Xiaomi Mi 9 vs Xiaomi Mi 9 SE vs Google Pixel 4a - specs comparison

Display

Size:

6.4 inches

6.0 inches

5.8 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

2340 x 1080 pixels, 19.5:9 ratio, 432 PPI

2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

AMOLED

OLED

Screen-to-body:

85.23 %

83.96 %

82.53 %

Colors:

16 777 216

Peak brightness:

600 cd/m2 (nit)

Features:

HDR video support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

HDR video support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

60Hz refresh rate, HDR video support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855

Qualcomm Snapdragon 712 SDM712

Qualcomm Snapdragon 730 SM7150-AA

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm

Octa-core, 2300 MHz, Kryo 360, 64-bit, 10 nm

Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 640

Adreno 616

Adreno 618

RAM:

6GB LPDDR4

Internal storage:

128GB, not expandable

128GB

128GB, not expandable

Device type:

Smartphone

OS:

Android (9.0 Pie), Xiaomi MI UI

Android (9.0 Pie)

Android (11, 10)

Battery

Capacity:

3300 mAh

3070 mAh

3140 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Qualcomm Quick Charge 4+, Qi wireless charging

USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Triple camera

Single camera

Main camera:

48 MP (Sapphire crystal lens cover, Laser and PDAF, CMOS image sensor)

48 MP (PDAF)

12.2 MP (OIS, PDAF)

Specifications:

F1.8; 26 mm; 1/2"; 0.8 μm

F1.7; 27 mm; 1/2.55"; 1.4 μm

Second camera:

12 MP (Telephoto, Sapphire crystal lens cover, PDAF)

13 MP (Ultra-wide, PDAF)

Specifications:

Optical zoom: 2x; Aperture size: F2.2; Focal Length: 50 mm; Sensor size: 1/3.4"; Pixel size: 1 μm

Aperture size: F2.4; Sensor size: 1/3.06"; Pixel size: 1.12 μm

Third camera:

16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF)

8 MP (Telephoto, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/3"; Pixel size: 1 μm

Aperture size: F2.4; Sensor size: 1/4"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Continuous autofocus, EIS, Video calling, Video sharing

EIS, Video calling, Video sharing

EIS

Front:

20 MP (HDR)

8 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.20 x 2.94 x 0.30 inches (157.5 x 74.67 x 7.61 mm)

5.81 x 2.78 x 0.29 inches (147.5 x 70.5 x 7.45 mm)

5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

6.10 oz (173.0 g)

5.47 oz (155.0 g)

5.04 oz (143.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Metal

Back: Plastic; Frame: Plastic

Biometrics:

In-screen fingerprint

2D Face unlock, In-screen fingerprint

Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Black, Purple, Blue

Just black

Cellular

LTE (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), 7(2600), 8(900)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300)

Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

850, 900, 1700/2100, 1900, 2100 MHz

850, 900, 1900, 2100 MHz

850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A, HSPA, HSUPA

LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM

Nano SIM, eSIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

No 3.5mm jack

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Earpiece, Multiple speakers

Features:

aptX-HD

Album art cover, Background playback

aptX, aptX-HD

Screen mirroring:

Wireless screen share

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

5.1

Wi-Fi:

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

802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0

Type-C (reversible), USB 3.1

Features:

Mass storage device, OTG, Charging, Headphones port

Mass storage device, Charging, Headphones port

Charging

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou

GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass

Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync

NFC

Hearing aid compatible:

M3, T4

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Jun 25, 2020

FCC ID value:

A4RG025J link

Measured SAR:

Head:

1.18 W/kg

Body:

1.19 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.00 W/kg

Buyers information

Price:

$ 349

In The Box:

Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation

18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

Feb 20, 2019

Aug 03, 2020