Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 540 Dual SIM

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          General Info

          Manufacturer
          Microsoft Microsoft
          Announced
          March 2015 April 2015
          Status
          Available - April 2015 Available - May 2015
          Price
          Rs. 8,999 ($132.34) [Similarly Priced] Rs. 8,100 ($119.12) [Similarly Priced]
          Colors
          Yes Orange, white, black, cyan
          Form Factor
          Candybar Candybar
          Dimension
          141.3 x 72.2 x 8.8 mm
          (5.56 x 2.84 x 0.35 in)
          144 x 73.7 x 9.4 mm
          (5.67 x 2.9 x 0.37 in)
          Weight
          145 g (5.11 oz) 152 g (5.36 oz)
          2G Network
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
          3G Network
          HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows Phone 8.1 with Lumia Denim
          Processor
          Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 200 [Similar]
          GPU
          Adreno 305 [Similar] Adreno 302 [Similar]
          RAM
          1 GB [Browse Similar] 1 GB [Browse Similar]
          Internal Memory
          8 GB 8 GB
          External Memory
          microSD, up to 128 GB microSD, up to 128 GB

          Display

          Type
          IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3
          Colors
          16M colors 16M colors
          Size
          5.0 inches [Similar] 5.0 inches [Similar]
          Resolution
          720 x 1280 pixels (294 ppi) [Similar] 720 x 1280 pixels (294 ppi) [Similar]
          Screen-to-Body Ratio
          67.43% 64.82%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          8 MP, 3264 x 2448 pixels [Similar] 8 MP, 3264 x 2448 pixels [Similar]
          Flash
          LED flash LED flash
          Features
          Auto focus, 1/4'' Sensor Size Auto focus, Sensor size: 1/4 inch, f/2.2 aperture
          Video
          1080p@30fps 480p@30fps
          Front Camera
          1 MP, 720p [Similar] 5 MP [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
          Yes Yes
          Edge
          Yes Up to 236 kbps
          3G
          HSPA 42.2/5.76 Mbps HSPA 42.2/5.76 Mbps
          Bluetooth
          v4.0, A2DP v4.0, A2DP
          Wi-Fi
          Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
          USB
          microUSB v2.0 microUSB v2.0
          GPS
          Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
          Browser
          HTML5 HTML5

          User Memory

          Internal
          8 GB, 1 GB RAM 8 GB, 1 GB RAM
          Expandable Storage
          microSD, up to 128 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 not supported

          Battery

          Type
          Li-Ion Battery Li-Ion Battery
          Capacity
          2500 mAh 2200 mAh
          Stand by
          Up to 840 h (2G)
          Up to 840 h (3G)
          Up to 576 h
          Talk Time
          Up to 27 h 30 min (2G)
          Up to 20 h 30 min (3G)
          Up to 26.2 h (2G)
          Up to 14.8 h (3G)

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