vivo X21
$435.18
Overview
vivo X21 is a mid-range Android smartphone released in 2018 with a 6.28-inch Super AMOLED, Snapdragon 660 chipset, 12 main camera, and 3200 mAh battery.
The device runs Funtouch OS with features like ZEISS partnership. Priced at $435.18, it targets users seeking mid-range performance.
Specifications of vivo X21
The display of vivo X21 measures 6.28 inches with Super AMOLED technology. Peak brightness reaches 500 nits for excellent outdoor visibility. The screen renders at 1080x2280 pixels resolution.
The camera system of vivo X21 features 2 rear cameras: 12 main, 5MP ultrawide. Video recording supports up to 1080p.
The battery of vivo X21 has 3200mAh capacity with 18 wired charging. A full charge takes approximately 120 min minutes.
The performance of vivo X21 is powered by the Snapdragon 660 chipset with Adreno 512 GPU.
The memory of vivo X21 offers 6GB RAM with 64GB storage options. RAM uses LPDDR4X technology. Storage is 64GB 6GB RAM, 128GB 6GB RAM.
The connectivity of vivo X21 includes Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, and Bluetooth 5.0.
The build of vivo X21 with Aluminum frame and Glass back. Dimensions measure 154.5 x 74.8 x 7.4 mm.
The software of vivo X21 runs Android 8.1 (Oreo), Funtouch 4 with Funtouch OS. Software support extends 2 years through 2028.
Compare vivo X21
Frequently Asked Questions about vivo X21
vivo X21 has a 12 camera suitable for casual photography. For professional photography, consider phones with higher-resolution sensors.
vivo X21 with Snapdragon 660 can handle casual gaming. For intensive gaming, consider phones with flagship chipsets.
vivo X21 receives 2 years of updates through 2028. Consider this when planning long-term device usage.
vivo X21 has a 3200mAh battery. Battery life varies based on usage patterns.
vivo X21 at $435.18 is a mid-range device. It's worth buying if you prioritize balanced performance and value.
vivo X21 supports 18 wired charging with full charge in approximately 120 min minutes.
vivo X21 is available in 64GB storage options. Storage is not expandable, so choose your capacity based on your needs.
vivo X21 has a 6.28-inch Super AMOLED with 60Hz refresh rate and 500 nits peak brightness. HDR support includes No.
vivo X21 in Category Rankings
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Verdict
The vivo X21 delivers solid value for budget-conscious users who need reliable performance. Select this phone for reliable daily use, if you seek good value without compromising on essential features.
Key Specifications
Display
6.28"
Main Camera
12
Chipset
Snapdragon 660
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / LTE |
| 2G Bands | GSM / |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 4G LTE Bands | LTE |
| 5G Sub-6 Bands | N/A |
| 5G mmWave Bands | N/A |
| Speed | N/A |
| Carrier Aggregation | 4x4 MIMO |
| SIM | Nano-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | N/A |
Launch
| Announced | 2018 |
| Status | Out of Stock |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $435.18 |
Body & Design
| Dimensions (mm) | 154.5 x 74.8 x 7.4 mm |
| Weight (g) | N/A |
| Build Materials | Glass front (Gorilla Glass 3), aluminum back, aluminum frame |
| Frame | Aluminum |
| Back Finish | Glass |
| Colors | ["Black", "Aurora White", "Ruby Red"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | Passive Cooling |
| Notification/Alert | |
| Haptics | Basic Vibration |
Display
| Panel Type | Super AMOLED |
| Size (inches) | 6.28 |
| Resolution (px) | 1080x2280 pixels |
| Aspect Ratio | 9:19 |
| Pixel Density (ppi) | 402 |
| Screen-to-body Ratio (%) | 85.2 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 120 |
| Peak Brightness (nits) | 500 |
| HDR Standards | |
| Color Gamut | sRGB |
| Color Depth | 24 |
| PWM Dimming (Hz) | 240 |
| Glass Protection | Corning Gorilla Glass v3 |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | Android 8.1 (Oreo), Funtouch 4 |
| Update Policy | 2 years |
| Chipset | Snapdragon 660 |
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| GPU | Adreno 512 |
| NPU/AI TOPs | 0.5 TOPS |
| ISP Features | Dual Pixel PDAF, HDR |
| Modem | Snapdragon X12 LTE |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | N/A |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 6GB |
| RAM Type | LPDDR4X |
| Storage | 64GB |
| Storage Type | 64GB 6GB RAM, 128GB 6GB RAM |
| Storage Speed | UFS 2.1 |
| Expandable Storage | microSDXC (uses shared SIM slot) |
| Slot Type | microSD |
| USB OTG | |
| Filesystem Encryption |
Main Camera System
| Rear Cameras | 2 |
| Main Sensor | 12 |
| Main Sensor Size | 1/2.55" |
| Main Sensor Model | Samsung ISOCELL S5K2L9 |
| Main Lens | f/1.8, 26mm |
| OIS | |
| Autofocus | PDAF |
| Pixel Binning | 1.4µm |
| Ultrawide | 5MP, FOV: 120° |
| Telephoto | N/A |
| Macro | N/A |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | Dual LED |
| Video Resolution | 1080p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.264, H.265 |
| Slow Motion | 720p@240fps |
| Video Stabilization | EIS |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | 12 |
| Sensor Size | 1/3.2" |
| Aperture | f/2.0 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | Screen flash |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 2D |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 2 |
| Bluetooth Codecs | aptX, aptX HD, LDAC |
| DAC/Amp | AK4376A |
Connectivity
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Wi-Fi Features | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 5.0 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS, GLONASS |
| Dual-Band GNSS | |
| FM Radio | |
| USB | Micro-USB |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | Fingerprint (Rear-Mounted) |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 3200 |
| Type | Li-Ion |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 18 |
| Wired Standard | Qualcomm Quick Charge 4 |
| 0-50% Time (mins) | 60 min |
| Full Charge Time | 120 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | 18W charger |
| Battery Health Features | Basic |
Software
| OS at Launch | Android 8.1 (Oreo), Funtouch 4 |
| Update Window | 2 years |
| UI Skin / Launcher | Funtouch OS |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | Basic |
| Accessibility | Standard Android |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | Phone, charger, cable, manual, SIM tool |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!