Sony Xperia TX vs Karbonn A21

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          General Info

          Manufacturer
          Sony Karbonn
          Announced
          August 2012 2012
          Status
          Available - October 2012 Available
          Colors
          Black, White, Pink Pearl White
          Form Factor
          Candybar Candybar
          Dimension
          131 x 68.6 x 8.6 mm (5.16 x 2.70 x 0.34 in)
          (5.16 x 2.7 x 0.34 in (0.2 x 0.11 x 0.01 in))
          -
          Weight
          127 g (4.48 oz) (4.48 oz (0.14.1.69 oz)) -
          2G Network
          GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
          3G Network
          HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 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), planned upgrade to v4.1 Android OS, v4.0 (Ice Cream Sandwich)
          Processor
          Dual-core 1.5 GHz Krait, Qualcomm MSM8260A Snapdragon [Similar] Dual-core 1.2 GHz [Similar]
          GPU
          Adreno 225 [Similar] -
          RAM
          1 GB [Browse Similar] 512 MB [Browse Similar]
          Internal Memory
          16 GB 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
          4.55 inches [Similar] 4.5 inches [Similar]
          Resolution
          720 x 1280 pixels (323 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
          Screen-to-Body Ratio
          63.42% -
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          13 MP, 4128x3096 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Auto focus, Geo-tagging, Touch Focus, Face Detection, 3D Sweep Panorama, Image Stabilization Auto focus, Geo-tagging, Face Detection
          Video
          Yes, 1080p@30fps, continuous autofocus, video light, video stabilizer Yes
          Front Camera
          Yes, 1.3 MP, 720p@30fps [Similar] Yes, 1.3 MP [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          Stereo FM radio with RDS No
          Games
          Yes + Downloadable Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Up to 86 kbps Yes
          Edge
          Up to 237 kbps Yes
          3G
          HSDPA, 42 Mbps; HSUPA, 5.8 Mbps HSDPA, 7.2 Mbps
          Bluetooth
          Yes, v3.1 with A2DP Yes, v2.1 with A2DP
          Wi-Fi
          Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
          USB
          Yes, microUSB (MHL) v2.0 Yes, microUSB v2.0
          GPS
          Yes, with A-GPS support and GLONASS Yes, with A-GPS support
          Browser
          HTML5 HTML

          User Memory

          Internal
          16 GB, 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
          1750 mAh 1800 mAh
          Stand by
          Up to 300 h (2G)
          Up to 400 h (3G)
          Up to 200 h
          Talk Time
          Up to 6 h 40 min (2G)
          Up to 6 h 40 min (3G)
          Up to 5 h

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