vivo X21 vs Xiaomi Redmi Note 10S Specs Comparison

Design

Dimensions
6.08 x 2.94 x 0.29 inches 154.45 x 74.78 x 7.37 mm	6.32 x 2.93 x 0.33 inches 160.46 x 74.5 x 8.29 mm
Weight
5.51 oz (156.2 g)	6.31 oz (178.8 g)
Materials
Back: Aluminum Frame: Aluminum
Resistance
	Splash; IP53
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Onyx Gray, Pebble White, Lake Green

Display

Size
6.3-inch	6.4-inch
Resolution
2280x1080px, 402 PPI	2400x1080px, 20:9 ratio, 409 PPI
Technology
Super AMOLED	AMOLED
Screen-to-body
85.36 %	83.55 %
Peak brightness
	1100 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 660 SDM660 (14 nm)	MediaTek Helio G95 (12 nm)
Processor
Octa-core 2200 MHz Kryo 260	Octa-core 2050 MHz Arm Cortex-A55 and Arm Cortex-A76
GPU
Adreno 512	Arm Mali-G76 MC4
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB	64GB (UFS 2.2)
Storage expansion
microSDXC up to 256 GB	not expandable
OS
Android (8.1 Oreo), Funtouch UI	Android (11), MIUI 12.5 UI

Battery

Capacity
3200 mAh	5000 mAh
Type
Li - Ion
Charging
Fast charging	Fast charging
Charge speed
	Wired: 33.0W

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	64 MP (Autofocus) Aperture size: F1.8 Sensor size: 1/1.97” Pixel size: 0.7 μm
Second camera
5 MP (Depth information) Aperture size: F2.4	8 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
1920x1080 (Full HD) (30 fps) Time-lapse video, Video calling, Video sharing	Yes
Front
12 MP, Video capture: 1920x1080 (Full HD)	13 MP

Connectivity & Features

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

Multimedia

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

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 28, 2021 FCC ID value: 2AFZZK7BG
Measured SAR
Head: 1.18 W/kg Body: 0.57 W/kg	Head: 1.07 W/kg Body: 0.81 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.00 W/kg

Buyers information

MSRP
	$ 229
In The Box
Earphone, Documentation, microUSB cable, USB Power Adapter, SIM Ejector, Protective Case, Protective Film (applied)

Availability

Officially announced
	Mar 04, 2021

Alternative variants

With 128GB storage

Internal storage	128GB

With 8GB RAM and 128GB storage

RAM	8GB
Internal storage	128GB

Links

Full specifications
vivo X21 Specs	Xiaomi Redmi Note 10S Specs