OnePlus 6T vs Xiaomi Mi A3 Specs Comparison

Design

Dimensions
6.20 x 2.94 x 0.32 inches 157.5 x 74.8 x 8.2 mm	6.04 x 2.83 x 0.33 inches 153.48 x 71.85 x 8.475 mm
Weight
6.53 oz (185.0 g)	6.13 oz (173.8 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Back: Glass (Corning Gorilla Glass 5) Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key, Other	Back: Volume control, Lock/Unlock key
Colors
Black, Purple	Gray, Blue, White

Display

Size
6.4-inch	6.1-inch
Resolution
2340x1080px, 19.5:9 ratio, 402 PPI	1560x720px, 19.5:9 ratio, 282 PPI
Technology
AMOLED	Super AMOLED
Screen-to-body
85.77 %	82.56 %
Features
Scratch-resistant glass (Corning Gorilla Glass 6), 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 (11, 10, 9.0 Pie), OxygenOS UI	Android (11, 10, 9.0 Pie)

Battery

Capacity
3700 mAh	4030 mAh
Type
Li - Ion
Charging
OnePlus Dash Charge	Qualcomm Quick Charge 3.0

Camera

Rear
Dual camera	Triple camera
Main camera
16 MP (OIS, PDAF) 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) 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) 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
Hearing aid compatible
M3/T3
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
No 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), 13(700 c), 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+), 46	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 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	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: Oct 30, 2018 FCC ID value: 2ABZ2-A6013
Measured SAR
Head: 1.34 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.32 W/kg Phablet: 3.62 W/kg

Buyers information

MSRP
$ 629
In The Box
Screen Protector (pre-applied), Case, Fast Charge Type-C Cable, Fast Charge Power Adapter, SIM Tray Ejector, Welcome Letter, Quick Start Guide / Poster, Safety Information, Type-C to 3.5 mm Headphone Jack Adapter	10W charger, USB Type-C cable, SIM eject tool, User guide, Soft case, Warranty card

Availability

Officially announced
Oct 29, 2018	Jul 17, 2019

Alternative variants

with 128 GB storage

Internal storage	128GB
MSRP	$ 579

with 64 GB storage

Internal storage	64GB

with 6 GB RAM

RAM	6GB
Internal storage	128GB
MSRP	$ 549

Single SIM, no CDMA

Internal storage	128GB

RAM	10GB
MSRP	$ 700

Links

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