Smartphone Rankings / Smartphones / Asus Zenfone 3 Deluxe S821

Asus Zenfone 3 Deluxe S821

  • Camera: 23 Megapixels
  • Display: 5.7 Inches
  • CPU: Quad Core 2.4 GHz + 2.0GHz
  • Operating System: Android v6.0.1 (Marshmallow)
  • RAM: 6 GB
  • Storage: 256 GB

Our Rating

The overall rating is based on review by our experts

8.9
  • Performance 9 / 10
  • Camera 10 / 10
  • Display 9 / 10
  • Design 9 / 10
  • Features 9 / 10
  • Connectivity 9 / 10
  • Usability 8 / 10
  • Battery 8 / 10

Asus Zenfone 3 Deluxe S821 or also known as Asus Zenfone 3 Deluxe S821 Dual SIM 4G has been released and available on the market. The Asus smartphone is a good Android phone with a 5.7 inches IPS LCD capacitive touchscreen display technology to support 1080 x 1920 pixels screen resolution and 386 ppi pixel density.

The Dual-SIM Unlocked version device comes with a 23 megapixels as the main camera includes autofocus, Geo-Tagging, LED flash and digital zoom as the features. At the front, packs with 8 megapixels to support video call, and for selfie.

For other key features, the Asus Zenfone 3 Deluxe S821 Dual SIM 4G model also equipped with a GPS Navigation, micro USB v3.0, wi-fi, NFC and bluetooth v4.2.

Asus Zenfone 3 Deluxe S821 – Key Features

  • Android v6.0.1 (Marshmallow)
  • 5.7 inches IPS LCD display
  • 1080 x 1920 pixels screen display
  • 23 MP main camera
  • 8 MP front camera
  • 6 GB of RAM
  • 256 GB memory
  • 4G network support
  • Bluetooth, GPS, hotspot and Wifi support
  • Dual-SIM support

Asus Zenfone 3 Deluxe S821 – Pros and Cons

  • 4G LTE network support
  • High main camera, 23 MP
  • High front camera, 8 MP
  • High battery capacity supported, 3000 mAh
  • External memory support, up to 128 GB
  • High pixel density, 386 ppi
  • LED flash feature

Asus Zenfone 3 Deluxe S821 - Specifications

General

  • Device Name
    Asus Zenfone 3 Deluxe S821
  • Also Known As
    Asus Zenfone 3 Deluxe S821 Dual SIM 4G
  • Model
    Asus S821
  • Release Date
    August, 2016
  • Status
    Available

Battery

  • Battery Technology
    Non-removable Li-Ion
  • Battery Capacity
    3000 mAh

Camera

  • Main Camera
    23 Megapixels
  • Main Camera Resolution
    5488 x 4112 pixels
  • Main Camera Features
    1/2.6" sensor size, 1 µm pixel size, f/2.0 aperture, autofocus, face detection, Geo-tagging, HDR, Dual-LED flash, panorama, phase detection, smile detection, touch to focus
  • Front Camera
    8 Megapixels
  • Front Camera Resolution
    3264 x 2448 pixels
  • Features
    Video calling

Connectivity

  • USB
    USB Type C v3.0
  • Wi-Fi
    802.11 a/b/g/n/ac, Hotspot, Wi-Fi Direct
  • Bluetooth
    v4.2, LE, A2DP
  • DLNA
    No
  • NFC
    Yes
  • GPS
    A-GPS, geo-tagging, GLONASS
  • Infrared
    Yes

Display

  • Screen Size
    5.7 inches
  • Screen Technology
    IPS LCD
  • Screen Resolution
    1080 x 1920 pixels
  • Touch Screen
    Yes
  • Screen Colors
    16 M
  • Pixel Density
    386 ppi
  • Multitouch
    Yes

Design

  • Type
    Bar
  • Dimensions
    6.16 x 3.05 x 0.30 inches/156.4 x 77.4 x 7.5 mm
  • Weight
    6.00 oz / 170 g
  • Available Color(s)
    Glacier Silver, Shimmer Gold, Titanium Gray
  • Protection
    Corning Gorilla Glass 4, Scratch-Resistant Glass

Storage

  • Internal Storage
    256 GB
  • External Storage
    microSD, up to 128 GB
  • RAM
    6 GB

Network

  • SIM Type
    Dual-SIM
  • Data Networks
    GSM/HSPA/LTE
  • 2G Network
    GSM: 850 / 900 / 1800 / 1900 - SIM1/SIM2
  • 3G Network
    HSDPA: 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
  • 4G Network
    LTE: 1(2100) / 2(1900) / 3(1800) / 4(1700/2100) / 5(850) / 7(2600) / 8(900) / 12(700) / 17(700) / 18(800) / 19(800) / 20(800) / 26(850) / 28(700) / 29(700) / 30(2300) / 38(2600) / 39(1900) / 40(2300) / 41(2500)
  • Download Speed Max
    600 Mbps
  • Upload Speed Max
    150 Mbps
  • GPRS
    Yes
  • EDGE
    Yes

Messaging & Calling

  • SMS
    Yes
  • MMS
    Yes
  • Email
    Yes
  • Push Email
    Yes
  • Call Control
    Voice commands, voice dialing, voice recorder

OS & Hardware

  • Operating System
    Android v6.0.1 (Marshmallow)
  • Chipset
    Qualcomm Snapdragon 821 MSM8996 Pro
  • CPU
    Quad Core 2.4GHz + 2.0GHz Kryo 64 bit
  • GPU
    Adreno 530
  • User Interface
    Asus ZenUI 3.0

Media

  • Video Record
    1080 x 1920 pixels (1080p)@30fps
  • Features
    Video calling
  • Video Format
    MP4, H.264, H.263
  • Audio Format
    MP3, WAV, eAAC+, FLAC
  • Audio Output
    3.5 mm jack
  • Video Output
    No

Specific Absorption Rate (SAR)

More Functions

  • Active Noise Cancellation
    Yes
  • Vibrating Alert
    Yes
  • Ringtones
    Polyphonic, WAV, MIDI and customized
  • Web Browser
    HTML, XHTML, HTML5
  • Java
    No
  • Flash Player
    No
  • Radio
    No
  • Loudspeaker
    Yes
  • Sensor
    Accelerator, ambient light, compass, fingerprint, gyroscope, hall, IR, proximity, RGB
  • Others
    Photo Editor/Viewer
    Document Editor/Viewer
    Body Materials: Aluminum Alloy
    USB OTG On-The-Go
    Computer Sync
    Tethering
    Fast Charging
    Wireless Charging
    Sony IMX318 Exmor RS Sensor Model
    PixelMaster Mode
    4K Video Recording
    ASUS SonicMaster 3.0
    NXP Smart AMP technology
    Google Drive: 100GB free space (2 years)

Asus Zenfone 3 Deluxe S821 - Reviews

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  • Rate this device

  • Is this device perform good while watching videos, playing games, taking snapshots, browsing internet and navigate through other applications?
    5
  • Usability of Camera interface, image and video quality in different light conditions and environment.
    5
  • Screen size, image quality (brightness, colors, contrast, etc), visibility in sun light, angles of view and touchscreen.
    6
  • What do you feel about Design and build quality of this device?
    5
  • What do you feel about the features of this device, is these enough for you in everyday life?
    5
  • Bluetooth, Wi-fi connectivity, data trnasfer speed, internet browsing and interfaces.
    6
  • What do you feel about usability and speed of UI (user interface), messaging, calling, contacts management, call history, notifications and internet browsing?
    6
  • What about battery life, while calling, listening music, watching videos, playing games and doing other tasks.
    6
  • 6 / 10 based on your selection

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