Overall Score
45.9Category Breakdown
Overall(#2825)45.9
Performance(#2763)74.4
Camera(#6218)19.1
Display(#1312)82.8
Battery(#4319)25.7
Build(#1308)76.2
Connectivity(#2820)59.3
Audio(#1963)8.9
Comparisons Featuring vivo X21
Short Review
- The vivo X21 features a sleek design with dimensions of 154.5 x 74.8 x 7.4 mm and a weight of 156.2g, utilizing Gorilla Glass 3 on the front and an aluminum back and frame.
- Its 6.28-inch Super AMOLED display offers a resolution of 1080 x 2280 pixels at a density of approximately 402 ppi, providing vibrant visuals.
- Powered by the Qualcomm Snapdragon 660 chipset, the phone delivers solid performance with an octa-core CPU and Adreno 512 GPU, supported by options of 64GB or 128GB storage paired with 6GB RAM.
- The camera system includes a 12 MP main sensor and a 5 MP depth sensor, capable of recording video at 1080p, while the 12 MP front camera excels in selfies.
- The battery capacity is 3200 mAh, supporting 18W charging, though it lacks wireless charging.
- Running on Android 8.1 with Funtouch 4, the software experience is user-friendly but may feel dated compared to newer versions.
- Connectivity options include dual-band Wi-Fi, Bluetooth 5.0, and microUSB 2.0, but it does not support 5G or NFC.
- The phone is available in Black, Aurora White, and Ruby Red.
- Notably, it retains a headphone jack, catering to users who prefer wired audio.
- Overall, the vivo X21 combines a stylish design with competent specifications for everyday use.
Specifications
General
Release Date2018
Announced2018
DescriptionN/A
Display
Size6.28"
TypeSuper AMOLED
Resolution1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
PPI1080
Refresh Rate60Hz
HDR Support✗
ProtectionCorning Gorilla Glass 3
Performance
ChipsetQualcomm SDM660 Snapdragon 660 (14 nm)
CPUOcta-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPUAdreno 512
Memory64GB 6GB RAM, 128GB 6GB RAM
Expandable Storage✗
Card SlotmicroSDXC (uses shared SIM slot)
Camera
Main Camera12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF5 MP, f/2.4, (depth)
Main Camera FeaturesLED flash, HDR, panorama
Front Camera12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Front Camera FeaturesN/A
Video Recording1080p@30fps
Selfie Video1080p@30fps
Optical Stabilization✗
Night Mode✗
Raw Photo Support✗
Battery
Capacity3200 mAh
Battery DetailsLi-Ion 3200 mAh, non-removable
Charging Details18W wired
Fast Charging✗
Wireless Charging✗
Build & Safety
Dimensions154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
Weight156.2 g
MaterialsGlass front (Gorilla Glass 3), aluminum back, aluminum frame
ColorsBlack, Aurora White, Ruby Red
Foldable✗
SARN/A
Connectivity
SIMNano-SIM + Nano-SIM
NetworkGSM / CDMA / HSPA / LTE
Network SpeedHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
5G✗
4G✓
WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth5.0, A2DP, LE
NFC✗
USBmicroUSB 2.0, OTG
IR Blaster✗
Headphone Jack✓
Radio✗
PositioningGPS, GLONASS
Audio
Stereo Speakers✗
LoudspeakerYes
Audio JackYes
Software & Security
Operating SystemAndroid 8.1 (Oreo), Funtouch 4
Fingerprint✓
Face Unlock✗
SensorsFingerprint (rear-mounted), accelerometer, proximity, compass