Xiaomi MI A2 vs. Xiaomi Redmi 12

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI A2 and Xiaomi Redmi 12. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Xiaomi MI A2 vs. Xiaomi Redmi 12 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A2 Xiaomi Redmi 12
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 158.7 mm 168.6 mm Xiaomi Redmi 12 has greater height than Xiaomi MI A2.
Width 75.4 mm 76.28 mm Xiaomi Redmi 12 has greater width than Xiaomi MI A2.
Depth 7.3 mm 8.17 mm Xiaomi MI A2 is narrower than Xiaomi MI A2.
Weight 168 g 198.5 g Xiaomi MI A2 is lighter than Xiaomi MI A2.
Body Colour Black | Lake blue | Gold Midnight black
Body Material Metal -
Protection - Spill-resistant, dust-resistant
Waterproof (Water-resistant) - - Xiaomi Redmi 12 is waterproof.
IP rating - IP53
SAR Value 0.639 W/kg (body), 0.963 W/kg (head) -
Integrated Components - FM radio
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Xiaomi MI A2 Xiaomi Redmi 12
Display Type LCD display -
Display Technology IPS -
Screen Size (Display Size) 5.99" 6.79" Xiaomi Redmi 12 has larger screen size than Xiaomi MI A2.
Screen Resolution (Display Resolution) 2160 x 1080 pixels 2460 x 1080 pixels Xiaomi Redmi 12 has better screen resolution than Xiaomi MI A2.
Display Format Full HD+ Full HD+
Pixel Density 403 ppi 396 ppi Xiaomi MI A2 has better pixel density than Xiaomi Redmi 12.
Aspect Ratio 18:9 -
Max Brightness - 550 cd/m²
Contrast Ratio 1500:1 1500:1 Both phones have the same display contrast ratio.
Display Enhancement Technology - Reading mode 3.0
Display Refresh Rate - 90 Hz
Display Features 2.5D curved glass Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi MI A2 Xiaomi Redmi 12
Processor Type (CPU) Qualcomm Snapdragon 660 MediaTek Helio G88
Clock Speed 2.2 GHz 2 GHz Xiaomi MI A2 has higher clock speed than Xiaomi Redmi 12.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - ARM Mali-G52
MEMORY Xiaomi MI A2 Xiaomi Redmi 12
RAM 4 GB LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Xiaomi Redmi 12 has more internal memory than Xiaomi MI A2.
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Xiaomi MI A2 Xiaomi Redmi 12
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 20 Megapixel 50 Megapixel Xiaomi Redmi 12 has better camera resolution than Xiaomi MI A2.
Sensor Size 1/2.8" -
Sensor Name Sony Exmor RS IMX376 sensor -
Lens Aperture F/1.75 F/1.8 Xiaomi MI A2 has better lens aperture than Xiaomi MI A2.
Focus Adjustment Automatic Automatic
Special Effects HDR, Beautify 4.0 -
Camera Modes Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty -
Face Recognition (Face ID) Face recognition - Xiaomi MI A2 has face detection.
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 720 x 480 (480p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Xiaomi MI A2 has better second camera resolution than Xiaomi Redmi 12.
Sensor Size (2nd Camera) 1/2.9" -
Sensor Name (2nd Camera) Sony Exmor RS IMX486 sensor -
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) F/1.75 F/2.2 Xiaomi MI A2 has better second camera lens aperture than Xiaomi MI A2.
Field of View (2nd Camera) - 120 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 8 Megapixel Xiaomi MI A2 has better front camera resolution than Xiaomi Redmi 12.
Sensor Name (Front) Sony Exmor RS IMX376 sensor -
Lens Aperture (Front) F/2.2 F/2.1 Xiaomi Redmi 12 has better front lens aperture than Xiaomi MI A2.
Focus Adjustment Automatic -
Face Recognition (Face ID) Face recognition - Xiaomi MI A2 has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) AI-powered portrait mode -
BATTERY AND CHARGING Xiaomi MI A2 Xiaomi Redmi 12
Battery Capacity (Battery Size) 3010 mAh 5000 mAh Xiaomi Redmi 12 has larger battery capacity than Xiaomi MI A2.
Fast Charging Technology Qualcomm Quick Charge 3.0 - Xiaomi MI A2 has fast charging technology.
Standby Time - 552 hours
Talk Time - 2220 minutes
Run Time Details - Talk: up to 2220 min
Standby: up to 552 hrs
Playback (video): up to 16 hrs
Reading: up to 26 hrs
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI A2 Xiaomi Redmi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android One Android 13
User Interface - MIUI 14
Intelligent Assistant Google Assistant -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI A2 Xiaomi Redmi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.3
NFC - Yes Xiaomi Redmi 12 has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI A2 Xiaomi Redmi 12
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB -
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP -
FEATURES Xiaomi MI A2 Xiaomi Redmi 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, vibration sensor Accelerometer, digital compass
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Wi-Fi Miracast, AI Engine Fast Charging, IR blaster
OTHERS Xiaomi MI A2 Xiaomi Redmi 12
Included Accessories USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - IP53, SGS Low Blue Light Certification
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