Xiaomi Mi 9 SE vs Samsung Galaxy A42 Specs Comparison

Design

Dimensions
5.81 x 2.78 x 0.29 inches 147.5 x 70.5 x 7.45 mm	6.47 x 2.99 x 0.34 inches 164.4 x 75.9 x 8.6 mm
Weight
5.47 oz (155.0 g)	6.81 oz (193.0 g)
Biometrics
2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue	Prism Dot black, Prism Dot white, Prism Dot grey

Display

Size
6.0-inch	6.6-inch
Resolution
2340x1080px, 19.5:9 ratio, 432 PPI	1600x720px, 20:9 ratio, 266 PPI
Technology
AMOLED	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
83.96 %	84.26 %
Colors
16 777 216
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 712 SDM712 (10 nm)	Qualcomm Snapdragon 750G SM7225 (8 nm)
Processor
Octa-core 2300 MHz Kryo 360	Octa-core 2x 2.2GHz Kryo 570 + 6x 1.8GHz Kryo 570
GPU
Adreno 616	Adreno 619
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB	128GB, available to use: 106 GB
Storage expansion
	microSDXC up to 1000 GB
OS
Android (9.0 Pie)	Android (12, 11, 10), Samsung One UI

Battery

Capacity
3070 mAh	5000 mAh
Charging
	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

Camera

Rear
Triple camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F1.8 Pixel size: 0.8 μm
Second camera
13 MP (Ultra-wide, PDAF) Aperture size: F2.4 Sensor size: 1/3.06" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
8 MP (Telephoto, Autofocus) Aperture size: F2.4 Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps) EIS, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Front
20 MP (HDR)	20 MP (Autofocus)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share

Cellular

5G
	Bands n1, n3, n5, n7, n8, n28, Sub-6
4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSPA, HSUPA	LTE-A, 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: Apr 08, 2021 FCC ID value: A3LSMA426U
Measured SAR
	Head: 1.11 W/kg Body: 1.25 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.06 W/kg Phablet: 3.81 W/kg

Buyers information

MSRP
	€ 340

Availability

Officially announced
Feb 20, 2019	Sep 02, 2020

Links

Full specifications
Xiaomi Mi 9 SE Specs	Samsung Galaxy A42 Specs