Xiaomi MI A3 vs. OPPO A53

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI A3 and OPPO A53. 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 A3 vs. OPPO A53 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A3 OPPO A53
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2127
Form Factor Touch Touch
Height 153.48 mm 163.9 mm OPPO A53 has greater height than Xiaomi MI A3.
Width 71.85 mm 75.1 mm OPPO A53 has greater width than Xiaomi MI A3.
Depth 8.475 mm 8.4 mm OPPO A53 is narrower than Xiaomi MI A3.
Weight 173.8 g 186 g Xiaomi MI A3 is lighter than Xiaomi MI A3.
Body Colour Kind of grey Electric black
Body Material Corning Gorilla Glass 5 -
Waterproof (Water-resistant) - -
SAR Value 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) 0.93 W/kg (body), 0.77 W/kg (head), 2.78 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI A3 OPPO A53
Display Type OLED display LCD display
Display Technology AMOLED LCD
Screen Size (Display Size) 6.088" 6.5" OPPO A53 has larger screen size than Xiaomi MI A3.
Screen Resolution (Display Resolution) 1560 x 720 pixels 1600 x 720 pixels OPPO A53 has better screen resolution than Xiaomi MI A3.
Display Format HD+ HD+
Pixel Density - 269 ppi
Aspect Ratio 19.5:9 20:9
Max Brightness - 480 cd/m²
Contrast Ratio 60000:1 1500:1 Xiaomi MI A3 has better display contrast ratio than OPPO A53.
Display Refresh Rate - 90 Hz
Touch Sampling Rate - 120 Hz
Display Features 2.5D Glass, Dot Drop display -
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi MI A3 OPPO A53
Processor Type (CPU) Qualcomm Snapdragon 665 Qualcomm Snapdragon 460
Clock Speed 2 GHz 1.8 GHz Xiaomi MI A3 has higher clock speed than OPPO A53.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes OPPO A53 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 610 Qualcomm ADRENO 610
MEMORY Xiaomi MI A3 OPPO A53
RAM LPDDR4X SDRAM - 4 GB LPDDR4X SDRAM - 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
Memory Interface - UFS 2.1
Supported Flash Memory Cards (Expandable Memory) Up to 256 GB microSDHC, microSD, microSDXC - up to 256 GB
CAMERA Xiaomi MI A3 OPPO A53
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 48 Megapixel 13 Megapixel Xiaomi MI A3 has better camera resolution than OPPO A53.
Sensor Size 1/2" 1/3.06" OPPO A53 has better camera sensor size than Xiaomi MI A3.
Sensor Name - Omnivision OV13B sensor
Lens Aperture F/1.79 F/2.2 Xiaomi MI A3 has better lens aperture than Xiaomi MI A3.
Lens Construction 6-element 5-element
Pixel Size 1.6 μm -
Focus Adjustment Automatic Automatic
Digital Zoom - 6x
Camera Modes AI portrait mode Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0
Light Source Flash LED flash
Still Image Resolutions - 4160 x 3120
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps -
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes AI Beautify, AI Quad camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel Xiaomi MI A3 has better second camera resolution than OPPO A53.
Sensor Name (2nd Camera) - GalaxyCore GC02M1B sensor
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 Xiaomi MI A3 has better second camera lens aperture than Xiaomi MI A3.
Field of View (2nd Camera) 118 degree(s) -
Camera Functions (2nd Camera) - Depth camera
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 2 Megapixel Both phones have the same third camera resolution.
Sensor Name (3rd Camera) - GalaxyCore GC02K0 sensor
Lens Aperture (3rd Camera) - F/2.4
Lens Element Qty (3rd Camera) - 3-element
Camera Functions (3rd Camera) Depth camera Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 8 Megapixel Xiaomi MI A3 has better front camera resolution than OPPO A53.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) 5-element 5-element
Field of View (Front) 79 degree(s) -
Pixel Size (Front) 1.6 μm -
Focus Adjustment Focus free -
Camera Modes (Front) Selfie panorama, AI portrait mode, AI Beautify -
Still Image Resolutions (Front) - 3264 x 2448
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Front) 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock -
BATTERY AND CHARGING Xiaomi MI A3 OPPO A53
Battery Capacity (Battery Size) 4030 mAh 5000 mAh OPPO A53 has larger battery capacity than Xiaomi MI A3.
Fast Charging Technology Qualcomm Quick Charge 3.0 - Xiaomi MI A3 has fast charging technology.
CELLULAR Xiaomi MI A3 OPPO A53
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - ColorOS 7.2 (based on Android 10)
Intelligent Assistant Google Assistant -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI A3 OPPO A53
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 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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, FDD 700 APT, TDD 2600, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
Bluetooth Profiles - SBC
Messaging Services SMS, MMS -
MEDIA Xiaomi MI A3 OPPO A53
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB AAC, LDAC, apt-X HD
Supported Digital Video Standards MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 -
FEATURES Xiaomi MI A3 OPPO A53
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor -
Security Devices Fingerprint reader (under display) Fingerprint reader
Additional Phone Features AI face unlock Fast Charging, HyperBoost, Smart Sidebar
OTHERS Xiaomi MI A3 OPPO A53
Included Accessories Power adapter, SIM card removal tool, USB-C cable, soft case Headphones, screen protection film, USB cable, power adapter, SIM card removal tool
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