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.
| 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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