Xiaomi Mi Mix 3 vs Xiaomi Redmi Note 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.

8.9
Xiaomi Mi Mix 3
8.5
Xiaomi Redmi Note 9
Xiaomi Mi Mix 3 Xiaomi Redmi Note 9
Released · Nov 01, 2018
Released · May 12, 2020
6.4-inch · 2340x1080px
6.5-inch · 2340x1080px
Dual camera
Quad camera
8GB · 256GB
3GB · 64GB
3200 mAh
5020 mAh

Availability

Officially announced
Oct 25, 2018 Apr 30, 2020

Design

Dimensions
6.22 x 2.94 x 0.33 inches
157.89 x 74.69 x 8.46 mm
6.39 x 3.04 x 0.35 inches
162.3 x 77.2 x 8.9 mm
Weight
7.69 oz (218.0 g) 7.02 oz (199.0 g)
Materials
Back: Ceramic
Frame: Aluminum
Frame: Plastic
Resistance
Splash
Biometrics
2D Face unlock, Fingerprint (touch) Fingerprint (touch)
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Green, Blue Forest green, Polar white, Midnight gray

Display

Size
6.4-inch, 84.96% screen-to-body 6.5-inch, 83.52% screen-to-body
Type
Super AMOLED, HDR, 600 nits IPS LCD
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2340x1080px, 19.5:9 ratio, 395 PPI
Protection
Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 845 SDM845 (10 nm) MediaTek Helio G85 (12 nm)
Processor
Octa-core
2800 MHz
Kryo 385
Octa-core
2000 MHz
Arm Cortex-A75 and ArmCortex-A55
GPU
Adreno 630 Mali G52 MC2
Memory
8GB (LPDDR4)/256GB
6GB/256GB
8GB/256GB
10GB/256GB
3GB (LPDDR4)/64GB (eMMC 5.1)
4GB/128GB
Storage expansion
not expandable microSDXC up to 128 GB
OS
Android (9.0 Pie) Android (10)

Battery

Type
3200 mAh, Li - Polymer 5020 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 4+
Qi wireless 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

Camera

Rear
Dual camera Quad camera
Main camera
12.2 MP (OIS, PDAF)
Aperture size: F1.8
Sensor size: 1/2.55"
Pixel size: 1.4 μm
48 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
12 MP (Telephoto)
Optical zoom: 2.0x
Sensor size: 1/3.4"
Pixel size: 1 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.2 μm
Third camera
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
Dual LED LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps)
Time-lapse video, EIS, Video calling, Video sharing
1080p (30 fps), 720p (120 fps)
Front
24 MP (Dual-Camera, Flash, HDR) 13 MP (HDR)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
MIMO, 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 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, 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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66 1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
34, 38, 39, 40, 41 38, 40, 41
3G Bands
6, 5, 8, 4, 3, 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
HD Voice
Yes
VoLTE
Yes Yes

Alternative variants

with 6 GB RAM
Memory 6GB
Colors Black
with 128GB storage
Memory 4GB/128GB
with 256 GB storage
Memory 256GB
Colors Black
Forbidden City Special Edition
Memory 10GB
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