Samsung Galaxy M40 vs OPPO A91 Specs Comparison

Availability

Officially announced
Jun 11, 2019	Dec 20, 2019

Design

Dimensions
6.11 x 2.91 x 0.31 inches 155.3 x 73.9 x 7.9 mm	6.31 x 2.89 x 0.31 inches 160.2 x 73.3 x 7.9 mm
Weight
5.93 oz / 168.0 g	6.07 oz / 172.0 g
Materials
Back: Plastic	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Midnight blue, Seawater blue	Lightening Black, Unicorn White, Blazing Blue

Display

Size
6.3-inch, 84.94% screen-to-body	6.4-inch, 84.05% screen-to-body
Type
IPS LCD	AMOLED, 60Hz
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI	2400x1080px, 20:9 ratio, 411 PPI
Protection
Corning Gorilla Glass	Corning Gorilla Glass 5
Features
Scratch-resistant glass, Proximity sensor

Hardware

System chip
Snapdragon 675 SM6150 (11 nm)	Mediatek Helio P70 MT6771V (12 nm)
Processor
Octa-core 2000 MHz Kryo 460	Octa-core 2100 MHz Cortex-A73
GPU
Adreno 612	Mali-G72 MP3
Memory
6GB (LPDDR4)/128GB	4GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (10, 9.0 Pie)	Android (9.0 Pie)

Battery

Type
3500 mAh	4025 mAh, Li - Polymer
Charging
Samsung Adaptive Fast Charging	SuperVOOC 3.0
Charge speed
	Wired: 20.0W

Camera

Rear
Triple camera	Dual camera
Main camera
32 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F1.8 Focal length: 26mm (wide) mm Sensor size: 1/2.3" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/1.4" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Aperture size: F2.2 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm	2 MP (Macro) Aperture size: F2.4 Sensor size: 1/1.5" 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	LED
Video recording
4K UHD (30 fps), 1080p (30 fps), 720p (240 fps) Hyperlapse, Video calling, Video sharing	1080p (30 fps) HDR, Time-lapse video, EIS
Front
16 MP (HDR) Video capture: 1080p	16 MP Video capture: 720p (30 fps)

Connectivity & Features

Bluetooth
5.0	4.2
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	b,g,n,ac Wi-Fi Direct, Hotspot 802.11 b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Proximity sensor	Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 8	1, 3, 5, 7, 8
4G (TDD) Bands
40, 41	38, 40, 41
3G Bands
5, 8, 1	1, 5, 8
Data Speed
LTE-A Cat 13/5 (400/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	No
SIM type
Nano SIM	Nano SIM

Alternative variants

Comes with 8GB RAM

Memory	8GB

Discover more

Full Specs Samsung Galaxy M40 Specs

Full Specs OPPO A91 Specs