Vivo X21 Dual SIM TD-LTE TW HK SG 128GB
from BBK
Bro
0
159.5
0
156.2
122070
0
Overview & Features
Technical Specifications
Related Smartphones
Reviews
Overview & Features
Brand
BBK
Model
Vivo X21 Dual SIM TD-LTE TW HK SG 128GB
Released
2018 May 6
Announced
2018 May 1
Manufacturer
BBK Electronics
General Extras
Haptic touch feedback
Hardware Designer
BBK Electronics
List of Additional Features
Face Wake 3D Function, Vivo Game Engine, MIMO Wifi, Smart Engine 4.0, Intellectual Beauty 4.0, PDAF with 12 + 12 MP Dual Pixel technology
Technical Specifications
Display
Pixel Size
0.06322 mm/pixel
Resolution
1080x2280
2462400 pixels
Display Area
9842.3 square millimeter
Display Type
Color AM-OLED
display
Display Notch
1-notch
Display Width
68.28 mm
Pixel Density
402 PPI
Display Height
144.15 mm
Display Subtype
Super AM-OLED
Display Diagonal
159.5 mm
Display Color Depth
24 bit/pixel
Display Illumination
Self-illuminating
Display Subpixel Scheme
RGB Real Stripe Matrix (3 subpixel)
Display Area Utilization
85.2%
Number of Display Scales
16.8M
Scratch Resistant Screen
No
Display Dynamic Range Depth
8 bit/pixel
Horizontal Full Bezel Width
6.5 mm
Power Supply
Battery
Lithium-ion polymer (LiPo)
built-in
1-cell
Nominal Battery Capacity
3200 mAh battery
Nominal Cell Capacity (1st cell)
3200 mAh cell
Sound Playing
Audio Output
3.5mm
Loudspeaker(s)
mono
Cellular Phone
SIM Card Slot
Nano-SIM (4FF)
Call Alert Sound
64-chord melody
Cellular Antenna
Internal antenna
Cellular Controller
Qualcomm SDM660
Supported Cellular Bands
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 850MHz (Band V, CLR)
UMTS 900MHz (Band VIII)
LTE 2100 MHz (Band 1)
LTE 1800 MHz (Band 3)
LTE 850 MHz (Band 5)
LTE 2600 MHz (Band 7)
LTE 900 MHz (Band 8)
LTE 700 MHz (Band 28)
TD-LTE 2600 MHz (Band 38)
TD-LTE 1900 MHz (Band 39)
TD-LTE 2300 MHz (Band XL)
TD-LTE 2500 MHz (Band XLI)
bands
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
ANC
HD Voice
Voice over LTE (VoLTE)
Supported Cellular Data Links
GPRS (Class unspecified)
EDGE (Class unspecified)
UMTS 384 kbps (W-CDMA)
HSUPA (Cat. unspecified)
HSDPA (Cat. unspecified)
HSDPA 7.2 Mbps (Cat. 8)
HSPA+ 21.1 Mbps (Cat. 18)
LTE (Cat. unspecified)
LTE 100 Mbps / 50 Mbps (Cat. 3)
LTE 150 Mbps / 50 Mbps (Cat. 4)
LTE 300 Mbps / 50 Mbps (Cat. 6)
data links
Audio Subsystem
Audio Channel(s)
stereo
Audio Controller
Asahi Kasei AK4376A
Sound Recording
Microphone(s)
stereo
Auxiliary Camera
Aux. Camera Module
Samsung 4E8
Aux. Camera Aperture (W)
f/2.40
Aux. Camera Image Sensor
CMOS
Aux. Camera Number of Pixels
5.0 MP aux. cam
Built-in Sensors
Built-in compass
Yes
Additional sensors
Fingerprint sensor
Light intensity sensor
Proximity sensor
Built-in gyroscope
Yes
Built-in accelerometer
Yes
Operative Memory
RAM Type
mobile (LP) DDR4 SDRAM
1866 MHz
RAM Capacity
6144 MiB RAM
5713 MiB user accessible RAM
Ingress Protection
Protection from liquids
Yes
Protection from solid materials
Yes
Control Peripherals
Touchscreen Type
Capacitive multi-touch sensing
screen
Touchscreen Simultaneous Touch Points
Yes
Graphical Subsystem
Frame Buffer
16 KiB
Graphical Controller
Qualcomm Adreno 512
Dedicated Graphics Memory
0.25 MiB
Non-volatile Memory
Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Capacity
122070 MiB
Non-volatile Memory Interface
Yes
Physical Attributes
Mass
156.2 g
Depth
7.37 mm
Width
74.78 mm
Height
154.45 mm
Bounding Volume
85.1 ccm
Multimedia Broadcast
FM Radio Receiver
No
Satellite Navigation
GPS Antenna
Internal antenna
Navigation Controller
Qualcomm MSM8956 Plus iZat
Supported GPS protocol(s)
GPS (NMEA 0183)
Complementary GPS Services
Simultaneous GPS (S-GPS)
Assisted GPS
Geotagging
QuickGPS
Supported BeiDou system (BDS)
B1I
BeiDou receiver
Supported GLONASS protocol(s)
L1OF
Software Environment
Platform
Google Android
Software Extras
Voice Command
Navigation software
Intelligent personal assistant
Face Recognition
Operating System
Google Android 8.1 (Oreo)
FunTouch OS
Audio/Video Interfaces
A/V Out
No
Auxiliary Camera No. 2
Aux. 2 Camera Image Sensor
No
Auxiliary Camera No. 3
Aux. 3 Camera Image Sensor
No
Auxiliary Camera No. 4
Aux. 4 Camera Focus
No
Aux. 4 Camera Image Sensor
No
Primary Camera System
Zoom
1.0 x optical zoom
2.0 x digital zoom
Flash
single LED
Focus
Phase-Detection Autofocus (PD AF)
Aperture (W)
f/1.80
Camera Module
Samsung ISOCELL 2L9
Video Recording
1920x1080 pixel
30 fps
Camera Placement
Rear
Camera Resolution
4032x3024 pixel
Camera Image Sensor
CMOS
Camera Extra Functions
HDR photo
Slow motion video
Burst mode
Touch focus
Macro mode
Panorama Photo
Face detection
Face retouch
Image Sensor Pixel Size
1.28 micrometer
Recordable Image Formats
JPG
Recordable Video Formats
MPEG4
Number of effective pixels
12.2 MP camera
Geographical Attributes
Market Regions
Asia
Southeast Asia
Mobile Operator
Chunghwa Telecom
Hong Kong CSL Mobile Limited
SmarTone Mobile Communications Limited
Taiwan Mobile
Market Countries
HK
Singapore
Taiwan
Secondary Camera System
Secondary Aperture (W)
f/2.00
Secondary Camera Module
Samsung 2L8
Secondary Camera Sensor
CMOS
Secondary Camera Placement
Front
Secondary Camera Resolution
5656x4240 pixel
Secondary Camera Extra Functions
HDR photo
Burst mode
Face detection
Face tagging
Face retouch
Secondary Camera Number of pixels
24.0 MP sec. cam
Secondary Recordable Image Formats
JPG
30 fps
Secondary Recordable Video Formats
MPEG4
Communication Interfaces
USB
USB 2.0
USB Hi-Speed (480 Mbps)
Bluetooth
Bluetooth 5.0
Internal antenna
USB Services
USB charging
USB fast charging
USB Host
USB On-The-Go 1.3
USB Power Delivery
Wireless LAN
IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
IEEE 802.11ac
Internal antenna
USB Connector
USB Series Micro-AB
Wireless Services
Wi-Fi Tethering
Wi-Fi Calling (VoWiFi)
Bluetooth profiles
A2DP
AVRCP
Expansion Interfaces
TransFlash
microSD
microSDHC
microSD Extended Capacity
Secondary Cellular Phone
Sec. SIM Card Slot
Nano-SIM (4FF)
Internal antenna
Sec. Phone Controller IC
Qualcomm SDM660
Dual Cellular Network Operation
Dual standby
Sec. Supported Cellular Networks
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
Sec. Supported Cellular Data Links
GPRS (Class unspecified)
EDGE (Class unspecified)
Secondary Auxiliary Camera
Sec. Aux. Cam. Image Sensor
No
Application processor, Chipset
CPU
Qualcomm Snapdragon 660 SDM660, 2017, 64 bit, octa-core, 14 nm, Qualcomm Adreno 512 GPU
CPU Clock
2200 MHz
Secondary Auxiliary Camera No. 2
Sec. Aux. 2 Cam. Image Sensor
No
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