Blackview A85 vs vivo X21 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Blackview A85 vivo X21
Released · December 2022
Released · May 29, 2018
6.5-inch · 1612x720px
6.3-inch · 2280x1080px
Dual camera
Dual camera
8GB · 128GB
6GB · 128GB
4480 mAh
3200 mAh
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Design

Dimensions
6.47 x 3.00 x 0.34 inches
164.3 x 76.1 x 8.65 mm
6.08 x 2.94 x 0.29 inches
154.45 x 74.78 x 7.37 mm
Weight
6.81 oz / 193.0 g 5.51 oz / 156.2 g
Materials
Back: Aluminum
Frame: Aluminum
Biometrics
Fingerprint (touch) 2D Face unlock, Optical in-screen fingerprint
Keys
Left: Other; Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black

Display

Size
6.5-inch, 81.05% screen-to-body 6.3-inch, 85.36% screen-to-body
Type
90Hz Super AMOLED
Resolution
1612x720px, 20:9 ratio, 272 PPI 2280x1080px, 402 PPI

Hardware

System chip
UNISOC Tiger T606 Snapdragon 660 SDM660 (14 nm)
Processor
Octa-core Octa-core
2200 MHz
Kryo 260
GPU
Yes Adreno 512
Memory
8GB/128GB 6GB (LPDDR4)/128GB
Storage expansion
microSDXC up to 1024 GB microSDXC up to 256 GB
OS
Android (12) Android (8.1 Oreo)

Battery

Type
4480 mAh 3200 mAh, Li - Ion
Charging
Fast charging Fast charging
Charge speed
Wired: 18.0W

Camera

Rear
Dual camera Dual camera
Main camera
50 MP 12 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2.8"
Pixel size: 1.28 μm
Second camera
8 MP 5 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
Yes 1080p (30 fps)
Time-lapse video, Video calling, Video sharing
Front
8 MP 12 MP
Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
Yes
Wi-Fi Direct, Hotspot
802.11 b, g, n
dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C microUSB, USB 2.0
Sensors
Accelerometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass
Other
NFC VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

LTE Bands
1, 3, 7, 8, 20 1, 3, 5
TDD Bands
40 40, 41
3G Bands
1, 8 5, 8, 1
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Dual Nano SIM Nano SIM

Regulatory Approval

Measured SAR
Head: 1.18 W/kg
Body: 0.57 W/kg
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