Apple iPhone 6s vs vivo X21 UD

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          Price Comparison (India)

          General Info

          Manufacturer
          Apple vivo
          Announced
          September 2015 March 2018
          Status
          Available - September 2015 Coming Soon - March 2018
          Price
          Rs. 41,999 ($617.63) [Similarly Priced] Rs. 29,900 ($450.00) [Similarly Priced]
          Colors
          Space Gray, Silver, Gold, Rose Gold Black, Aurora White, Ruby Red
          Form Factor
          Candybar Candybar
          Dimension
          138.3 x 67.1 x 7.1 mm
          (5.44 x 2.64 x 0.28 in)
          154.5 x 74.8 x 7.4 mm
          (6.08 x 2.94 x 0.29 in)
          Weight
          143 g (5.04 oz) 156.2 g (5.5.0.07 oz)
          SIM Type
          - Hybrid Dual SIM (Nano-SIM, dual stand-by)
          2G Network
          GSM 850 / 900 / 1800 / 1900
          CDMA 800 / 1700 / 1900 / 2100
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
          CDMA 800 & TD-SCDMA
          3G Network
          HSDPA 850 / 900 / 1700 / 1900 / 2100
          CDMA2000 1xEV-DO
          HSDPA 850 / 900 / 1900 / 2100
          4G Network
          LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700) - A1688
          LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(
          LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
          SAR US
          1.14 W/kg (head)
          1.14 W/kg (body)
          - W/kg (head)
          - W/kg (body)
          SAR EU
          0.87 W/kg (head)
          0.98 W/kg (body)
          - W/kg (head)
          - W/kg (body)
          Messaging
          SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail
          Build Features
          - Fingerprint sensor (TouchID v2)
          - 3D Touch display
          - Apple Pay (Visa, MasterCard, AMEX certified)
          - Fingerprint Sensor
          Notification LED
          - Yes

          Hardware and OS

          OS
          iOS 9 Android 8.1 (Oreo)
          User Interface
          - FunTouch OS 4.0
          Processor
          2 GHz Dual-core, Apple A9 [Similar] Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 [Similar]
          GPU
          - Adreno 512 [Similar]
          RAM
          2 GB [Browse Similar] 6 GB [Browse Similar]
          Internal Memory
          16/64/128 GB 128 GB
          External Memory
          No microSD, up to 256 GB (uses SIM 2 slot)

          Display

          Type
          LED-backlit IPS LCD, Capacitive Touchscreen, Ion-Strengthened Glass, Oleophobic Coating Super AMOLED Capacitive Touchscreen
          Colors
          16M colors 16M colors
          Size
          4.7 inches [Similar] 6.28 inches [Similar]
          Resolution
          750 x 1334 pixels (326 ppi) 1080 x 2280 pixels (402 ppi)
          Screen-to-Body Ratio
          65.45% 85.06%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          12 MP, 4608 x 2592 pixels [Similar] Dual 12 MP + 5 MP [Similar]
          Flash
          Real-tone Flash LED Flash
          Features
          Phase-Detection AutoFocus, Geo-tagging, Simultaneous HD Video And Image Recording, Touch Focus, Face/smile Detection, HDR (Photo/Panorama) Phase Detection Autofocus, f/1.8 + f/2.4 aperture, Dual Pixel PDAF, 1/2.5", 1.4 µm, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
          Video
          2160p@30fps, 1080p@60fps, 720p@240fps 1080p@30fps
          Front Camera
          5 MP, 1080p@30fps, 720p@240fps [Similar] 12 MP, f/2.0, 1080p [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          No 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, EV-DO Rev.A 3.1 Mbps HSPA, LTE, 4G VoLTE
          Bluetooth
          v4.1, A2DP, LE 5.0, A2DP, LE
          Wi-Fi
          Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
          USB
          v2.0, reversible connector microUSB 2.0, USB On-The-Go
          GPS
          Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
          Browser
          HTML5 (Safari) HTML5

          User Memory

          Internal
          16/64/128 GB, 2 GB RAM 128 GB, 6 GB RAM
          Expandable Storage
          No microSD, up to 256 GB (uses SIM 2 slot)
          USB OTG
          - Supported

          Sensors

          Fingerprint
          fingerprint supported fingerprint supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          NFC
          NFC supported NFC not supported

          Battery

          Type
          Non-removable Li-Po Battery (6.9 Wh) Non-removable Li-Ion Battery
          Capacity
          1715 mAh 3200 mAh
          Stand by
          Up to 240 h (3G) -
          Talk Time
          Up to 14 h (3G) -

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