Xiaomi Mi A2 vs Xiaomi 12 Specs Comparison

Availability

Officially announced
Jul 24, 2018	Dec 28, 2021

Design

Dimensions
6.25 x 2.97 x 0.29 inches 158.7 x 75.4 x 7.3 mm	6.01 x 2.75 x 0.32 inches 152.7 x 69.9 x 8.2 mm
Weight
5.93 oz / 168.0 g	6.35 oz / 180.0 g
Materials
Back: Aluminum	Back: Glass Frame: Aluminum
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue, Red	Black, Green, Blue, Pink

Display

Size
6.0-inch, 77.32% screen-to-body	6.3-inch, 89.30% screen-to-body
Type
IPS LCD	AMOLED, 120Hz, HDR, 1100 nits
Resolution
2160x1080px, 18:9 ratio, 403 PPI	2400x1080px, 20:9 ratio, 419 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass Victus

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 660 SDM660 (14 nm)	Snapdragon 8 Gen1 SM8450 (4 nm)
Processor
Octa-core Kryo 260	Octa-core 1x3.00GHz Cortex-X2 3x2.50G​Hz Cortex-A710 4x1.8​0GHz Cortex-A510
GPU
Adreno 512	Adreno 730
Memory
6GB (LPDDR4)/128GB 4GB/32GB 4GB/64GB	8GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB 12GB/256GB
Storage expansion
	not expandable
OS
Android (10, 8.1 Oreo)	Android (12)

Battery

Type
3010 mAh, Li - Polymer	4500 mAh
Charging
Qualcomm Quick Charge 3.0	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 67.0W Wireless: 50.0W

Camera

Rear
Dual camera	Triple camera
Main camera
12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.9" Pixel size: 1.25 μm	50 MP (OIS, PDAF) Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
20 MP Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1 μm	13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 12 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Third camera
	5 MP (Telephoto, Macro) Focal Length: 50 mm
Flash
LED	Dual LED
Video recording
4K UHD (30 fps), 1080p (30 fps), 720p (120 fps) Video calling, Video sharing	8K UHD (24 fps), 4K UHD (30 fps), 1080p (960 fps) EIS
Front
20 MP (Flash, HDR) Video capture: 1080p	32 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
a,b,g,n,ac,dual-band 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 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared

Discover more

Full Specs Xiaomi Mi A2 Specs PA Review Xiaomi Mi A2 Review

Full Specs Xiaomi 12 Specs

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback
Screen mirroring
	Wireless screen share
Additional microphone(s)
	Noise cancellation

Cellular

5G Bands
	n1, n3, n5, n8, n20, n28, n38, n40, n41, n66, n77, n78, n79, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
4G (TDD) Bands
38, 40	34, 38, 39, 40, 41, 42
3G Bands
2, 3, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSPA, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM

Alternative variants

with 32 GB of storage

Memory	4GB/32GB

With 256GB internal storage

Memory	256GB

with 64 GB of storage

Memory	4GB/64GB

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB