Side by side comparison and review of OnePlus 3 and Realme C31. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | OnePlus 3 | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 152.7 mm | 164.7 mm | Realme C31 has greater height than OnePlus 3. |
| Width | 74.7 mm | 76.1 mm | Realme C31 has greater width than OnePlus 3. |
| Depth | 7.4 mm | 8.4 mm | OnePlus 3 is narrower than OnePlus 3. |
| Weight | 158 g | 197 g | OnePlus 3 is lighter than OnePlus 3. |
| Body Colour | - | Light silver | Dark green | |
| Body Material | Anodised aluminium | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.645 W/kg (body), 0.995 W/kg (head) | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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 | OnePlus 3 | Realme C31 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Optic AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.5" | Realme C31 has larger screen size than OnePlus 3. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | OnePlus 3 has better screen resolution than Realme C31. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 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 | OnePlus 3 | Realme C31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 820 | Unisoc | |
|---|---|---|---|
| Processor Number | MSM8996 | T612 | |
| Clock Speed | 2.15 GHz | 1.82 GHz | OnePlus 3 has higher clock speed than Realme C31. |
| Processor Core Qty | Quad-core | 8-core | Realme C31 has higher processor core quantity than OnePlus 3. |
| 64-bit Architecture | Yes | - | OnePlus 3 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | ARM Mali-G57 |
| MEMORY | OnePlus 3 | Realme C31 |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | OnePlus 3 has more RAM than Realme C31. |
|---|---|---|---|
| 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, microSD, microSDXC - up to 1 TB |
| CAMERA | OnePlus 3 | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | OnePlus 3 has better camera resolution than Realme C31. |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Aperture | F/2.0 | F/2.2 | OnePlus 3 has better lens aperture than OnePlus 3. |
| Lens Construction | - | 5-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OnePlus 3 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | 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 | - | OnePlus 3 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), geotagging | 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) | 8 Megapixel | 5 Megapixel | OnePlus 3 has better front camera resolution than Realme C31. |
| Sensor Name (Front) | Sony Exmor R IMX179 sensor | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OnePlus 3 has better front lens aperture than OnePlus 3. |
| Lens Element Qty (Front) | - | 3-element | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Beauty mode, Filter mode | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | - | AI Selfie |
| BATTERY AND CHARGING | OnePlus 3 | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Realme C31 has larger battery capacity than OnePlus 3. |
|---|---|---|---|
| Battery Technology | Lithium Ion | - |
| CELLULAR | OnePlus 3 | 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 | OxygenOS (based on Android 6.0.1) | Android 11 | |
| User Interface | - | Realme UI (R Edition) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | OnePlus 3 | Realme C31 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE | GPRS, EDGE, HSPA+, FDD-LTE, TDD-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 2, Band 4, Band 5, Band 7, Band 12, Band 17, Band 30 | 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 1900 PCS, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700a, FDD 700b, FDD 2300 WCS | 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 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | - | OnePlus 3 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OnePlus 3 | Realme C31 |
|---|
| Supported Digital Audio Standards | WAV, WMA, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.265 | - | |
| Sound Enhancements | Dirac sound technologies | - |
| FEATURES | OnePlus 3 | 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 | DLNA Certified, sharing media via DLNA | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | OnePlus 3 | Realme C31 |
|---|
| Included Accessories | Screen protection film, USB cable, power adapter, SIM card removal tool | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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