Xiaomi Mi A3 vs Samsung Galaxy A40 Specs Comparison

Availability

Officially announced
Jul 17, 2019	Apr 10, 2019

Design

Dimensions
6.04 x 2.83 x 0.33 inches 153.48 x 71.85 x 8.475 mm	5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm
Weight
6.13 oz / 173.8 g	4.94 oz / 140.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Fingerprint (touch)
Keys
Back: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Gray, Blue, White	Black, Coral, Blue, White

Display

Size
6.1-inch, 82.56% screen-to-body	5.9-inch, 85.73% screen-to-body
Type
Super AMOLED	Super AMOLED
Resolution
1560x720px, 19.5:9 ratio, 282 PPI	2340x1080px, 19.5:9 ratio, 437 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 3

Hardware

System chip
Snapdragon 665 (11 nm)	Exynos 7904 (14 nm)
Processor
Octa-core 2000 MHz Kryo 260	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Adreno 610	Mali-G71 MP2
Memory
4GB (LPDDR4)/128GB 4GB/64GB	4GB (LPDDR4)/64GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie)	Android (11, 10, 9.0 Pie)

Battery

Type
4030 mAh	3100 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 3.0	Samsung Adaptive Fast Charging

Camera

Rear
Triple camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.3" 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
8 MP (Ultra-wide) Aperture size: F2.2 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
2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS, Video calling, Video sharing	1080p (30 fps) Hyperlapse, Video calling, Video sharing
Front
32 MP Video capture: 1080p	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	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, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
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	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 20, 28	1, 3, 5, 7, 8, 20
4G (TDD) Bands
38, 40	38, 40, 41
3G Bands
5, 8, 4, 2, 1	1, 2, 5, 8
Data Speed
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	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

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

Discover more

Full Specs Xiaomi Mi A3 Specs

Full Specs Samsung Galaxy A40 Specs