Xiaomi Mi 9 vs Xiaomi Redmi 9 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

8.7
Xiaomi Mi 9
5.0
Xiaomi Redmi 9
Xiaomi Mi 9 Xiaomi Redmi 9
Released · Mar 06, 2019
Released · Jun 18, 2020
6.4-inch · 2340x1080px
6.5-inch · 2340x1080px
Triple camera
Quad camera
6GB · 128GB
3GB · 32GB
3300 mAh
5020 mAh
Check prices Check prices

Design

Dimensions
6.20 x 2.94 x 0.30 inches
157.5 x 74.67 x 7.61 mm
6.43 x 3.03 x 0.36 inches
163.32 x 77.01 x 9.1 mm
Weight
6.10 oz (173.0 g) 6.98 oz (198.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Metal
Biometrics
Optical in-screen fingerprint 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue Carbon gray, Sunset purple, Ocean green

Display

Size
6.4-inch 6.5-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2340x1080px, 19.5:9 ratio, 395 PPI
Technology
AMOLED IPS LCD
Screen-to-body
85.23 % 83.27 %
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855 (7 nm) MediaTek Helio G80 (12 nm)
Processor
Octa-core
2840 MHz
Kryo 485
Octa-core
2000 MHz
Arm Cortex-A75 and Arm Cortex-A55
GPU
Adreno 640 Mali G52 MC2
RAM
6GB (LPDDR4) 3GB (LPDDR4)
Internal storage
128GB 32GB (eMMC 5.1)
Storage expansion
not expandable microSDXC
OS
Android (9.0 Pie), Xiaomi MI UI Android

Battery

Capacity
3300 mAh 5020 mAh
Charging
Qualcomm Quick Charge 4+, Qi wireless charging Qualcomm Quick Charge 3.0
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
9h 15min
Gaming
7h 3min

Camera

Rear
Triple camera Quad camera
Main camera
48 MP (Sapphire crystal lens cover, Laser and PDAF, CMOS image sensor)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
13 MP (PDAF)
Aperture size: F2.2
Second camera
12 MP (Telephoto, Sapphire crystal lens cover, PDAF)
Optical zoom: 2.0x
Aperture size: F2.2
Focal Length: 50 mm
Sensor size: 1/3.4"
Pixel size: 1 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Third camera
16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF)
Aperture size: F2.2
Focal Length: 17 mm
Sensor size: 1/3"
Pixel size: 1 μm
5 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
Continuous autofocus, EIS, Video calling, Video sharing
1920x1080 (Full HD)
Front
20 MP (HDR), Video capture: 1920x1080 (Full HD) 8 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 b,g,n
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, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass
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
aptX-HD
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
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) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 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
HD Voice
Yes Yes
VoLTE
Yes Yes

Phone Features

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

Buyers information

In The Box
Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation 10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced
Feb 20, 2019

Alternative variants

with 64 GB storage
Internal storage 64GB
with 64GB storage
RAM 4GB
Internal storage 64GB
Explorer Edition
RAM 12GB
Internal storage 256GB
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