OPPO A91 vs Motorola Moto G31 Specs Comparison

Availability

Officially announced
Dec 20, 2019	Nov 18, 2021

Design

Dimensions
6.31 x 2.89 x 0.31 inches 160.2 x 73.3 x 7.9 mm	6.37 x 2.91 x 0.34 inches 161.89 x 73.87 x 8.55 mm
Weight
6.07 oz / 172.0 g	6.38 oz / 181.0 g
Materials
Back: Plastic Frame: Plastic
Biometrics
Optical in-screen fingerprint	Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key, Other
Colors
Lightening Black, Unicorn White, Blazing Blue	Mineral Grey, Baby Blue

Display

Size
6.4-inch, 84.05% screen-to-body	6.4-inch, 82.69% screen-to-body
Type
AMOLED, 60Hz	IPS LCD, 60Hz
Resolution
2400x1080px, 20:9 ratio, 411 PPI	2400x1080px, 20:9 ratio, 411 PPI
Protection
Corning Gorilla Glass 5

Hardware

System chip
Mediatek Helio P70 MT6771V (12 nm)	MediaTek Helio G85 MT6769Z (12 nm)
Processor
Octa-core 2100 MHz Cortex-A73	Octa-core 2000 MHz Cortex
GPU
Mali-G72 MP3	Mali-G52 MC2
Memory
4GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB	4GB/64GB 4GB/128GB
Storage expansion
microSDXC	microSDXC up to 1024 GB
OS
Android (9.0 Pie)	Android (11)

Battery

Type
4025 mAh, Li - Polymer	5000 mAh
Charging
SuperVOOC 3.0
Charge speed
Wired: 20.0W	Wired: 10.0W

Camera

Rear
Dual camera	Triple camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 26mm (wide) mm Sensor size: 1/2.3" Pixel size: 0.8 μm	50 MP (Autofocus) Aperture size: F1.8 Pixel size: 1.28 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/1.4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
2 MP (Macro) Aperture size: F2.4 Sensor size: 1/1.5" Pixel size: 1.75 μm	2 MP (Macro) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/3.1" Pixel size: 1 μm
Flash
LED
Video recording
1080p (30 fps) HDR, Time-lapse video, EIS	1080p (30 fps)
Front
16 MP Video capture: 720p (30 fps)	13 MP Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
Yes Wi-Fi Direct, Hotspot 802.11 b, g, n, ac	dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM, Stereo, RDS
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

LTE Bands
1, 3, 5, 7, 8	1, 2, 3, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28
TDD Bands
38, 40, 41	38, 40, 41
3G Bands
1, 5, 8	1, 2, 4, 5, 8, 19
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s	LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
No	Yes
SIM type
Nano SIM	Nano SIM

Alternative variants

Comes with 8GB RAM

Memory	8GB

With 128GB internal storage

Memory	128GB

Discover more

Full Specs OPPO A91 Specs

Full Specs Motorola Moto G31 Specs