Google Pixel 4a vs Xiaomi 12X Specs Comparison

Availability

Officially announced
Aug 03, 2020	Mar 15, 2022
Prices (MSRP)
$349

Design

Dimensions
5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm	6.01 x 2.75 x 0.32 inches 152.7 x 69.9 x 8.16 mm
Weight
5.04 oz / 143.0 g	6.21 oz / 176.0 g
Materials
Back: Plastic Frame: Plastic	Back: Glass Frame: Aluminum
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Just black	Grey, Purple, Blue

Display

Size
5.8-inch, 82.53% screen-to-body	6.3-inch, 89.30% screen-to-body
Type
OLED, 60Hz, HDR	AMOLED, 120Hz, HDR, 1100 nits
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	2400x1080px, 20:9 ratio, 419 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass Victus

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)	Snapdragon 870 SM8250-AC (7 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 1x3.20GHz Kryo 585 3x2.42GHz Kryo 585 4x1.80GHz Kryo 585
GPU
Adreno 618	Adreno 650
Memory
6GB (LPDDR4)/128GB (UFS 2.1)	8GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB
Storage expansion
not expandable	not expandable
OS
Android (12, 11, 10)	Android (11)

Battery

Type
3140 mAh, Li - Polymer	4500 mAh
Charging
USB Power Delivery	Fast charging
Charge speed
Wired: 18.0W	Wired: 67.0W

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	Triple 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	50 MP (OIS, PDAF) Aperture size: F1.9 Pixel size: 1.0 μm
Second camera
	13 MP (Ultra-wide) Aperture size: F2.4
Third camera
	5 MP (Telephoto, Macro) Focal Length: 50 mm
Flash
LED	Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS	8K UHD (24 fps), 4K UHD (30 fps), 1080p (960 fps) EIS
Front
8 MP Video capture: 1080p	32 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.1	5.1
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,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
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, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC	NFC, Infrared

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
aptX, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
	n1, n3, n5, n8, n20, n28, n38, n40, n41, n66, n77, SA, NSA
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, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41	38, 39, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 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
Dual SIM
Yes	Yes
SIM type
Nano SIM, eSIM	Dual Nano SIM

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 256GB internal storage

Memory	256GB

Discover more

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

Full Specs Xiaomi 12X Specs