Status
Discontinued
Quick Summary
Striking a masterclass balance between cost and capability, the vivo X21 UD is a versatile mid-range smartphone designed for the modern user. It runs on Android 8.1 (Oreo), Funtouch 4, which pairs beautifully with its 6.28 inches AMOLED display to ensure fluid, vibrant interactions. It effortlessly handles daily applications and moderate tasks, drawing power from a 3200 mAh battery.
Hardware Score Analysis
A detailed breakdown of how this device scores based on automated hardware specification analysis.
Performance
61%
Display
79%
Camera
72%
Battery
68%
Memory
91%
Launch
Display
Type
Super AMOLED
Size
6.28 inches, 98.4 cm² (~85.2% screen-to-body ratio)
Resolution
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
Protection
Corning Gorilla Glass 3
Main Camera
Dual
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
Auxiliary lens
Video
1080p@30fps
Features
LED flash, HDR, panorama
Selfie Camera
Single
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Video
1080p@30fps
Body
Dimensions
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
Weight
156.2 g (5.50 oz)
Build
Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Colors
Black, Ruby Red
Connectivity
Technology
GSM / CDMA / HSPA / LTE
SIM
Nano-SIM + Nano-SIM
Platform
OS
Android 8.1 (Oreo), Funtouch 4
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Adreno 512
Memory
Card Slot
microSDXC (uses shared SIM slot)
Internal Storage
128GB 6GB RAM
Storage Type
eMMC 5.1
Sound
Loudspeaker
Yes
3.5mm Jack
Yes
Features
32-bit/192kHz Hi-Res audio
Comms
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
Positioning
GPS, GLONASS
NFC
No
Radio
FM radio
USB
microUSB 2.0, OTG
Features
Sensors
Fingerprint (under display, optical), accelerometer, proximity, compass
Battery
Type
Li-Ion 3200 mAh, non-removable
Charging
18W wired
Miscellaneous
Models
X21UD A
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