Samsung Galaxy Grand Duos I9082 vs Microsoft Lumia 640 LTE

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          General Info

          Manufacturer
          Samsung Microsoft
          Announced
          December 2012 March 2015
          Status
          Available - January 2013 Available - April 2015
          Price
          - Rs. 7,999 ($117.63) [Similarly Priced]
          Colors
          Black, White Yes
          Form Factor
          Candybar Candybar
          Dimension
          143.5 x 76.9 x 9.6 mm
          (5.65 x 3.03 x 0.38 in)
          141.3 x 72.2 x 8.8 mm
          (5.56 x 2.84 x 0.35 in)
          Weight
          162 g (5.71 oz) 145 g (5.11 oz)
          2G Network
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
          3G Network
          HSDPA 850 / 1900 / 2100 - SIM 1 only
          HSDPA 900 / 1900 / 2100 - SIM 1 only
          HSDPA 850 / 900 / 2100
          4G Network
          - LTE
          Messaging
          SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.1.2 (Jelly Bean) Microsoft Windows Phone 8.1 with Lumia Denim
          Processor
          Dual-core 1.2 GHz Cortex-A9, Broadcom [Similar] Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar]
          GPU
          Broadcom VideoCore IV [Similar] Adreno 305 [Similar]
          RAM
          1 GB [Browse Similar] 1 GB [Browse Similar]
          Internal Memory
          8 GB 8 GB
          External Memory
          microSD, up to 64 GB microSD, up to 128 GB

          Display

          Type
          Capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
          Colors
          16M colors 16M colors
          Size
          5.0 inches [Similar] 5.0 inches [Similar]
          Resolution
          480 x 800 pixels (187 ppi) [Similar] 720 x 1280 pixels (294 ppi) [Similar]
          Screen-to-Body Ratio
          64.20% 67.43%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          8 MP, 3264x2448 pixels [Similar] 8 MP, 3264 x 2448 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, 1/4'' Sensor Size
          Video
          Yes, 1080p@30fps 1080p@30fps
          Front Camera
          Yes, 2 MP [Similar] 1 MP, 720p [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          Stereo FM radio with RDS FM radio
          Games
          Yes + Downloadable Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Yes Yes
          Edge
          Yes Yes
          3G
          HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
          Bluetooth
          Yes, v4.0 with A2DP, LE, EDR v4.0, A2DP
          Wi-Fi
          Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
          USB
          Yes, microUSB v2.0 microUSB v2.0
          GPS
          Yes, with A-GPS, support and GLONASS Yes, with A-GPS, GLONASS, Beidou
          Browser
          HTML5 HTML5

          User Memory

          Internal
          8 GB, 1 GB RAM 8 GB, 1 GB RAM
          Expandable Storage
          microSD, up to 64 GB microSD, up to 128 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 supported

          Battery

          Type
          Standard battery, Li-Ion Li-Ion Battery
          Capacity
          2100 mAh 2500 mAh
          Stand by
          Up to 440 h Up to 864 h (2G)
          Up to 864 h (3G)
          Talk Time
          Up to 10 h 10 min Up to 26 h 30 min (2G)
          Up to 17 h 30 min (3G)

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