Xiaomi Mi 9 vs Xiaomi Poco X2 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
Xiaomi Mi 9 Xiaomi Poco X2
Released · Mar 06, 2019
Released · Feb 11, 2020
6.4-inch
6.7-inch
Triple camera
Quad camera
6GB · 128GB
6GB · 64GB
3300 mAh
4500 mAh

Design

Dimensions
6.20 x 2.94 x 0.30 inches
157.5 x 74.67 x 7.61 mm
6.51 x 3.02 x 0.35 inches
165.3 x 76.6 x 8.8 mm
Weight
6.10 oz (173.0 g) 7.34 oz (208.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Metal
Back: Glass (Corning Gorilla Glass 5)
Frame: Plastic
Resistance
Splash
Biometrics
Optical in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue Matrix purple, Phoenix red, Atlantis blue

Display

Size
6.4-inch 6.7-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2400x1080px, 20:9 ratio, 395 PPI
Technology
AMOLED IPS LCD
Refresh rate
120Hz
Screen-to-body
85.23 % 84.68 %
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855 (7 nm) Qualcomm Snapdragon 730G SM7150-AB (8 nm)
Processor
Octa-core
2840 MHz
Kryo 485
Octa-core
2200 MHz
Kryo 470
GPU
Adreno 640 Adreno 618
RAM
6GB (LPDDR4) 6GB (LPDDR4)
Internal storage
128GB 64GB
Storage expansion
not expandable microSDXC
OS
Android (9.0 Pie), Xiaomi MI UI Android (11, 10), Xiaomi MI UI

Battery

Capacity
3300 mAh 4500 mAh
Type
Li - Polymer
Charging
Qualcomm Quick Charge 4+, Qi wireless charging Qualcomm Quick Charge 4+

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
64 MP (PDAF)
Aperture size: F1.9
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
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
Focal Length: 13 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
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
2 MP (Macro, Autofocus)
Aperture size: F2.4
Sensor size: 1/5"
Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.75 μm
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
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
EIS
Front
20 MP (HDR), Video capture: 1920x1080 (Full HD) 20 MP (Dual-Camera, 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 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, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync Infrared

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
aptX-HD
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM

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), 3(1800), 5(850), 8(900)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300) Bands 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
VoLTE
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 27W Fast Charger, USB cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced
Feb 20, 2019 Feb 04, 2020

Alternative variants

with 64 GB storage
Internal storage 64GB
with 128GB storage
Internal storage 128GB
Explorer Edition
RAM 12GB
Internal storage 256GB
with 256GB storage
RAM 8GB
Internal storage 256GB
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