In depth comparison and review of OPPO A53 and Xiaomi Redmi 9. 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 | OPPO A53 | Xiaomi Redmi 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2127 | - | |
| Form Factor | Touch | Touch | |
| Height | 163.9 mm | 163.32 mm | OPPO A53 has greater height than Xiaomi Redmi 9. |
| Width | 75.1 mm | 77.01 mm | Xiaomi Redmi 9 has greater width than OPPO A53. |
| Depth | 8.4 mm | 9.1 mm | OPPO A53 is narrower than OPPO A53. |
| Weight | 186 g | 198 g | OPPO A53 is lighter than OPPO A53. |
| Body Colour | Electric black | Carbon grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.93 W/kg (body), 0.77 W/kg (head), 2.78 W/kg (limb) | 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) | |
| Integrated Components | - | Ultra-linear speaker | |
| Connector Type | USB Type-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO A53 | Xiaomi Redmi 9 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | LCD | - | |
| Screen Size (Display Size) | 6.5" | 6.53" | Xiaomi Redmi 9 has larger screen size than OPPO A53. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2340 x 1080 pixels | Xiaomi Redmi 9 has better screen resolution than OPPO A53. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 269 ppi | 394 ppi | Xiaomi Redmi 9 has better pixel density than OPPO A53. |
| Aspect Ratio | 20:9 | 19.5:9 | |
| Max Brightness | 480 cd/m² | 400 cd/m² | OPPO A53 has better display brightness than Xiaomi Redmi 9. |
| Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Refresh Rate | 90 Hz | - | |
| Touch Sampling Rate | 120 Hz | - | |
| Display Features | - | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | OPPO A53 | Xiaomi Redmi 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 460 | MediaTek Helio G80 | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 2 GHz | Xiaomi Redmi 9 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 | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 610 | Mali-G52 MC2 |
| MEMORY | OPPO A53 | Xiaomi Redmi 9 |
|---|
| 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) | microSDHC, microSD, microSDXC - up to 256 GB | microSD |
| CAMERA | OPPO A53 | Xiaomi Redmi 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | 1/3.06" | - | |
| Sensor Name | Omnivision OV13B sensor | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | - | |
| Field of View (FoV) | - | 75.2 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 6x | - | |
| Special Effects | - | HDR, Kaleidoscope | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 | Portrait mode | |
| Light Source | LED flash | Flash | |
| Still Image Resolutions | 4160 x 3120 | - | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | AI Beautify, AI Quad camera | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Xiaomi Redmi 9 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/2.4 | F/2.2 | Xiaomi Redmi 9 has better second camera lens aperture than OPPO A53. |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Camera Functions (2nd Camera) | Depth camera | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 5 Megapixel | Xiaomi Redmi 9 has higher resolution third camera than OPPO A53. |
|---|---|---|---|
| Sensor Name (3rd Camera) | GalaxyCore GC02K0 sensor | - | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Camera Functions (3rd Camera) | Macro camera | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | 5-element | - | |
| Field of View (Front) | - | 77.8 degree(s) | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Portrait mode | |
| Light Source (Front) | - | Display flash | |
| Still Image Resolutions (Front) | 3264 x 2448 | - | |
| Camera Features (Front) | - | Self-timer, Palm shutter |
| BATTERY AND CHARGING | OPPO A53 | Xiaomi Redmi 9 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5020 mAh | Xiaomi Redmi 9 has larger battery capacity than OPPO A53. |
|---|---|---|---|
| Talk Time | - | 1860 minutes | |
| Run Time Details | - | Talk: up to 1860 min Continuous navigation: up to 19 hrs Playback (video): up to 19 hrs Playback (Music): up to 185 hrs |
| CELLULAR | OPPO A53 | Xiaomi Redmi 9 |
|---|
| 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) | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO A53 | Xiaomi Redmi 9 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, 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 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | 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 1, Band 2, Band 3, Band 4, 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 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 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, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | SBC | - | |
| Messaging Services | - | SMS, MMS |
| MEDIA | OPPO A53 | Xiaomi Redmi 9 |
|---|
| Supported Digital Audio Standards | AAC, LDAC, apt-X HD | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, H.264, ASP, MP4 |
| FEATURES | OPPO A53 | Xiaomi Redmi 9 |
|---|
| 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, digital compass, distance sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Fast Charging, HyperBoost, Smart Sidebar | Fast Charging, AI face unlock |
| OTHERS | OPPO A53 | Xiaomi Redmi 9 |
|---|
| Included Accessories | Headphones, screen protection film, USB cable, power adapter, SIM card removal tool | SIM card removal tool, USB-C cable, TPU case, 10W charger |
|---|
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