Xiaomi MI A1 vs. OPPO A9 2020

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI A1 and OPPO A9 2020. 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 A1 vs. OPPO A9 2020 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A1 OPPO A9 2020
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH1941
Form Factor Touch Touch
Height 155.4 mm 163.6 mm OPPO A9 2020 has greater height than Xiaomi MI A1.
Width 75.8 mm 75.6 mm Xiaomi MI A1 has greater width than OPPO A9 2020.
Depth 7.3 mm 9.1 mm Xiaomi MI A1 is narrower than Xiaomi MI A1.
Weight 165 g 195 g Xiaomi MI A1 is lighter than Xiaomi MI A1.
Body Colour Black Marine green | Space purple
Body Material Metal 3D glass
Waterproof (Water-resistant) - -
SAR Value 0.76 W/kg (body), 1.75 W/kg (head) 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb)
Integrated Components FM radio -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Handset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Xiaomi MI A1 OPPO A9 2020
Display Type LCD display LCD display
Display Technology LTPS IPS TFT
Screen Size (Display Size) 5.5" 6.5" OPPO A9 2020 has larger screen size than Xiaomi MI A1.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1600 x 720 pixels Xiaomi MI A1 has better screen resolution than OPPO A9 2020.
Display Format Full HD -
Pixel Density 403 ppi 269 ppi Xiaomi MI A1 has better pixel density than OPPO A9 2020.
Max Brightness 450 cd/m² 480 cd/m² OPPO A9 2020 has better display brightness than Xiaomi MI A1.
Colour Depth - 16.7 million colours
Contrast Ratio - 1500:1
Display Enhancement Technology - Blue light filter
Display Features 2.5D curved glass In-Cell Display Technology, Sunlight screen
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR Xiaomi MI A1 OPPO A9 2020
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 665
Clock Speed 2 GHz -
Processor Core Qty 8-core -
Graphics System (GPU) Qualcomm ADRENO 506 Qualcomm ADRENO 610
MEMORY Xiaomi MI A1 OPPO A9 2020
RAM 4 GB LPDDR4X SDRAM - 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 128 GB OPPO A9 2020 has more internal memory than Xiaomi MI A1.
Memory Interface - UFS 2.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 256 GB
CAMERA Xiaomi MI A1 OPPO A9 2020
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel OPPO A9 2020 has better camera resolution than Xiaomi MI A1.
Sensor Size - 1/2.25"
Sensor Type - CMOS
Lens Type Wide-angle lens -
Lens Aperture F/2.2 F/1.8 OPPO A9 2020 has better lens aperture than Xiaomi MI A1.
Lens Construction 5-element -
Pixel Size - 0.8 μm
Focus Adjustment Automatic Automatic
Optical Zoom 2x -
Digital Zoom 10x -
Special Effects HDR, Beautify 3.0 -
Camera Modes Panorama, Continuous shot, low-light shots Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0
Face Recognition (Face ID) Face recognition - Xiaomi MI A1 has face detection.
Light Source Dual LED flash 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 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash Electronic Image Stabiliser (EIS)
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Xiaomi MI A1 has better second camera resolution than OPPO A9 2020.
Sensor Size (2nd Camera) - 1/4.0"
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.6 F/2.25 OPPO A9 2020 has better second camera lens aperture than Xiaomi MI A1.
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Sensor Size (3rd Camera) - 1/5"
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.75 μm
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Sensor Size (4th Camera) - 1/5"
Lens Aperture (4th Camera) - F/2.4
Pixel Size (4th Camera) - 1.75 μm
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 16 Megapixel OPPO A9 2020 has better front camera resolution than Xiaomi MI A1.
Sensor Size (Front) - 1/3.1"
Lens Aperture (Front) - F/2.0
Pixel Size (Front) - 1 μm
Camera Modes (Front) Beautify with 36 smart beauty profiles AI Beauty
Face Recognition (Face ID) Face recognition - Xiaomi MI A1 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Self-timer -
BATTERY AND CHARGING Xiaomi MI A1 OPPO A9 2020
Battery Capacity (Battery Size) 3080 mAh 5000 mAh OPPO A9 2020 has larger battery capacity than Xiaomi MI A1.
Standby Time - 450 hours
Talk Time - 2700 minutes
Run Time Details - Standby: up to 450 hrs
Talk: up to 2700 min
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI A1 OPPO A9 2020
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android ColorOS 6.0.1 (based on Android 9)
Intelligent Assistant Google Assistant -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI A1 OPPO A9 2020
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, 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 4.2 Bluetooth 5.0
Bluetooth Profiles HID -
NFC - Yes OPPO A9 2020 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI A1 OPPO A9 2020
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB -
Supported Digital Video Standards MKV, XviD, MPEG-4, M4V -
Sound Enhancements Dirac HD Sound Dolby Atmos sound technology, Hi-Res audio
FEATURES Xiaomi MI A1 OPPO A9 2020
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, gyro sensor, hall sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader Face recognition
Additional Phone Features Noise suppression by Fortemedia Multitasking, Game Boost 2.0
OTHERS Xiaomi MI A1 OPPO A9 2020
Included Accessories Power adapter Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied)
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