Xiaomi Mi A1 vs Google Pixel 3a

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Display

Display size

5.5 inches
5.6 inches

Resolution

1080 x 1920 pixels
1080 x 2220 pixels

Pixel density

401 ppi
444 ppi

Technology

IPS LCD
OLED

Screen-to-body ratio

70.87 %
73.93 %

Peak brightness

450 cd/m2 (nit)
 

Features

Oleophobic coating, Ambient light sensor, Proximity sensor
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor

Camera

Rear

Dual camera
Single camera

Main camera

12 megapixels
12.2 megapixels

Hardware Features

Phase detection autofocus
Optical image stabilization, Phase detection autofocus

Specifications

Aperture size: F2.2; Focal length: 26 mm; Pixel size: 1.25 μm
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera

12 megapixels
 

Hardware Features

Telephoto, Autofocus
 

Specifications

Optical zoom: 2x; Aperture size: F2.6; Focal Length: 50 mm; Pixel size: 1 μm
 

Flash

Dual LED
Dual LED

Video recording

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

Features

Video calling, Video sharing
Optical image stabilization, Digital image stabilization, Video calling, Video sharing

Front

5 megapixels
8 megapixels

Design

Dimensions

6.12 x 2.98 x 0.29 inches (155.4 x 75.8 x 7.3 mm)
5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)

Weight

5.82 oz (165 g)
the average is 6 oz (172 g)
5.19 oz (147 g)
the average is 6 oz (172 g)

Materials

Back: Metal
Back: Plastic

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Black, Gold, Pink
Black, Purple, White

Hardware & Performance

System chip

Qualcomm Snapdragon 625 8953
Qualcomm Snapdragon 670 SDM670

Processor

Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm

GPU

Adreno 506
Adreno 615

RAM

4 GB
4 GB

Internal storage

64 GB
64 GB, not expandable

Storage expansion

up to 256 GB
 

OS

Android (9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat)
Android (9.0 Pie)

Battery

Capacity

3080 mAh
3000 mAh

Charging

Yes
USB Power Delivery

Cellular

LTE (FDD)

Bands 1, 3, 5
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66

LTE (TDD)

Bands 40, 41
Bands 38, 40, 41

UMTS

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

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

CDMA

 
800, 1900 MHz

Data

LTE, 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

HD Voice

 
Yes

Connectivity

Bluetooth

4.2
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band

USB

Yes
USB 2.0

Connector

USB Type-C (reversible)
USB Type-C (reversible)

Features

Mass storage device, USB charging
Mass storage device

Location

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

Other

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

Phone features

Sensors

Accelerometer, Gyroscope, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Barometer

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration

Hearing aid compatibility

 
M3, T3

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Speakers

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

 
Feb 25, 2019

 
FCC ID value: A4RG020G link

FCC measured SAR

 
 

Head

 
1.15 W/kg

Body

 
1.13 W/kg

Simultaneous Transmission

 
1.59 W/kg

Wireless Router

 
1.19 W/kg

Shopping information

In The Box

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

MSRP price

 
$ 399
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