Samsung Galaxy S8 vs Xiaomi Redmi K40

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          Price Comparison (India)

          General Info

          Manufacturer
          Samsung Xiaomi
          Announced
          March 2017 2021, February 25
          Status
          Available - April 2017 Coming soon. Exp. release 2021, March
          Price
          Rs. 57,900 ($720.00) [Similarly Priced] -
          Colors
          Black, White, Gold, Silver, Pink Gold Black, White, Aurora
          Form Factor
          Candybar Candybar
          Dimension
          148.9 x 68.1 x 8 mm
          (5.86 x 2.68 x 0.31 in)
          163.7 x 76.4 x 7.8 mm
          (6.44 x 3.01 x 0.31 in)
          Weight
          155 g (5.47 oz) 196 g (6.91 oz)
          SIM Type
          Dual-SIM Dual SIM (Nano-SIM, dual stand-by)
          2G Network
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
          3G Network
          HSDPA HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
          4G Network
          LTE 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
          5G Network
          - 1, 3, 28, 38, 41, 77, 78 SA/NSA
          Messaging
          SMS, MMS, EMail, IM
          Build Features
          - - Fingerprint Sensor (side-mounted)
          Notification LED
          Yes -

          Hardware and OS

          OS
          Android OS, v7.0 (Nougat) Android 11
          User Interface
          - MIUI 12
          Processor
          Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo)
          Octa-core (4x2.3 GHz & 4x1.7 GHz), Qualcomm MSM8998 Snapdragon 835
          Exynos 8895 Octa [Similar]
          Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) [Similar]
          GPU
          Adreno 540 [Similar] Adreno 650 [Similar]
          RAM
          4 GB [Browse Similar] 12 GB [Browse Similar]
          Internal Memory
          64 GB 256 GB
          External Memory
          microSD, up to 256 GB (dedicated slot) No

          Display

          Type
          Super AMOLED capacitive touchscreen, Gorilla Glass 5 FHD+ IPS LCD Screen
          144Hz Refresh Rate
          HDR10
          Corning Gorilla Glass
          Colors
          16M colors 16M Colour
          Size
          5.8 inches [Similar] 6.67 inches [Similar]
          Resolution
          1440 x 2960 pixels (568 ppi) 1080 x 2400 pixels (395 ppi)
          Screen-to-Body Ratio
          84.06% 85.70%
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          12 MP [Similar] 48 MP + 8 MP + 5 MP [Similar]
          Flash
          Dual-LED (Dual Tone) LED Flash
          Features
          Phase Detection Autofocus, OIS, f/1.7 aperture, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF
          8 MP, 119˚ (ultrawide)
          5 MP, 50mm (macro), 1/5.0", 1.12µm
          HDR, panorama
          Video
          2160p@60fps, 1080p@120fps, HDR, dual-video rec. 4K@30fps, 1080p@30/60/120fps; gyro-EIS
          Front Camera
          8 MP, AF [Similar] 20 MP, f/2.0, (wide), 1/3", 0.9µm
          HDR
          1080p@30fps, 720p@120fps [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack no
          Radio
          No No
          Games
          Yes + Downloadable Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker

          Connectivity and Data Rate

          GPRS
          Yes Yes
          Edge
          Yes Yes
          3G
          HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE-A, 5G
          Bluetooth
          v4.2, A2DP, LE, aptX 5.1, A2DP, LE, aptX HD
          Wi-Fi
          Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
          USB
          v3.1, Type-C 1.0 reversible connector USB Type-C 2.0, USB On-The-Go
          GPS
          Yes, with A-GPS, GLONASS, BDS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
          Browser
          HTML5 Yes

          User Memory

          Internal
          64 GB, 4 GB RAM 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
          Expandable Storage
          microSD, up to 256 GB (dedicated slot) No
          USB OTG
          Supported Supported

          Sensors

          Fingerprint
          fingerprint supported fingerprint supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          Magnetic-field Sensor (Compass)
          magnetic field sensor present magnetic field sensor present
          Gyroscope Sensor
          gyroscope sensor present gyroscope sensor present
          Barometer Sensor
          barometer sensor present barometer sensor not present
          Heart-rate Sensor
          heart rate sensor present heart rate sensor not present
          NFC
          NFC supported NFC supported

          Battery

          Type
          Non-removable Li-Ion battery Non-removable Li-Po Battery
          Fast battery charging 33W, 100% in 52 min (advertised)
          Power Delivery 3.0
          Quick Charge 3+
          Capacity
          3000 mAh 4520 mAh
          Stand by
          - -
          Talk Time
          - -

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