OnePlus 6 vs Xiaomi Mi A3 Specs Comparison

Design

Dimensions
6.13 x 2.97 x 0.31 inches 155.7 x 75.4 x 7.75 mm	6.04 x 2.83 x 0.33 inches 153.48 x 71.85 x 8.475 mm
Weight
6.24 oz (177.0 g)	6.13 oz (173.8 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Metal	Back: Glass (Corning Gorilla Glass 5) Frame: Plastic
Resistance
Splash
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Features
Notification light
Keys
Left: Volume control; Right: Lock/Unlock key, Other	Back: Volume control, Lock/Unlock key
Colors
Black, Red, White	Gray, Blue, White

Display

Size
6.3-inch	6.1-inch
Resolution
2280x1080px, 19:9 ratio, 402 PPI	1560x720px, 19.5:9 ratio, 282 PPI
Technology
AMOLED	Super AMOLED
Screen-to-body
83.81 %	82.56 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Qualcomm Snapdragon 665 (11 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2000 MHz Kryo 260
GPU
Adreno 630	Adreno 610
RAM
8GB (LPDDR4)	4GB (LPDDR4)
Internal storage
256GB	128GB
Storage expansion
not expandable	microSDXC up to 256 GB
OS
Android (8.1 Oreo), OxygenOS UI	Android (11, 10, 9.0 Pie)

Battery

Capacity
3300 mAh	4030 mAh
Type
Li - Polymer
Charging
OnePlus Dash Charge	Qualcomm Quick Charge 3.0

Camera

Rear
Dual camera	Triple camera
Main camera
16 MP (OIS, PDAF, CMOS image sensor) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2.6" Pixel size: 1.22 μm	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.3" Pixel size: 0.8 μm
Second camera
20 MP (PDAF, CMOS image sensor) Aperture size: F1.7 Focal Length: 25 mm Sensor size: 1/2.8" Pixel size: 1 μm	8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
	2 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) Time-lapse video, EIS, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) EIS, Video calling, Video sharing
Front
16 MP (HDR), Video capture: 1920x1080 (Full HD)	32 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
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, USB 2.0	Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
NFC, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync	Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
aptX-HD	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), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)	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 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 40(2300)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 9 (450/50 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

FCC approval
Date approved: May 17, 2018 FCC ID value: 2ABZ2-A6003
Measured SAR
Head: 1.26 W/kg Body: 0.90 W/kg Simultaneous Transmission: 1.53 W/kg Wireless Router: 1.29 W/kg Phablet: 3.50 W/kg

Buyers information

MSRP
$ 629
In The Box
Screen protector (pre-applied), Translucent case, OnePlus fast charge Type-C cable, OnePlus fast charge power adapter, SIM tray ejector, Quick start guide, Safety information	10W charger, USB Type-C cable, SIM eject tool, User guide, Soft case, Warranty card

Availability

Officially announced
May 16, 2018	Jul 17, 2019

Alternative variants

with 64 GB storage

RAM	6GB
Internal storage	64GB
MSRP	$ 529

with 64 GB storage

Internal storage	64GB

with 128 GB storage

Internal storage	128GB
MSRP	$ 579

Links

Full specifications
OnePlus 6 Specs	Xiaomi Mi A3 Specs
PhoneArena Review
OnePlus 6 Review
User Reviews
OnePlus 6 User Reviews