Google Pixel 4a vs Xiaomi Redmi Note 9 Pro 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.

9.1
Google Pixel 4a
8.5
Xiaomi Redmi Note 9 Pro
Google Pixel 4a Xiaomi Redmi Note 9 Pro
Released · Aug 20, 2020
Released · May 05, 2020
5.8-inch · 2340x1080px
6.7-inch · 2400x1080px
Single camera
Quad camera
6GB · 128GB
6GB · 64GB
3140 mAh
5020 mAh
Check prices

Availability

Officially announced
Aug 03, 2020 Apr 30, 2020
Prices (MSRP)
$349

Design

Dimensions
5.67 x 2.73 x 0.32 inches
144 x 69.4 x 8.2 mm
6.53 x 3.02 x 0.35 inches
165.8 x 76.7 x 8.8 mm
Weight
5.04 oz (143.0 g) 7.37 oz (209.0 g)
Materials
Back: Plastic
Frame: Plastic
Back: Glass (Corning Gorilla Glass 5)
Frame: Plastic
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Just black Interstellar gray, Tropical green, Glacier white

Display

Size
5.8-inch, 82.53% screen-to-body 6.7-inch, 84.42% screen-to-body
Type
OLED, 60Hz, HDR IPS LCD
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI 2400x1080px, 20:9 ratio, 395 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 730G SM7150-AA (8 nm) Snapdragon 720G SM7125 (8 nm)
Processor
Octa-core
2200 MHz
Kryo 470
Octa-core
2300 MHz
Kryo 465
GPU
Adreno 618 Adreno 618
Memory
6GB (LPDDR4)/128GB (UFS 2.1) 6GB (LPDDR4)/64GB (UFS 2.1)
6GB/128GB
Storage expansion
not expandable microSDXC up to 512 GB
OS
Android (12, 11, 10) Android (10)

Battery

Type
3140 mAh, Li - Polymer 5020 mAh, Li - Polymer
Charging
USB Power Delivery Fast charging
Charge speed
Wired: 18.0W Wired: 30.0W
PhoneArena Battery Tests
Battery Life Estimate
4h 15min
Browsing
9h 27min
Video
6h 48min
Gaming
4h 51min
Battery Life Estimate
Untested
Browsing
Untested
Video
12h 17min
Gaming
10h 56min

Camera

Rear
Single camera Quad camera
Main camera
12.2 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 27 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
64 MP (PDAF)
Aperture size: F1.9
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Macro, Autofocus)
Aperture size: F2.4
Sensor size: 1/5"
Pixel size: 1.12 μm
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Sensor size: 1/5"
Pixel size: 1.75 μm
Flash
LED Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
EIS
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)
Front
8 MP
Video capture: 1080p
16 MP (HDR, Slow-motion videos)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.1 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, USB 3.1 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC NFC, Infrared

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
aptX, aptX-HD
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 39, 40, 41 38, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM, eSIM Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020
FCC ID value: A4RG025J
Measured SAR
Head: 1.18 W/kg
Body: 1.19 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.00 W/kg

Alternative variants

with 128GB storage
Memory 128GB
FCC OKs Cingular\'s purchase of AT&T Wireless