Xiaomi Mi 9 SE vs Xiaomi Redmi Note 9 Specs Comparison

Availability

Officially announced
Feb 20, 2019	Apr 30, 2020

Design

Dimensions
5.81 x 2.78 x 0.29 inches 147.5 x 70.5 x 7.45 mm	6.39 x 3.04 x 0.35 inches 162.3 x 77.2 x 8.9 mm
Weight
5.47 oz (155.0 g)	7.02 oz (199.0 g)
Materials
	Frame: Plastic
Resistance
	Splash
Biometrics
2D Face unlock, Optical in-screen fingerprint	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue	Forest green, Polar white, Midnight gray

Display

Size
6.0-inch, 83.96% screen-to-body	6.5-inch, 83.52% screen-to-body
Type
AMOLED, HDR, 600 nits	IPS LCD
Resolution
2340x1080px, 19.5:9 ratio, 432 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Colors
16 777 216
Protection
Corning Gorilla Glass	Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 712 SDM712 (10 nm)	MediaTek Helio G85 (12 nm)
Processor
Octa-core 2300 MHz Kryo 360	Octa-core 2000 MHz Arm Cortex-A75 and ArmCortex-A55
GPU
Adreno 616	Mali G52 MC2
Memory
6GB (LPDDR4)/128GB	3GB (LPDDR4)/64GB (eMMC 5.1) 4GB/128GB
Storage expansion
	microSDXC up to 128 GB
OS
Android (9.0 Pie)	Android (10)

Battery

Type
3070 mAh	5020 mAh, Li - Polymer
Charging
	Fast charging Reverse wired charging
Charge speed
	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

10h 43min

Gaming

7h 34min

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	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" 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 Sensor size: 1/4" Pixel size: 1.2 μm
Third camera
8 MP (Telephoto, Autofocus) Aperture size: F2.4 Sensor size: 1/4" Pixel size: 1.12 μm	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
	2 MP Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.7 μm
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps) EIS, Video calling, Video sharing	1080p (30 fps), 720p (120 fps)
Front
20 MP (HDR)	13 MP (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 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared

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
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
34, 38, 39, 40, 41	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 4, 5, 8
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	Yes

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Alternative variants

with 128GB storage

Memory	4GB/128GB

Links

Full specifications
Xiaomi Mi 9 SE Specs	Xiaomi Redmi Note 9 Specs
PhoneArena Review
	Xiaomi Redmi Note 9 Review
User Reviews
	Xiaomi Redmi Note 9 User Reviews