Samsung Galaxy Ace 4 vs Nokia Lumia 638

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          General Info

          Manufacturer
          Samsung Nokia
          Announced
          June 2014 December 2014
          Status
          Available - July 2014 Available - December 2014
          Price
          - Rs. 7,999 ($117.63) [Similarly Priced]
          Colors
          Iris Charcoal, Classic White Black
          Form Factor
          Candybar Candybar
          Dimension
          121.4 x 62.9 x 10.8 mm
          (4.78 x 2.48 x 0.43 in)
          129.5 x 66.7 x 9.2 mm
          (5.1 x 2.63 x 0.36 in)
          Weight
          123.8 g (4.34.0.28 oz) 136 g (4.8 oz)
          2G Network
          GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
          3G Network
          HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
          4G Network
          - LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

          Hardware and OS

          OS
          Android OS, v4.4.2 (KitKat) Microsoft Windows Phone 8.1
          Processor
          Dual-core 1.0 GHz [Similar] Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar]
          GPU
          - Adreno 305 [Similar]
          RAM
          512 MB [Browse Similar] 1 GB [Browse Similar]
          Internal Memory
          4 GB 8 GB
          External Memory
          microSD, up to 64 GB microSD, up to 128 GB

          Display

          Type
          TFT capacitive touchscreen IPS LCD capacitive touchscreen, Corning Gorilla Glass 3, ClearBlack Display
          Colors
          16M colors 16M colors
          Size
          4.0 inches [Similar] 4.5 inches [Similar]
          Resolution
          480 x 800 pixels (233 ppi) [Similar] 480 x 854 pixels (218 ppi) [Similar]
          Screen-to-Body Ratio
          59.76% 64.43%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          5 MP, 2592 х 1944 pixels [Similar] 5 MP, 2592 х 1944 pixels [Similar]
          Flash
          LED flash No
          Features
          Auto focus, Geo-tagging, Face And Smile Detection, Panorama Auto focus, 1/4
          Video
          Yes, 720p@30fps Yes
          Front Camera
          Yes, VGA [Similar] No [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 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 v4.0, A2DP, LE/ apt-X after WP8 Denim update
          Wi-Fi
          Wi-Fi 802.11 b/g/n, Wi-Fi Direct, 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
          Browser
          HTML5 HTML5

          User Memory

          Internal
          4 GB, 512 MB 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 not 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 (BL-5H)
          Capacity
          1500 mAh 1830 mAh
          Stand by
          - -
          Talk Time
          - -

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