Samsung Galaxy A40 vs Xiaomi Mi 9T Specs Comparison

Availability

Officially announced
Apr 10, 2019	Jun 12, 2019

Design

Dimensions
5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm	6.17 x 2.93 x 0.35 inches 156.7 x 74.3 x 8.8 mm
Weight
4.94 oz (140.0 g)	6.74 oz (191.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Metal Frame: Metal
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Coral, Blue, White	Carbon Black, Flame Red, Glacier Blue

Display

Size
5.9-inch, 85.73% screen-to-body	6.4-inch, 85.94% screen-to-body
Type
Super AMOLED	AMOLED, 60Hz, HDR, 430 nits
Resolution
2340x1080px, 19.5:9 ratio, 437 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 5

Hardware

System chip
Exynos 7904 (14 nm)	Snapdragon 730 SM7150-AA (8 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core Kryo 470
GPU
Mali-G71 MP2	Adreno 618
Memory
4GB (LPDDR4)/64GB	6GB (LPDDR4)/128GB 6GB/64GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10, 9.0 Pie)	Android (10, 9.0 Pie)

Battery

Type
3100 mAh, Li - Polymer	4000 mAh
Charging
Samsung Adaptive Fast Charging	Fast charging
Charge speed
	Wired: 18.0W

Camera

Rear
Dual camera	Triple camera
Main camera
16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm	48 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm	13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 12 mm Sensor size: 1/3.1" Pixel size: 1.12 μm
Third camera
	8 MP (Telephoto) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 53 mm Sensor size: 1/4" Pixel size: 1.12 μm
Flash
LED	Dual LED
Video recording
1080p (30 fps) Hyperlapse, Video calling, Video sharing	4K UHD (30 fps), 1080p (960 fps), 720p (960 fps) Video calling, Video sharing
Front
25 MP Video capture: 1080p	20 MP (Pop-up, HDR) 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 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback	Album art cover, Background playback
Screen mirroring
Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1, 3, 5, 7, 8, 20	Bands 1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD)
Bands 38, 40, 41	Bands 38, 40
3G
Bands 1, 2, 5, 8	Bands 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, 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: 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

Alternative variants

with 64 GB storage

Memory	64GB

Links

Full specifications
Samsung Galaxy A40 Specs	Xiaomi Mi 9T Specs
User Reviews
Samsung Galaxy A40 User Reviews