Google Pixel 4a vs Xiaomi Redmi Note 8 2021 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	Xiaomi Redmi Note 8 2021
Released · Aug 20, 2020	Released · May 27, 2021
5.8-inch · 2340x1080px	6.3-inch · 2340x1080px
Single camera	Quad camera
6GB · 128GB	4GB · 64GB
3140 mAh	4000 mAh
Check prices	Check prices

Design

Dimensions
5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm	6.23 x 2.96 x 0.33 inches 158.3 x 75.3 x 8.35 mm
Weight
5.04 oz (143.0 g)	6.70 oz (190.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass Frame: Plastic
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Just black	Neptune Blue, Moonlight White, Space Black,

Display

Size
5.8-inch	6.3-inch
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	2340x1080px, 19.5:9 ratio, 409 PPI
Technology
OLED	IPS LCD
Refresh rate
60Hz	60Hz
Screen-to-body
82.53 %	81.89 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730G SM7150-AA (8 nm)	MediaTek Helio G85 MT6769Z (12 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 2000 MHz Cortex-A75
GPU
Adreno 618	Mali G52 MC2
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB (UFS 2.1)	64GB (eMMC 5.1)
Storage expansion
not expandable	microSDXC up to 128 GB
OS
Android (12, 11, 10)	Android (11), MIUI 12.5 UI

Battery

Capacity
3140 mAh	4000 mAh
Type
Li - Polymer	Li - Polymer
Charging
USB Power Delivery	Fast charging
Charge speed
Wired: 18.0W	Wired: 18.0W

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

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	48 MP (Autofocus) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
	2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) EIS	1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
Front
8 MP, Video capture: 1920x1080 (Full HD)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.1	5.2
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 3.1	Type-C, USB 2.0
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass
Other
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(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)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 40(2300)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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, HSPA
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

Buyers information

MSRP
$ 349
In The Box
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool	Adapter, USB Type-C cable, SIM Eject Tool, Protective Case, Quick Start Guide, Warranty Card

Availability

Officially announced
Aug 03, 2020	May 24, 2021

Alternative variants

With 128GB internal stotrage


Internal storage	128GB

Links

Full specifications
Google Pixel 4a Specs	Xiaomi Redmi Note 8 2021 Specs
PhoneArena Review
Google Pixel 4a Review
User Reviews
Google Pixel 4a User Reviews