Xiaomi Mi 9 SE vs Samsung Galaxy A40 Specs Comparison

Availability

Officially announced
Feb 20, 2019	Apr 10, 2019

Design

Dimensions
5.81 x 2.78 x 0.29 inches 147.5 x 70.5 x 7.45 mm	5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm
Weight
5.47 oz / 155.0 g	4.94 oz / 140.0 g
Materials
	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue	Black, Coral, Blue, White

Display

Size
6.0-inch, 83.96% screen-to-body	5.9-inch, 85.73% screen-to-body
Type
AMOLED, HDR, 600 nits	Super AMOLED
Resolution
2340x1080px, 19.5:9 ratio, 432 PPI	2340x1080px, 19.5:9 ratio, 437 PPI
Colors
16 777 216
Protection
Corning Gorilla Glass	Corning Gorilla Glass 3

Hardware

System chip
Snapdragon 712 SDM712 (10 nm)	Exynos 7904 (14 nm)
Processor
Octa-core 2300 MHz Kryo 360	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Adreno 616	Mali-G71 MP2
Memory
6GB (LPDDR4)/128GB	4GB (LPDDR4)/64GB
Storage expansion
	microSDXC up to 512 GB
OS
Android (9.0 Pie)	Android (11, 10, 9.0 Pie)

Battery

Type
3070 mAh	3100 mAh, Li - Polymer
Charging
	Samsung Adaptive Fast Charging

Camera

Rear
Triple camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm
Second camera
13 MP (Ultra-wide, PDAF) Aperture size: F2.4 Sensor size: 1/3.06" Pixel size: 1.12 μm	5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
8 MP (Telephoto, Autofocus) Aperture size: F2.4 Sensor size: 1/4" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps) EIS, Video calling, Video sharing	1080p (30 fps) Hyperlapse, Video calling, Video sharing
Front
20 MP (HDR)	25 MP Video capture: 1080p

Connectivity & Features

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

Discover more

Full Specs Xiaomi Mi 9 SE Specs

Full Specs Samsung Galaxy A40 Specs

Multimedia

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

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8	1, 3, 5, 7, 8, 20
4G (TDD) Bands
34, 38, 39, 40, 41	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 5, 8
Data Speed
LTE-A, HSPA, HSUPA	LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
VoLTE
Yes

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Mar 08, 2019 FCC ID value: A3LSMA405FN
Measured SAR
	Head: 0.51 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.61 W/kg