In depth comparison and review of OPPO R9 Plus 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 R9 Plus | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 163.1 mm | 164.7 mm | Realme C31 has greater height than OPPO R9 Plus. |
| Width | 80.8 mm | 76.1 mm | OPPO R9 Plus has greater width than Realme C31. |
| Depth | 7.4 mm | 8.4 mm | OPPO R9 Plus is narrower than OPPO R9 Plus. |
| Weight | 185 g | 197 g | OPPO R9 Plus is lighter than OPPO R9 Plus. |
| Body Colour | Gold | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset 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 (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R9 Plus | Realme C31 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 6" | 6.5" | Realme C31 has larger screen size than OPPO R9 Plus. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | OPPO R9 Plus has better screen resolution than Realme C31. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 367 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | - | Ultra-clear View | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9 Plus | Realme C31 |
|---|
| Processor Type (CPU) | Qualcomm | Unisoc | |
|---|---|---|---|
| Processor Number | MSM8976 | T612 | |
| Clock Speed | - | 1.82 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 510 | ARM Mali-G57 |
| MEMORY | OPPO R9 Plus | Realme C31 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | 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 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO R9 Plus | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | OPPO R9 Plus has better camera resolution than Realme C31. |
| Lens Aperture | F/2.0 | F/2.2 | OPPO R9 Plus has better lens aperture than OPPO R9 Plus. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Face Recognition (Face ID) | Face detection | - | OPPO R9 Plus has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p), 3840 x 2160 (4K) | 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 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 0.3 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.8 | |
| Camera Functions (3rd Camera) | - | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | OPPO R9 Plus has better front camera resolution than Realme C31. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO R9 Plus has better front lens aperture than OPPO R9 Plus. |
| Lens Element Qty (Front) | - | 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 Selfie |
| BATTERY AND CHARGING | OPPO R9 Plus | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 4120 mAh | 5000 mAh | Realme C31 has larger battery capacity than OPPO R9 Plus. |
|---|---|---|---|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R9 Plus | Realme C31 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.0 (based on Android 5.1) | Android 11 | |
| User Interface | - | Realme UI (R Edition) | |
| Navigation | GPS, A-GPS | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO R9 Plus | Realme C31 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 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 38, Band 39, 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, TDD 2600, TDD 1900, 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 | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO R9 Plus | Realme C31 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - |
| FEATURES | OPPO R9 Plus | Realme C31 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (side) | |
| Additional Phone Features | Active noise-cancellation | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | OPPO R9 Plus | Realme C31 |
|---|
| Included Accessories | Power adapter | 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
