Oppo A3 vs Oppo A57

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          General Info

          Manufacturer
          Oppo Oppo
          Announced
          April 2018 November 2016
          Status
          Coming Soon - May 2018 Available - January 2017
          Price
          Rs. 21,000 ($315.00) [Similarly Priced] Rs. 14,990 ($240.00) [Similarly Priced]
          Colors
          Knight Black, Soybean Meal, Stardust Silver, Garnet Red Gold, Rose Gold
          Form Factor
          Candybar Candybar
          Dimension
          156 x 75.3 x 7.8 mm
          (6.14 x 2.96 x 0.31 in)
          149.1 x 72.9 x 7.65 mm
          (5.87 x 2.87 x 0.3 in)
          Weight
          159 g (5.61 oz) 147 g (5.19 oz)
          SIM Type
          Dual SIM (Nano-SIM, dual stand-by) Dual-SIM
          2G Network
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
          CDMA 800 & TD-SCDMA
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
          CDMA2000 1xEV-DO - A59m
          3G Network
          HSDPA 850 / 900 / 1900 / 2100
          HSDPA 850 / 1700(AWS) / 1900 / 2100
          HSDPA 850 / 900 / 1900 / 2100
          4G Network
          LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
          Messaging
          SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail
          Build Features
          - - Fingerprint Sensor
          - Metal Build
          - 2.5D Curved Glass
          Notification LED
          - Yes

          Hardware and OS

          OS
          Android 8.1 (Oreo) Android OS, v6.0 (Marshmallow)
          User Interface
          - ColorOS 3.0
          Processor
          Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53), Mediatek Helio P60 [Similar] Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 [Similar]
          GPU
          Mali-G72 MP3 [Similar] Adreno 505 [Similar]
          RAM
          4 GB [Browse Similar] 3 GB [Browse Similar]
          Internal Memory
          128 GB 32 GB
          External Memory
          microSD, up to 256 GB (dedicated slot) microSD, up to 128 GB (uses SIM 2 slot)

          Display

          Type
          LTPS IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen
          Colors
          16M colors 16M colors
          Size
          6.2 inches [Similar] 5.2 inches [Similar]
          Resolution
          1080 x 2280 pixels (407 ppi) 720 x 1280 pixels (282 ppi) [Similar]
          Screen-to-Body Ratio
          81.64% 68.79%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          16 MP (f/1.8) [Similar] 13 MP [Similar]
          Flash
          LED Flash LED Flash
          Features
          Phase Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
          Video
          1080p@30fps 1080p@30fps
          Front Camera
          8 MP (f/2.2) [Similar] 16 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 Yes
          3G
          HSPA, LTE HSPA, LTE, VoLTE
          Bluetooth
          4.2, A2DP, LE v4.1, A2DP
          Wi-Fi
          Wi-Fi 802.11 b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n, hotspot
          USB
          microUSB 2.0, USB On-The-Go microUSB v2.0, USB Host
          GPS
          Yes, with A-GPS Yes, with A-GPS
          Browser
          HTML5 HTML5

          User Memory

          Internal
          128 GB, 4 GB RAM 32 GB, 3 GB RAM
          Expandable Storage
          microSD, up to 256 GB (dedicated slot) microSD, up to 128 GB (uses SIM 2 slot)
          USB OTG
          Supported Supported

          Sensors

          Fingerprint
          fingerprint not supported fingerprint supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          Light Sensor
          light sensor present light sensor present
          Magnetic-field Sensor (Compass)
          magnetic field sensor present magnetic field sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Non-removable Li-Ion Battery Non-removable Li-Ion Battery
          Capacity
          3400 mAh 2900 mAh
          Stand by
          - -
          Talk Time
          - -

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