - November 2012 Available
          Colors
          Blue Pearl White
          Form Factor
          Candybar Candybar
          Dimension
          121.7 x 63.8 x 11.9 mm
          (4.79 x 2.51 x 0.47 in)
          -
          Weight
          136.1 g (4.8.0.04 oz) -
          2G Network
          CDMA 800 / 1700 / 1900 / 2100 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
          3G Network
          CDMA2000 1xEV-DO HSDPA 2100
          4G Network
          LTE 700 MHz Class 17 / 850 / 1700 / 1900 / 2100 -
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich)
          Processor
          Dual-core 1.2 GHz Krait, Qualcomm [Similar] Dual-core 1.2 GHz [Similar]
          GPU
          - -
          RAM
          1 GB [Browse Similar] 512 MB [Browse Similar]
          Internal Memory
          4 GB ROM (1.85 GB user available) 4 GB
          External Memory
          microSD, up to 32 GB microSD, up to 32 GB

          Display

          Type
          TFT capacitive touchscreen TFT capacitive touchscreen
          Colors
          16M colors 256K colors
          Size
          4.0 inches [Similar] 4.5 inches [Similar]
          Resolution
          480 x 800 pixels (233 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
          Screen-to-Body Ratio
          58.77% -
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          5 MP, 2592x1944 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Face Detection
          Video
          Yes, 720p Yes
          Front Camera
          Yes, 1.3 MP [Similar] Yes, 1.3 MP [Similar]

          Multimedia

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

          Connectivity and Data Rate

          GPRS
          No Yes
          Edge
          No Yes
          3G
          EV-DO Rev. A, up to 3.1 Mbps; LTE HSDPA, 7.2 Mbps
          Bluetooth
          Yes, v4.0 with A2DP Yes, v2.1 with A2DP
          Wi-Fi
          Wi-Fi 802.11 b/g/n, DLNA, 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
          HTML5 HTML

          User Memory

          Internal
          4 GB ROM (1.85 GB user available), 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 supported NFC not supported

          Battery

          Type
          Standard battery, Li-Ion Li-Ion Battery
          Capacity
          2100 mAh 1800 mAh
          Stand by
          Up to 252 h Up to 200 h
          Talk Time
          Up to 8 h Up to 5 h

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