Xiaomi Mi 9 SE vs Samsung Galaxy A71 Specs Comparison

Design

Dimensions
5.81 x 2.78 x 0.29 inches 147.5 x 70.5 x 7.45 mm	6.44 x 2.99 x 0.30 inches 163.6 x 76 x 7.7 mm
Weight
5.47 oz (155.0 g)	6.31 oz (179.0 g)
Materials
	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
6.0-inch	6.7-inch
Resolution
2340x1080px, 19.5:9 ratio, 432 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
AMOLED	Super AMOLED Plus
Refresh rate
	60Hz
Screen-to-body
83.96 %	87.24 %
Colors
16 777 216
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 712 SDM712 (10 nm)	Qualcomm Snapdragon 730 SM7150-AA (8 nm)
Processor
Octa-core 2300 MHz Kryo 360	Octa-core 2200 MHz Kryo 470
GPU
Adreno 616	Adreno 618
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB	128GB, available to use: 106.1 GB
Storage expansion
	microSDXC up to 512 GB
OS
Android (9.0 Pie)	Android (12, 11, 10), Samsung One UI

Battery

Capacity
3070 mAh	4500 mAh
Type
	Li - Polymer
Charging
	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 59min

Browsing

11h 32min

Video

11h 38min

Gaming

12h 46min

Learn more on our PhoneArena Battery Test Results page

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	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" 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	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm
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 Focal Length: 25 mm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
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), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) EIS
Front
20 MP (HDR)	32 MP (HDR), Video capture: 1920x1080 (Full HD)

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, Hall (for flip covers)
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

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
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

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), 13(700 c), 17(700 b), 20(800 DD), 28(700 APT), 66(AWS-3)
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

Availability

Officially announced
Feb 20, 2019	Dec 12, 2019

Alternative variants

with 8 GB RAM

RAM	8GB

Links

Full specifications
Xiaomi Mi 9 SE Specs	Samsung Galaxy A71 Specs
PhoneArena Review
	Samsung Galaxy A71 Review
User Reviews
	Samsung Galaxy A71 User Reviews