Samsung Galaxy S9 vs Xiaomi Mi A3
Display
Size
Resolution
Pixel density
Technology
Super AMOLED
Super AMOLED
Screen-to-body
84.36 %
82.56 %
Features
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Hardware & Performance
System chip
Qualcomm Snapdragon 845 SDM845
Qualcomm Snapdragon 665
Processor
GPU
Adreno 630
Adreno 610
RAM
Internal storage
64GB
128GB
Storage expansion
microSDXC up to 400 GB
microSDXC up to 256 GB
OS
Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (9.0 Pie)
Battery
Capacity
3000 mAh
4030 mAh
Type
Li - Ion, Not user replaceable
Not user replaceable
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Qualcomm Quick Charge 3.0
Camera
Rear
Single camera
Triple camera
Main camera
Features
Optical image stabilization, Phase-detection autofocus
Phase-detection autofocus
Second camera
8 megapixels
Features
Ultra-wide
Third camera
2 megapixels
Features
Depth information
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features
High Dynamic Range mode (HDR), Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing
Digital image stabilization, Video calling, Video sharing
Front
8 megapixels
32 megapixels
Features
Autofocus, High Dynamic Range mode (HDR)
Design
Dimensions
Weight
the average is 6.2 oz (176 g)
the average is 6.2 oz (176 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance
Water, Dust; IP 68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Features
Notification light
Colors
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue
Gray, Blue, White
Cellular
LTE (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
LTE (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 38(2600), 40(2300)
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
Multimedia
Headphones
3.5mm jack
3.5mm jack
Features
32-Bit DAC, aptX-HD
Album art cover, Background playback
Connectivity & Features
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
USB
Type-C (reversible), USB 3.1
Type-C (reversible)
Features
Charging, OTG, Video out
Mass storage device, Charging
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass
Other
NFC, ANT+
Infrared, VoIP, Tethering, Computer sync, OTA sync
Phone features
Notifications
Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Shopping information
In The Box
10W charger, USB Type-C cable, SIM eject tool, User guide, Soft case, Warranty card
MSRP
$ 720
