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OnePlus 7 vs Xiaomi Mi A3 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.

Comparison mode:
Specs Size
Differences only
OnePlus 7
Xiaomi Mi A3
OnePlus 7 Xiaomi Mi A3
Released · May 21, 2019
Released · Jul 24, 2019
6.4-inch · 2340x1080px
6.1-inch · 1560x720px
Dual camera
Triple camera
6GB · 128GB
4GB · 128GB
3700 mAh
4030 mAh
Check prices

Availability

Officially announced
May 14, 2019 Jul 17, 2019

Design

Dimensions
6.21 x 2.94 x 0.32 inches
157.7 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
6.42 oz / 182.0 g 6.13 oz / 173.8 g
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Metal 		Back: Glass (Corning Gorilla Glass 5)
Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key Back: Volume control, Lock/Unlock key
Colors
Mirror gray Gray, Blue, White

Display

Size
6.4-inch, 85.63% screen-to-body 6.1-inch, 82.56% screen-to-body
Type
AMOLED, 60Hz Super AMOLED
Resolution
2340x1080px, 19.5:9 ratio, 402 PPI 1560x720px, 19.5:9 ratio, 282 PPI
Protection
Corning Gorilla Glass 6 Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 855 (7 nm) Snapdragon 665 (11 nm)
Processor
Octa-core
2840 MHz
Kryo 485 		Octa-core
2000 MHz
Kryo 260
GPU
Adreno 640 Adreno 610
Memory
6GB (LPDDR4)/128GB (UFS 3.0)
8GB/256GB 		4GB (LPDDR4)/128GB
4GB/64GB
Storage expansion
not expandable microSDXC up to 256 GB
OS
Android (11, 10, 9.0 Pie) Android (11, 10, 9.0 Pie)

Battery

Type
3700 mAh 4030 mAh
Charging
Fast charging Qualcomm Quick Charge 3.0
Charge speed
Wired: 20.0W

Camera

Rear
Dual camera Triple camera
Main camera
48 MP (OIS, PDAF)
Aperture size: F1.7
Sensor size: 1/2"
Pixel size: 0.8 μm 		48 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2.3"
Pixel size: 0.8 μm
Second camera
5 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.12 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
4K UHD (60 fps), 1080p (240 fps), 720p (480 fps)
Time-lapse video, EIS, Video calling, Video sharing 		4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
EIS, Video calling, Video sharing
Front
16 MP (HDR)
Video capture: 1080p 		32 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac 		a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 3.1 Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
Dolby Atmos, 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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29, 32 1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
34, 38, 39, 40, 41 38, 40
3G Bands
1, 2, 4, 5, 6, 8 5, 8, 4, 2, 1
Data Speed
LTE-A Pro Cat 16 (1000/150 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

Alternative variants

with 256 GB storage
Memory 8GB/256GB
with 64 GB storage
Memory 64GB
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