In depth comparison and review of OPPO A15 and Motorola Moto G31. 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 A15 | Motorola Moto G31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2185 | - | |
| Form Factor | Touch | Touch | |
| Height | 164 mm | 161.89 mm | OPPO A15 has greater height than Motorola Moto G31. |
| Width | 75.4 mm | 73.87 mm | OPPO A15 has greater width than Motorola Moto G31. |
| Depth | 7.9 mm | 8.55 mm | OPPO A15 is narrower than OPPO A15. |
| Weight | 175 g | 181 g | OPPO A15 is lighter than OPPO A15. |
| Body Colour | Dynamic black | Mineral grey | Baby blue | |
| Body Material | - | Plastic | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | 1.46 W/kg (body), 0.67 W/kg (head) | |
| Connector Type | Micro-USB Handset 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 | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | OPPO A15 | Motorola Moto G31 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | OLED | |
| Screen Size (Display Size) | 6.52" | 6.4" | OPPO A15 has larger screen size than Motorola Moto G31. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Motorola Moto G31 has better screen resolution than OPPO A15. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 269 ppi | 409 ppi | Motorola Moto G31 has better pixel density than OPPO A15. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 480 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Refresh Rate | 60 Hz | 60 Hz | Both phones have the same refresh rate. |
| Display Features | Dark mode, Waterdrop Screen | Max Vision display |
| PROCESSOR | OPPO A15 | Motorola Moto G31 |
|---|
| Processor Type (CPU) | MediaTek Helio P35 | MediaTek Helio G85 | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 2 GHz | OPPO A15 has higher clock speed than Motorola Moto G31. |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | IMG GE8320 | ARM Mali-G52 MC2 |
| MEMORY | OPPO A15 | Motorola Moto G31 |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 4 GB | Motorola Moto G31 has more RAM than OPPO A15. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Motorola Moto G31 has more internal memory than OPPO A15. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO A15 | Motorola Moto G31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Motorola Moto G31 has better camera resolution than OPPO A15. |
| Lens Aperture | F/2.2 | F/1.8 | Motorola Moto G31 has better lens aperture than OPPO A15. |
| Lens Construction | 5-element | - | |
| Pixel Size | - | 1.28 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Self-Timer Delay | - | Yes | |
| Special Effects | HDR, Portrait bokeh | HDR, Spot Colour | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | Panorama, Pro mode, Timer mode, BurstShot, Watermark mode, Active photos, Cinemagraph, Portrait, Night Vision, AR stickers, Levelling, Macro Vision, Long exposure mode, Live filter, Capture Dual | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Moto G31 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | AI Triple camera, AI Scene Enhancement | Phase Detect Auto-Focus (PDAF), Barcode Scanner, Cutout, Quad Pixel technology, smart composition, RAW photo output, shot optimisation, Google Lens, High-res digital zoom (up to 8x), Assistive Grid |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Motorola Moto G31 has better second camera resolution than OPPO A15. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Motorola Moto G31 has better second camera lens aperture than OPPO A15. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | Macro camera | Depth camera | |
| Camera Features (2nd Camera) | 4cm macro photography | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| 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 | - | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | Depth camera | Macro camera |
| FOURTH CAMERA |
|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
|---|---|---|---|
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 13 Megapixel | Motorola Moto G31 has better front camera resolution than OPPO A15. |
| Lens Aperture (Front) | F/2.4 | F/2.2 | Motorola Moto G31 has better front lens aperture than OPPO A15. |
| Lens Element Qty (Front) | 3-element | - | |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | HDR, Spot Colour | |
| Camera Modes (Front) | - | Slow motion video, Pro mode, Timer mode, BurstShot, HYPERLAPSE, Watermark mode, portrait mode, Face Beauty, Timelapse video, Active photos, Cinemagraph, Portrait, Night Vision, Levelling, Gesture selfie, Group selfie, Long exposure mode, Live filter, Low Light AI Selfie, Capture Dual, Gesture Capture | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Moto G31 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | AI beautification | Video image stabilisation, RAW photo, Shot optimisation, Selfie animation, Assistive grid |
| BATTERY AND CHARGING | OPPO A15 | Motorola Moto G31 |
|---|
| Battery Capacity (Battery Size) | 4230 mAh | 5000 mAh | Motorola Moto G31 has larger battery capacity than OPPO A15. |
|---|---|---|---|
| Run Time Details | - | Standard usage: up to 36 hrs |
| CELLULAR | OPPO A15 | Motorola Moto G31 |
|---|
| 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) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | OPPO A15 | Motorola Moto G31 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | - | |
| Wireless Interface | Wi-Fi | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | Motorola Moto G31 has NFC reader for mobile payments. |
| MEDIA | OPPO A15 | Motorola Moto G31 |
|---|
| Supported Digital Audio Standards | AAC, apt-X, LDAC, SBC | Dolby Atmos |
|---|
| FEATURES | OPPO A15 | Motorola Moto G31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | - | Accelerometer, ambient light sensor, proximity sensor, digital compass, SAR sensor, gyroscope | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | AI face unlock | Face Unlock | |
| Additional Phone Features | HyperBoost 2.1 | Dual microphones |
| OTHERS | OPPO A15 | Motorola Moto G31 |
|---|
| Included Accessories | Protective cover, USB cable, power adapter, SIM card removal tool | Protective cover, USB cable, SIM card removal tool, 10W charger |
|---|
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