Google Pixel 4a vs Xiaomi Redmi Note 8 2021 Specs Comparison

Availability

Officially announced
Aug 03, 2020	May 24, 2021
Prices (MSRP)
$349

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, 82.53% screen-to-body	6.3-inch, 81.89% screen-to-body
Type
OLED, 60Hz, HDR	IPS LCD, 60Hz
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	2340x1080px, 19.5:9 ratio, 409 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
2 (Good)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
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
Memory
6GB (LPDDR4)/128GB (UFS 2.1)	4GB (LPDDR4)/64GB (eMMC 5.1) 4GB/128GB
Storage expansion
not expandable	microSDXC up to 128 GB
OS
Android (12, 11, 10)	Android (11)

Battery

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

PhoneArena Battery Tests

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

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
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS	1080p (30 fps), 720p (120 fps)
Front
8 MP Video capture: 1080p	13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.1	5.2
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, Cell ID, Wi-Fi positioning
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, 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
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, 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

Alternative variants

With 128GB internal stotrage

Memory	128GB

Discover more

Full Specs Google Pixel 4a Specs PA Review Google Pixel 4a Review

Full Specs Xiaomi Redmi Note 8 2021 Specs