vivo X21 vs Samsung Galaxy A12 Specs Comparison

Availability

Officially announced
	Nov 24, 2020
Prices (MSRP)
	€179

Design

Dimensions
6.08 x 2.94 x 0.29 inches 154.45 x 74.78 x 7.37 mm	6.46 x 2.98 x 0.35 inches 164 x 75.8 x 8.9 mm
Weight
5.51 oz / 156.2 g	7.23 oz / 205.0 g
Materials
Back: Aluminum Frame: Aluminum	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Black, White, Blue, Red

Display

Size
6.3-inch, 85.36% screen-to-body	6.5-inch, 85.80% screen-to-body
Type
Super AMOLED	LCD
Resolution
2280x1080px, 402 PPI	1600x720px, 20:9 ratio, 270 PPI

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	4.2 (Poor)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 660 SDM660 (14 nm)	Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core 2200 MHz Kryo 260	Octa-core 4x2.3GHz Cortex-A53 4x1.8G​Hz Cortex-A53
GPU
Adreno 512	PowerVR GE8320
Memory
6GB (LPDDR4)/128GB	4GB (LPDDR4)/64GB (eMMC 5.1) 3GB/32GB 6GB/128GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 1024 GB
OS
Android (8.1 Oreo)	Android (10)

Battery

Type
3200 mAh, Li - Ion	5000 mAh, Li - Polymer
Charging
Fast charging	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

Camera

Rear
Dual camera	Quad camera
Main camera
12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1.28 μm	48 MP (Autofocus) Aperture size: F2.0 Focal length: 26 mm
Second camera
5 MP (Depth information) Aperture size: F2.4	5 MP (Ultra-wide) Aperture size: F2.2
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps) Time-lapse video, Video calling, Video sharing	1080p (30 fps)
Front
12 MP Video capture: 1080p	8 MP

Connectivity & Features

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

Multimedia

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

Cellular

4G (FDD) Bands
1, 3, 5	1, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
40, 41	38, 40, 41
3G Bands
5, 8, 1	1, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	No
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 11, 2021 FCC ID value: A3LSMA125U
Measured SAR
Head: 1.18 W/kg Body: 0.57 W/kg	Head: 1.14 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg

Alternative variants

With 32GB storage

Memory	3GB/32GB

With 128GB storage

Memory	6GB/128GB

Discover more

Full Specs vivo X21 Specs

Full Specs Samsung Galaxy A12 Specs