Introduction: |
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Brand | BBK |
Model | Vivo X21 UD Dual SIM TD-LTE IN 1728 / X21 |
Brief The X21 UD is simply X21 in India |
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Released | 2018 May 31 |
Announced | 2018 May 29 |
Hardware Designer | BBK Electronics |
Manufacturer | BBK Electronics |
General Extras | Haptic touch feedback |
Device Category | Smartphone |
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 |
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Physical Attributes: |
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Width | 74.78 mm |
2.94 inch | |
Height | 154.45 mm |
6.08 inch | |
Depth | 7.37 mm |
0.29 inches | |
Bounding Volume | 85.1 ccm |
Mass | 156.2 g |
5.51 ounces | |
Software Environment: |
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Platform | Google Android |
Operating System | Google Android 8.1 (Oreo) |
FunTouch OS 4.0 | |
Software Extras | Voice Command , Navigation software , Intelligent personal assistant , Face Recognition |
Application processor, Chipset: |
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CPU Clock | 2200 MHz |
CPU | Qualcomm Snapdragon 660 SDM660, 2017, 64 bit, octa-core, 14 nm, Qualcomm Adreno 512 GPU |
Operative Memory: |
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RAM Type | mobile (LP) DDR4 SDRAM |
1866 MHz | |
RAM Capacity | 6144 MiB RAM |
5713 MiB user accessible RAM | |
Non-volatile Memory: |
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Non-volatile Memory Type | Flash EEPROM |
Non-volatile Memory Interface | Yes |
Non-volatile Memory Capacity | 122070 MiB non-volatile |
Display |
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Display Notch | 1-notch |
Display Diagonal | 159.5 mm |
6.3 inch | |
Resolution | 1080x2280 |
2462400 pixels | |
Display Width | 68.28 mm |
2.69 inch | |
Display Height | 144.15 mm |
5.68 inch | |
Horizontal Full Bezel Width | 6.5 mm |
Display Area | 9842.3 square millimeter |
Display Area Utilization | 85.2% |
Pixel Size | 0.06322 mm/pixel |
Pixel Density | 402 PPI |
Display Type | Color AM-OLED display |
Display Subtype | Super AM-OLED |
Display Color Depth | 24 bit/pixel |
Number of Display Scales | 16.8M |
Display Dynamic Range Depth | 8 bit/pixel |
Display Illumination | Self-illuminating |
Display Subpixel Scheme | RGB Real Stripe Matrix (3 subpixel) |
Scratch Resistant Screen | No |
Graphical Subsystem: |
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Graphical Controller | Qualcomm Adreno 512 |
Dedicated Graphics Memory | 0.25 MiB |
Frame Buffer | 16 KiB |
Audio/Video Interfaces: |
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A/V Out | No |
Audio Subsystem: |
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Audio Channel(s) | stereo |
Audio Controller | Asahi Kasei AK4376A |
Sound Recording: |
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Microphone(s) | stereo |
Sound Playing: |
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Loudspeaker(s): | mono |
Audio Output: | 3.5mm |
Cellular Phone: |
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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) , TD-LTE 2300 MHz (Band XL) , TD-LTE 2500 MHz (Band XLI) bands |
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 |
SIM Card Slot | Nano-SIM (4FF) |
Cellular Antenna | Internal antenna |
Call Alert Sound | 64-chord melody |
Complementary Phone Services | Voice transmission , Voice speaker , Vibrating Alert , Speakerphone , ANC , HD Voice , Voice over LTE (VoLTE) |
Cellular Controller | Qualcomm SDM660 |
Secondary Cellular Phone: |
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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) |
Sec. SIM Card Slot | Nano-SIM (4FF) |
Internal antenna | |
Sec. Phone Controller IC: | Qualcomm SDM660 |
Control Peripherals: |
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Touchscreen Type | Capacitive multi-touch sensing screen |
Touchscreen Simultaneous Touch Points | Yes |
Communication Interfaces: |
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Expansion Interfaces | TransFlash , microSD , microSDHC , microSD Extended Capacity |
USB | USB 2.0 |
USB Hi-Speed (480 Mbps) | |
USB Services | USB charging , USB fast charging , USB Host , USB On-The-Go 1.3 , USB Power Delivery |
USB Connector | USB Series Micro-AB |
Bluetooth | Bluetooth 5.0 |
Internal antenna | |
Bluetooth profiles | A2DP , AVRCP |
Wireless LAN | IEEE 802.11a , IEEE 802.11b , IEEE 802.11g , IEEE 802.11n , IEEE 802.11ac |
Internal antenna | |
Wireless Services | Wi-Fi Tethering , Wi-Fi Calling (VoWiFi) |
Multimedia Broadcast: |
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FM Radio Receiver | No |
Satellite Navigation: |
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Supported GPS protocol(s) | GPS (NMEA 0183) |
Satellite Antenna: | Internal antenna |
Complementary Satellite Services | Simultaneous GPS (S-GPS) , Assisted GPS , Geotagging , QuickGPS |
Supported GLONASS protocol(s) | L1OF |
Supported BeiDou system (BDS) | B1I BeiDou receiver |
Navigation Controller | Qualcomm MSM8956 Plus iZat |
Primary Camera System |
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Camera Placement | Rear |
Camera Module | Samsung ISOCELL 2L9 |
Camera Image Sensor | CMOS |
Image Sensor Pixel Size | 1.28 micrometer |
Camera Resolution | 4032x3024 pixel |
Number of effective pixels | 12.2 MP camera |
Aperture (W) | f/1.80 |
Zoom | 1.0 x optical zoom |
2.0 x digital zoom | |
Focus | Phase-Detection Autofocus (PD AF) |
Recordable Image Formats | JPG |
Video Recording | 1920x1080 pixel |
30 fps | |
Recordable Video Formats | MPEG4 |
Flash | single LED |
Camera Extra Functions | HDR photo , Slow motion video , Burst mode , Touch focus , Macro mode , Panorama Photo , Face detection , Face retouch |
Auxiliary Camera: |
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Aux. Camera Image Sensor | CMOS |
Aux. Camera Module | Samsung 4E8 |
Aux. Camera Number of Pixels | 5.0 MP aux. cam |
Aux. Camera Aperture (W) | f/2.40 |
Auxiliary Camera No. 2: |
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Aux. 2 Camera Image Sensor | No |
Auxiliary Camera No. 3: |
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Aux. 3 Camera Image Sensor | No |
Auxiliary Camera No. 4: |
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Aux. 4 Camera Image Sensor | No |
Aux. 4 Camera Focus | No |
Secondary Camera System |
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Secondary Camera Placement | Front |
Secondary Camera Module | Samsung 2L8 |
Secondary Camera Sensor | CMOS |
Secondary Camera Resolution | 5656x4240 pixel |
Secondary Camera Number of pixels | 24.0 MP sec. cam |
Secondary Aperture (W) | f/2.00 |
Secondary Recordable Image Formats | JPG |
30 fps | |
Secondary Recordable Video Formats | MPEG4 |
Secondary Camera Extra Functions | HDR photo , Burst mode , Face detection , Face tagging , Face retouch |
Secondary Auxiliary Camera: |
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Sec. Aux. Cam. Image Sensor | No |
Secondary Auxiliary Camera No. 2: |
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Sec. Aux. 2 Cam. Image Sensor | No |
Built-in Sensors: |
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Built-in compass | Yes |
Built-in accelerometer | Yes |
Built-in gyroscope | Yes |
Additional sensors | In-screen fingerprint sensor , Light intensity sensor , Proximity sensor |
Ingress Protection: |
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Protection from solid materials | Yes |
Protection from liquids | Yes |
Power Supply: |
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Battery | Lithium-ion polymer (LiPo) |
built-in | |
1-cell | |
Nominal Cell Capacity (1st cell) | 3200 mAh cell |
Nominal Battery Capacity | 3200 mAh battery |
Geographical Attributes: |
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Market Countries | India |
Market Regions | Asia |
Datasheet Attributes: |
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Data Integrity | Preliminary |
Added | 2018-05-30 10:17 |
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