In depth comparison and review of OPPO Find X2 PRO and Realme C21. 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 Find X2 PRO | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2025 | - | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 165.2 mm | Both phones are the same height. |
| Width | 74.4 mm | 76.4 mm | Realme C21 has greater width than OPPO Find X2 PRO. |
| Depth | 9.5 mm | 8.9 mm | Realme C21 is narrower than OPPO Find X2 PRO. |
| Weight | 200 g | 190 g | Realme C21 is lighter than OPPO Find X2 PRO. |
| Body Colour | Orange | Black | Cross black | Cross blue | |
| Body Material | Vegan leather | - | |
| Protection | Dustproof, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | OPPO Find X2 PRO is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.15 W/kg (body), 0.88 W/kg (head) | - | |
| Connector Type | USB Type-C - 24 pin USB-C | Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | OPPO Find X2 PRO | Realme C21 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | LCD | |
| Screen Size (Display Size) | 6.7" | 6.5" | OPPO Find X2 PRO has larger screen size than Realme C21. |
| Screen Resolution (Display Resolution) | 3168 x 1440 pixels | 1600 x 720 pixels | OPPO Find X2 PRO has better screen resolution than Realme C21. |
| Display Format | QHD+ | HD+ | |
| Pixel Density | 513 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 800 cd/m² | 420 cd/m² | OPPO Find X2 PRO has better display brightness than Realme C21. |
| Colour Depth | 8+2-bit (1.07 billion colours) | - | |
| Contrast Ratio | 5000000:1 | - | |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | 120 Hz | - | |
| Touch Sampling Rate | 240 Hz | - | |
| Display Features | DCI-P3 Wide colour gamut, Ultra Vision display, O1 Ultra Vision Engine | Mini-drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | - |
| PROCESSOR | OPPO Find X2 PRO | Realme C21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2.3 GHz | OPPO Find X2 PRO has higher clock speed than Realme C21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | OPPO Find X2 PRO has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 650 | PowerVR GE8320 |
| MEMORY | OPPO Find X2 PRO | Realme C21 |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | LPDDR4X SDRAM - 3 GB | OPPO Find X2 PRO has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 512 GB | 32 GB | OPPO Find X2 PRO has more internal memory than Realme C21. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | OPPO Find X2 PRO | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | OPPO Find X2 PRO has better camera resolution than Realme C21. |
| Sensor Size | 1/1.4" | - | |
| Sensor Name | Sony Exmor RS IMX689 sensor | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.7 | F/2.2 | OPPO Find X2 PRO has better lens aperture than OPPO Find X2 PRO. |
| Lens Construction | 7-element | 5-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OPPO Find X2 PRO has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special Effects | Live HDR | HDR | |
| Camera Modes | Ultra Night Mode 3.0 | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), AI Dual camera, AI Beautify, AI scene recognition, All Pixel OmniDirectional PDAF, Dual Native ISO, Ultra Steady Video | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 48 Megapixel | 2 Megapixel | OPPO Find X2 PRO has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/2" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX586 sensor | - | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | OPPO Find X2 PRO has better second camera lens aperture than OPPO Find X2 PRO. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | 120 degree(s) | - | |
| Camera Functions (2nd Camera) | Macro camera | B&W lens | |
| Camera Modes (2nd Camera) | Ultra Night Mode 3.0 | - | |
| Camera Features (2nd Camera) | 6P lens, Ultra Steady Video Pro, 3cm ultra macro shooting | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 13 Megapixel | 2 Megapixel | OPPO Find X2 PRO has higher resolution third camera than Realme C21. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/3.0 | F/2.4 | Realme C21 has better third camera lens aperture than OPPO Find X2 PRO. |
| Lens Element Qty (3rd Camera) | 5-element | 3-element | |
| Digital Zoom | 60x | - | |
| Hybrid Zoom | 10x | - | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | Ultra Night Mode 3.0 | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 5 Megapixel | OPPO Find X2 PRO has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.4 | F/2.2 | Realme C21 has better front lens aperture than OPPO Find X2 PRO. |
| Lens Element Qty (Front) | 5-element | 3-element | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Slow motion mode, Pro mode | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme C21 has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Front) | Electronic Image Stabiliser (EIS), Phase Detect Auto-Focus (PDAF), Smart fill light, AI-based beautification, Dual Optical Image Stabilisation (OIS), contrast detection auto focus (CDAF), laser auto focus (LAF) | - |
| BATTERY AND CHARGING | OPPO Find X2 PRO | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 4260 mAh | 5000 mAh | Realme C21 has larger battery capacity than OPPO Find X2 PRO. |
|---|---|---|---|
| Fast Charging Technology | SuperVOOC Flash Charge technology | - | OPPO Find X2 PRO has fast charging technology. |
| CELLULAR | OPPO Find X2 PRO | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | OPPO Find X2 PRO has more advanced generation mobile network. |
| Operating System | ColorOS 7.1 (based on Android 10) | Android 10 | |
| User Interface | - | Realme UI | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO Find X2 PRO | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | 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 2, Band 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | 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 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | N1, n3, n5, n7, n28, n41, n77, n78 | - | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 700APT, TDD TD 2500, TDD TD 3700, TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | - |
| FEATURES | OPPO Find X2 PRO | Realme C21 |
|---|
| 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, proximity sensor, pedometer, barometer, gyro sensor, geomagnetic sensor, colour temperature sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader (side) | Fingerprint reader | |
| Additional Phone Features | - | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | OPPO Find X2 PRO | Realme C21 |
|---|
| Included Accessories | Headset, power adapter, SIM card removal tool, USB-C cable, protective case | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | IP68 | TUV Rheinland |
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