In depth comparison and review of Xiaomi MI A2 and OPPO A54S. 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 A2 | OPPO A54S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2273 | |
| Form Factor | Touch | Touch | |
| Height | 158.7 mm | 163.8 mm | OPPO A54S has greater height than Xiaomi MI A2. |
| Width | 75.4 mm | 75.6 mm | OPPO A54S has greater width than Xiaomi MI A2. |
| Depth | 7.3 mm | 8.4 mm | Xiaomi MI A2 is narrower than Xiaomi MI A2. |
| Weight | 168 g | 190 g | Xiaomi MI A2 is lighter than Xiaomi MI A2. |
| Body Colour | Black | Lake blue | Gold | Crystal black | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.639 W/kg (body), 0.963 W/kg (head) | - | |
| Connector Type | USB Type-C - 24 pin USB-C | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI A2 | OPPO A54S |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.99" | 6.52" | OPPO A54S has larger screen size than Xiaomi MI A2. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 1600 x 720 pixels | Xiaomi MI A2 has better screen resolution than OPPO A54S. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 403 ppi | 269 ppi | Xiaomi MI A2 has better pixel density than OPPO A54S. |
| Aspect Ratio | 18:9 | - | |
| Max Brightness | - | 480 cd/m² | |
| Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | 2.5D curved glass | 71% NTSC, AI Eye-Care | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | PDMA+PC |
| PROCESSOR | Xiaomi MI A2 | OPPO A54S |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2.3 GHz | OPPO A54S has higher clock speed than Xiaomi MI A2. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | IMG GE8320 |
| MEMORY | Xiaomi MI A2 | OPPO A54S |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | OPPO A54S has more internal memory than Xiaomi MI A2. |
| Memory Interface | - | eMMC 5.1 |
| CAMERA | Xiaomi MI A2 | OPPO A54S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 20 Megapixel | 50 Megapixel | OPPO A54S 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/2.2 | Xiaomi MI A2 has better lens aperture than Xiaomi MI A2. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | - | 80 degree(s) | |
| 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 | |
| Still Image Resolutions | - | 4160 x 2340, 3120 x 3120, 4160 x 1872, 4080 x 3072 | |
| 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 | 2 Megapixel | Xiaomi MI A2 has better second camera resolution than OPPO A54S. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/2.9" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX486 sensor | - | |
| Lens Aperture (2nd Camera) | F/1.75 | F/2.4 | Xiaomi MI A2 has better second camera lens aperture than Xiaomi MI A2. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | - | 88.8 degree(s) | |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 88.8 degree(s) | |
| 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 OPPO A54S. |
| Sensor Name (Front) | Sony Exmor RS IMX376 sensor | - | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | OPPO A54S has better front lens aperture than Xiaomi MI A2. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | Bokeh effect | |
| Camera Modes (Front) | - | Dazzle Colour Mode | |
| 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 | AI beautification |
| BATTERY AND CHARGING | Xiaomi MI A2 | OPPO A54S |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | 5000 mAh | OPPO A54S has larger battery capacity than Xiaomi MI A2. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi MI A2 has fast charging technology. |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi MI A2 | OPPO A54S |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android One | ColorOS 11.1 (based on Android 11) | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi MI A2 | OPPO A54S |
|---|
| 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 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, Band 66 | |
| 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 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, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | OPPO A54S has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI A2 | OPPO A54S |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | AAC, apt-X, LDAC, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | - |
| FEATURES | Xiaomi MI A2 | OPPO A54S |
|---|
| 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, ambient light sensor, proximity sensor, pedometer, geomagnetic sensor, gravity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Wi-Fi Miracast, AI Engine | Super power saving mode, Game Assistant, super nighttime standby mode, optimised night charge, charging temperature control |
| OTHERS | Xiaomi MI A2 | OPPO A54S |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter | Headset, power adapter, SIM card removal tool, USB-C cable, protective case |
|---|
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