vivo X21 vs Xiaomi Redmi Note 10S 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.

vivo X21 Xiaomi Redmi Note 10S
Released · May 29, 2018
Released · Apr 28, 2021
6.3-inch · 2280x1080px
6.4-inch · 2400x1080px
Dual camera
Quad camera
6GB · 128GB
6GB · 64GB
3200 mAh
5000 mAh

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
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