Nokia Lumia 638 vs Nokia Lumia 525

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          General Info

          Manufacturer
          Nokia Nokia
          Announced
          December 2014 November 2013
          Status
          Available - December 2014 Available - January 2014
          Price
          Rs. 7,999 ($117.63) [Similarly Priced] -
          Colors
          Black Yellow, orange, white, black
          Form Factor
          Candybar Candybar
          Dimension
          129.5 x 66.7 x 9.2 mm
          (5.1 x 2.63 x 0.36 in)
          119.9 x 64 x 9.9 mm
          (4.72 x 2.52 x 0.39 in)
          Weight
          136 g (4.8 oz) 124 g (4.37 oz)
          2G Network
          GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
          3G Network
          HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
          HSDPA 850 / 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
          Build Features
          - Super sensitive touch for finger nail and glove use, Changeable backcover

          Hardware and OS

          OS
          Microsoft Windows Phone 8.1 Microsoft Windows Phone 8
          Processor
          Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 [Similar]
          GPU
          Adreno 305 [Similar] Adreno 305 [Similar]
          RAM
          1 GB [Browse Similar] 1 GB [Browse Similar]
          Internal Memory
          8 GB 8 GB ROM
          External Memory
          microSD, up to 128 GB microSD, up to 64 GB

          Display

          Type
          IPS LCD capacitive touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD Capacitive Touchscreen, 2D Hardened Glass
          Colors
          16M colors 16M colors
          Size
          4.5 inches [Similar] 4.0 inches [Similar]
          Resolution
          480 x 854 pixels (218 ppi) [Similar] 480 x 800 pixels (233 ppi) [Similar]
          Screen-to-Body Ratio
          64.43% 59.47%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          5 MP, 2592 х 1944 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
          Flash
          No No
          Features
          Auto focus, 1/4 Auto focus, Geo-tagging, Touch Focus, Face Detection, Nokia Smart Camera, Cinemagraph lens, Panorama lens, Bing vision
          Video
          Yes Yes, 720p@30fps
          Front Camera
          No [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
          HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
          Bluetooth
          v4.0, A2DP, LE/ apt-X after WP8 Denim update Yes, v4.0 with A2DP
          Wi-Fi
          Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n
          USB
          microUSB v2.0 Yes, microUSB v2.0
          GPS
          Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS
          Browser
          HTML5 HTML5

          User Memory

          Internal
          8 GB, 1 GB RAM 8 GB ROM, 1 GB RAM
          Expandable Storage
          microSD, up to 128 GB microSD, up to 64 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 (BL-5H) Li-Ion Battery
          Capacity
          1830 mAh 1430 mAh
          Stand by
          - Up to 336 h
          Talk Time
          - Up to 16 h 54 min (2G)
          Up to 10 h 36 min (3G)

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