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  3. Samsung Galaxy S9 vs Samsung Galaxy J7 Duo vs Samsung Galaxy J8

Samsung Galaxy S9 vs Samsung Galaxy J7 Duo vs Samsung Galaxy J8

Launch

  • Announced
    2018, February 2018, April 2018, May
  • Status
    Available. Released 2018, March Available. Released 2018, April Available. Released 2018, July

Network

  • Technology
    GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE GSM / HSPA / LTE
  • 2G bands It’s the 2nd generation mobile data communication technology.
    GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
    CDMA 800 / 1900 - USA
    GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
    GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 3G bands It is the 3rd generation mobile data communication technology.
    HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA
    CDMA2000 1xEV-DO - USA
    HSDPA 850 / 900 / 1900 / 2100
    HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  • 4G bands It is the 4th generation mobile data communication technology.
    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), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - Global
    LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 46, 66(1700/2100), 71(600) - USA
    LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
    LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) - J810Y/DS
  • Speed
    HSPA 42.2/5.76 Mbps, LTE-A (6CA) Cat18 1200/200 Mbps
    HSPA, LTE Cat4 150/50 Mbps
    HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
  • GPRS GPRS (General Packet Radio Service) is a packet-switching technology that enables data transfers through cellular networks.
  • EDGE EDGE (also known as Enhanced GPRS or EGPRS) is a data system used on top of GSM networks.

Body

  • Dimensions It's the size of the phone in format (H x L x W) and the volume of the phone where available.
    147.7 x 68.7 x 8.5 mm (5.81 x 2.70 x 0.33 in) 153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in) 159.2 x 75.7 x 8.2 mm (6.27 x 2.98 x 0.32 in)
  • Weight
    163 g (5.75 oz) 174 g (6.14 oz) 177 g (6.24 oz)
  • Build Describes the construction materials, methods and finishes used by the manufacturer when building a phone.
    Front/back glass (Gorilla Glass 5), aluminum frame Plastic body
  • SIM A subscriber identity module or subscriber identification module, widely known as a SIM Card.
    Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
    - Samsung Pay (Visa, MasterCard certified)
    - IP68 dust/water proof (up to 1.5m for 30 mins)
    Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)

Display

  • Type
    Super AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
  • Size
    5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio) 6.0 inches, 91.4 cm2 (~75.8% screen-to-body ratio)
  • Resolution Display Resolution is the measuring way of how much pixels does a display contain.
    1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density) 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 720 x 1480 pixels, 18.5:9 ratio (~274 ppi density)
  • Multitouch Multi-touch refers to the capability of a touchscreen (or a touchpad) to recognize two or more points of contact on the surface concurrently.
  • Protection
    Corning Gorilla Glass 5
    HDR10 compliant
    3D Touch (home button only)
    Always-on display

Platform

  • OS Operating System (OS) is the basic structural software which helps other application software to install/run/execute on it.
    Android 8.0 (Oreo) Android 8.0 (Oreo) Android 8.0 (Oreo)
  • Chipset It's the mobile system, a chipset is a set of electronic components in an integrated circuit.
    Exynos 9810 Octa (10 nm) - EMEA
    Qualcomm SDM845 Snapdragon 845 (10 nm) - USA/LATAM, China
    Exynos 7885 Octa (14 nm)
    Qualcomm SDM450 Snapdragon 450 (14 nm)
  • CPU CPU (Central Processing Unit) - otherwise known as a processor is an electronic circuit that can execute mobile phone programs.
    Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEA
    Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
    Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
    Octa-core 1.6 GHz Cortex-A53
  • GPU GPU (Graphics Processing Unit) which does the graphical calculation of the processor.
    Mali-G72 MP18 - EMEA Adreno 630 - USA/LATAM, China Mali-G71 Adreno 506

Memory

  • Card slot A special slot for inserting a memory card for expand your storage.
    microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (dedicated slot)
  • Internal Internal memory is the memory available on board (chip or motherboard) which is given while manufacturing at the factory.
    64/128/256 GB 32 GB 32/64 GB
  • RAM Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.
    4 GB RAM 4 GB 3/4 GB

Camera

  • Primary camera
    12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, OIS, dual pixel PDAF
    13 MP, f/1.9, AF
    5 MP, f/1.9, depth sensor
    16 MP, f/1.7, AF
    5 MP, f/1.9, depth sensor
  • Secondary camera
    8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF
    8 MP, f/1.9
    16 MP, f/1.9
  • Features
    LED flash, auto-HDR, panorama
    LED flash, panorama, HDR
    LED flash, panorama, HDR
  • Video
    2160p@60fps, 1080p@240fps, 720p@960fps, HDR, dual-video rec.
    1080p@30fps

Sound

  • Alert types
    Vibration; MP3, WAV ringtones Vibration, MP3, WAV ringtones Vibration, MP3, WAV ringtones
  • Loudspeaker Loudspeaker is a small sound driver fitted within a mobile phone, which is used to produce sound.
    Yes, with stereo speakers Yes Yes
  • 3.5mm jack A common connector for plugging in audio output or input.
    Yes
    - 32-bit/384kHz audio
    - Active noise cancellation with dedicated mic
    Yes Yes

Connectivity

  • WLAN Wireless Local Area Network (WLAN) is a method of distributing data wirelessly to a local area network practically to the internet.
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
    Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
  • Bluetooth Bluetooth is a wireless technology standard for exchanging data over short distances from fixed and mobile devices.
    5.0, A2DP, LE, aptX 4.2, A2DP, LE 4.2, A2DP, LE
  • GPS GPS (Global Positioning System) originally Navstar GPS, is a satellite-based radionavigation system.
    Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
  • NFC NFC (Near Field Communication) is a shorter range high-frequency data transferring technology.
  • FM radio FM broadcasting is a method of radio broadcasting using frequency modulation technology.
  • USB USB is a standard for a wired connection between two electronic devices, including a mobile phone and a desktop computer.
    3.1, Type-C 1.0 reversible connector Yes microUSB 2.0, USB On-The-Go
  • Infrared port IrDA (Infrared Data Association) is an old data sharing technology in the means of Infrared Port.

Features

  • Sensors A sensor is a device, module, or subsystem whose purpose is to detect events or changes in its environment and send the information to other electronics.
    Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 Fingerprint- (front-mounted), accelerometer, proximity
    Fingerprint -(rear-mounted), accelerometer, proximity
  • Messaging SMS (short message service) is a text messaging service component of most telephone, internet, and mobile-device systems.
    SMS(threaded view), MMS, Email, Push Email, IM SMS(threaded view), MMS, Email, Push Email, IM SMS(threaded view), MMS, Email, Push Email, IM
  • Browser A web browser is a software application for accessing information on the world wide web.
    HTML5 HTML5 HTML5
  • Java JAVA is a Runtime Environment or platform of application where particular apps can run it.

Battery

  • Battery type A Lithium Polymer (Li-Po) battery has a polymer cathode and a solid electrolyte, while Lithium Ion (Li-Ion) has a carbon cathode and a liquid electrolyte.
    Non-removable Li-Ion Non-removable Li-Ion Non-removable Li-Ion
  • Battery capacity The unit of capacity is milliamp hours (mAh), which means 3000mAh can be put on the battery to discharge it in one hour.
    3000 mAh battery (11.55 Wh) 3000 mAh battery 3500 mAh battery
  • Talk time
    Up to 23 h (3G)
  • Music play
    Up to 112 h

More

  • Made by
    Koria Koria KORIA
  • Color
    Midnight Black, Coral Blue, Titanium Gray, Lilac Purple, Burgundy Red, Sunrise Gold Black, Gold, Rose Gold, White Black, Gold, Blue, Purple
  • Other Features
    - Samsung DeX (desktop experience support)
    - Fast battery charging (Quick Charge 2.0)
    - Qi/PMA wireless charging (market dependent)
    - ANT+ support
    - Bixby natural language commands and dictation
    - MP4/DivX/XviD/H.265 player
    - MP3/WAV/eAAC+/FLAC player
    - Photo/video editor
    - Document editor
    ANT+ support
    MP4/WMV/H.264 player
    MP3/WAV/WMA/eAAC+/FLAC player
    Photo/video editor
    Document viewer
    MP4/H.264 player
    - MP3/WAV/eAAC+/FLAC player
    - Photo/video editor
    - Document viewer

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