Xiaomi Mi 8 SE vs vivo X21 Specs Comparison

Design

Dimensions
5.80x2.88x0.30 inches 147.28 x 73.09 x 7.5 mm	6.08x2.94x0.29 inches 154.45 x 74.78 x 7.37 mm
Weight
5.78 oz (164.0 g)	5.51 oz (156.2 g)
Materials
	Back: Aluminum Frame: Aluminum
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Blue, Red	Black

Display

Size
5.9-inch	6.3-inch
Resolution
2244x1080px, 18.7:9 ratio, 424 PPI	2280x1080px, 402 PPI
Technology
AMOLED	Super AMOLED
Screen-to-body
80.88 %	85.36 %
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 710 SDM710 (10 nm)	Qualcomm Snapdragon 660 SDM660 (14 nm)
Processor
Octa-core 2200 MHz Kryo 360	Octa-core 2200 MHz Kryo 260
GPU
Adreno 616	Adreno 512
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
64GB	128GB
Storage expansion
	microSDXC up to 256 GB
OS
Android	Android (8.1 Oreo), Funtouch UI

Battery

Capacity
3120 mAh	3200 mAh
Type
Li - Polymer, Not user replaceable	Li - Ion, Not user replaceable
Charging
Qualcomm Quick Charge 3.0	Fast charging

Camera

Rear
Dual camera	Dual camera
Main camera
12 MP (PDAF) Aperture size: F1.9 Sensor size: 1/2.55" Pixel size: 1.4 μm	12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1.28 μm
Second camera
5 MP (Depth information) Aperture size: F2.0 Pixel size: 1.12 μm	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps) Time-lapse video, Video calling, Video sharing
Front
20 MP (HDR), Video capture: 1920x1080 (Full HD)	12 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
Wi-Fi
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C (reversible), Features: Mass storage device, Charging, Headphones port	microUSB, USB 2.0, Features: Charging, OTG, Mass storage device
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	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), 7(2600), 8(900)	Bands 1(2100), 3(1800), 5(850)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 5(850), 8(900), 1(2100)
Data Speed
LTE, HSPA, HSUPA	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

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

Buyers information

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

Availability

Officially announced
May 31, 2018

Links

Full specifications
Xiaomi Mi 8 SE Specs	vivo X21 Specs