In depth comparison and review of OPPO A15 and Realme C31. 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 | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2185 | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 164 mm | 164.7 mm | Realme C31 has greater height than OPPO A15. |
| Width | 75.4 mm | 76.1 mm | Realme C31 has greater width than OPPO A15. |
| Depth | 7.9 mm | 8.4 mm | OPPO A15 is narrower than OPPO A15. |
| Weight | 175 g | 197 g | OPPO A15 is lighter than OPPO A15. |
| Body Colour | Dynamic black | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Connector Type | Micro-USB Handset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO A15 | Realme C31 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | LCD | - | |
| Screen Size (Display Size) | 6.52" | 6.5" | OPPO A15 has larger screen size than Realme C31. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1600 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 269 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 480 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1500:1 | - | |
| Display Refresh Rate | 60 Hz | 60 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | Dark mode, Waterdrop Screen | Ultra-clear View |
| PROCESSOR | OPPO A15 | Realme C31 |
|---|
| Processor Type (CPU) | MediaTek Helio P35 | Unisoc | |
|---|---|---|---|
| Processor Number | MT6765 | T612 | |
| Clock Speed | 2.3 GHz | 1.82 GHz | OPPO A15 has higher clock speed than Realme C31. |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | IMG GE8320 | ARM Mali-G57 |
| MEMORY | OPPO A15 | Realme C31 |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Realme C31 has more RAM than OPPO A15. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Realme C31 has more internal memory than OPPO A15. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO A15 | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, Portrait bokeh | HDR | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | AI Triple camera, AI Scene Enhancement | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Camera Functions (2nd Camera) | Macro camera | Macro camera | |
| Camera Features (2nd Camera) | 4cm macro photography | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 0.3 Megapixel | OPPO A15 has higher resolution third camera than Realme C31. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.8 | OPPO A15 has better third camera lens aperture than OPPO A15. |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Camera Functions (3rd Camera) | Depth camera | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.4 | F/2.2 | Realme C31 has better front lens aperture than OPPO A15. |
| Lens Element Qty (Front) | 3-element | 3-element | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Beauty mode, Filter mode | |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | AI beautification | AI Selfie |
| BATTERY AND CHARGING | OPPO A15 | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 4230 mAh | 5000 mAh | Realme C31 has larger battery capacity than OPPO A15. |
|---|
| CELLULAR | OPPO A15 | Realme C31 |
|---|
| 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 | |
| User Interface | - | Realme UI (R Edition) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO A15 | Realme C31 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | GPRS, EDGE, 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 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900 | 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 | 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 | 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 | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 |
| MEDIA | OPPO A15 | Realme C31 |
|---|
| Supported Digital Audio Standards | AAC, apt-X, LDAC, SBC | - |
|---|
| FEATURES | OPPO A15 | Realme C31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | - | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (side) | |
| Security Technology | AI face unlock | - | |
| Additional Phone Features | HyperBoost 2.1 | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | OPPO A15 | Realme C31 |
|---|
| Included Accessories | Protective cover, USB cable, power adapter, SIM card removal tool | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
