Xiaomi Redmi 9 vs Google Pixel 4a Specs Comparison

Availability

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

Design

Dimensions
6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm	5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm
Weight
6.98 oz / 198.0 g	5.04 oz / 143.0 g
Materials
	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Carbon gray, Sunset purple, Ocean green	Just black

Display

Size
6.5-inch, 83.27% screen-to-body	5.8-inch, 82.53% screen-to-body
Type
IPS LCD	OLED, 60Hz, HDR
Resolution
2340x1080px, 19.5:9 ratio, 395 PPI	2340x1080px, 19.5:9 ratio, 444 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 3
Features
Oleophobic coating

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
MediaTek Helio G80 (12 nm)	Snapdragon 730G SM7150-AA (8 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55	Octa-core 2200 MHz Kryo 470
GPU
Mali G52 MC2	Adreno 618
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB	6GB (LPDDR4)/128GB (UFS 2.1)
Storage expansion
microSDXC	not expandable
OS
Android	Android (12, 11, 10)

Battery

Type
5020 mAh	3140 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 3.0	USB Power Delivery
Charge speed
Wired: 18.0W	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Learn more on our PhoneArena Battery Test Results page

Camera

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

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n	a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 40, 41	38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM, eSIM
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 64GB storage

Memory	4GB/64GB

Discover more

Full Specs Xiaomi Redmi 9 Specs PA Review Xiaomi Redmi 9 Review

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