Galaxy S25 from Mint Mobile - $30/month

Xiaomi Mi 9 vs Google Pixel 4 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.

Comparison mode:
Specs Size
Differences only
8.7
Xiaomi Mi 9
9.0
Google Pixel 4
Xiaomi Mi 9 Google Pixel 4
Released · Mar 06, 2019
Released · Oct 24, 2019
6.4-inch · 2340x1080px
5.7-inch · 2280x1080px
Triple camera
Dual camera
6GB · 128GB
6GB · 64GB
3300 mAh
2800 mAh
Check prices

Availability

Officially announced
Feb 20, 2019 Oct 15, 2019
Prices (MSRP)
$799

Design

Dimensions
6.20 x 2.94 x 0.30 inches
157.5 x 74.67 x 7.61 mm 		5.79 x 2.71 x 0.32 inches
147.1 x 68.8 x 8.2 mm
Weight
6.10 oz (173.0 g) 5.71 oz (162.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Metal 		Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Optical in-screen fingerprint 3D Face unlock
Keys
Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue Just black, Clearly white, Oh so orange

Display

Size
6.4-inch, 85.23% screen-to-body 5.7-inch, 77.32% screen-to-body
Type
AMOLED, HDR, 600 nits OLED, 90Hz, HDR
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2280x1080px, 19:9 ratio, 443 PPI
Protection
Corning Gorilla Glass 6 Corning Gorilla Glass 5
Features
HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Snapdragon 855 (7 nm) Snapdragon 855 SM8150 (7 nm)
Processor
Octa-core
2840 MHz
Kryo 485 		Octa-core
2840 MHz
Kryo 485
GPU
Adreno 640 Adreno 640
Memory
6GB (LPDDR4)/128GB
6GB/64GB
12GB/256GB 		6GB (LPDDR4)/64GB
6GB/128GB
Storage expansion
not expandable not expandable
OS
Android (9.0 Pie) Android (12, 11, 10)

Battery

Type
3300 mAh 2800 mAh
Charging
Qualcomm Quick Charge 4+
Qi wireless charging 		USB Power Delivery
Qi wireless charging

Camera

Rear
Triple camera Dual 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 		12.2 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 28 mm
Sensor size: 1/2.55"
Pixel size: 1.4 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 		16 MP (Telephoto, OIS, PDAF)
Aperture size: F2.4
Focal Length: 45 mm
Pixel size: 1 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
Flash
Dual LED Dual LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps)
Continuous autofocus, EIS, Video calling, Video sharing 		4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
OIS, Time-lapse video, EIS
Front
20 MP (HDR)
Video capture: 1080p 		8 MP (Dual-Camera, Time-of-Flight (ToF))
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
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
aptX-HD aptX-HD
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, 17, 20, 28 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40 38, 39, 40, 41, 46, 48
3G Bands
5, 8, 4, 2, 1 1, 2, 4, 5, 8
Data Speed
LTE-A, HSPA, HSUPA LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM, eSIM
HD Voice
Yes
VoLTE
Yes

Phone Features

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

Regulatory Approval

FCC approval
Date approved: Sep 03, 2019
FCC ID value: A4RG020I
Measured SAR
Head: 1.20 W/kg
Body: 1.34 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.01 W/kg

Alternative variants

with 64 GB storage
Memory 64GB
with 128 GB storage
Memory 128GB
Prices (MSRP) $899
Explorer Edition
Memory 12GB/256GB
for Europe
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71
FCC OKs Cingular\'s purchase of AT&T Wireless