In depth comparison and review of Realme C21 and OPPO Find X5. 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 | Realme C21 | OPPO Find X5 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2307 | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 160.3 mm | Realme C21 has greater height than OPPO Find X5. |
| Width | 76.4 mm | 72.6 mm | Realme C21 has greater width than OPPO Find X5. |
| Depth | 8.9 mm | 8.7 mm | OPPO Find X5 is narrower than Realme C21. |
| Weight | 190 g | 196 g | Realme C21 is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Black | White | |
| Body Material | - | Aluminium alloy, polymer, Corning Gorilla Glass 5 | |
| Protection | - | Dustproof, splash-resistant | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP54 | |
| SAR Value | - | 0.992 W/kg (head), 2.49 W/kg (limb), 1.216 W/kg (body) | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Realme C21 | OPPO Find X5 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | Flexible AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | OPPO Find X5 has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | 20:9 | 20.1:9 | |
| Max Brightness | 420 cd/m² | 1000 cd/m² | OPPO Find X5 has better display brightness than Realme C21. |
| Colour Depth | - | 1.07 billion colours | |
| Contrast Ratio | - | 1000000:1 | |
| HDR | - | Yes | OPPO Find X5 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | Eye comfort mode, SDR-to-HDR colour enhancement, resolution enhancer, Bedtime Mode | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Mini-drop display | Dark mode, DisplayMate A+, 100% DCI-P3, 100% sRGB, 71% NTSC, 97% NTSC, Max brightness level: 8912 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Realme C21 | OPPO Find X5 |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.84 GHz | OPPO Find X5 has higher clock speed than Realme C21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | PowerVR GE8320 | Qualcomm ADRENO 660 |
| MEMORY | Realme C21 | OPPO Find X5 |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR5 SDRAM - 8 GB | OPPO Find X5 has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | OPPO Find X5 has more internal memory than Realme C21. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Realme C21 | OPPO Find X5 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | OPPO Find X5 has better camera resolution than Realme C21. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony IMX766 sensor | |
| Lens Aperture | F/2.2 | F/1.8 | OPPO Find X5 has better lens aperture than Realme C21. |
| Lens Construction | 5-element | 6-element | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Find X5 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | HDR, Bokeh effect, Stickers | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | Burst mode, Panorama, Time-lapse mode, Slow motion mode, Pro mode, night mode, portrait mode, AI Beauty, Cinema mode, Macro mode, Dual-View Video, RAW+ mode, Long exposure mode, dual-view, Text scanner, Xpan mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), contrast detection auto-focus (CDAF), LOG video (Rec. 2020), Google Lens, Corning Gorilla Glass 7 (protective lens glass), | VCM Macro |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 50 Megapixel | OPPO Find X5 has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/1.56" | |
| Sensor Name (2nd Camera) | - | Sony IMX766 sensor | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | OPPO Find X5 has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | 7-element | |
| Field of View (2nd Camera) | - | 110 degree(s) | |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Camera Functions (2nd Camera) | B&W lens | - | |
| Camera Features (2nd Camera) | - | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4cm macro photography, contrast detection auto-focus (CDAF) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 13 Megapixel | OPPO Find X5 has higher resolution third camera than Realme C21. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/3.4" | |
| Sensor Name (3rd Camera) | - | Samsung S5K3M5 | |
| 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 | 5-element | |
| Pixel Size (3rd Camera) | - | 1 μm | |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 20x | |
| Hybrid Zoom | - | 5x | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | 4cm macro photography | Electronic Image Stabiliser (EIS) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | OPPO Find X5 has better front camera resolution than Realme C21. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony IMX615 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Realme C21 has better front lens aperture than Realme C21. |
| Lens Element Qty (Front) | 3-element | 5-element | |
| Field of View (Front) | - | 81 degree(s) | |
| Pixel Size (Front) | - | 0.8 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | Stickers | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | Panorama, Time-lapse mode, Portrait, Night, dual-view | |
| 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) |
| BATTERY AND CHARGING | Realme C21 | OPPO Find X5 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4800 mAh | Realme C21 has larger battery capacity than OPPO Find X5. |
|---|---|---|---|
| Fast Charging Technology | - | SuperVOOC Flash Charge technology, SuperVOOC 2.0 Flash Charge, SuperVOOC 3.0 Flash Charge | OPPO Find X5 has fast charging technology. |
| Wireless Charging | - | Yes | OPPO Find X5 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi, AirVOOC | |
| Standby Time | - | 425 hours | |
| Talk Time | - | 1560 minutes | |
| Run Time Details | - | Talk (3G): up to 1560 min Standby: up to 425 hrs Playback (Music): up to 39 hrs Playback (video): up to 21 hrs |
| CELLULAR | Realme C21 | OPPO Find X5 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Find X5 has more advanced generation mobile network. |
| Operating System | Android 10 | ColorOS 12.1 (based on Android 12) | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Realme C21 | OPPO Find X5 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 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 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 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 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 | |
| 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 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 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40, n12, n26, n13, n18 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300, n12, FDD 850, n13, n18 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 BLE | |
| NFC | - | Yes | OPPO Find X5 has NFC reader for mobile payments. |
| MEDIA | Realme C21 | OPPO Find X5 |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, LHDC, APTX-TWS+ | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, H.265, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio, 3D audio recording |
| FEATURES | Realme C21 | OPPO Find X5 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, magnetometer, light sensor | Accelerometer, proximity sensor, pedometer, magnetometer, gravity sensor, colour temperature sensor, brightness sensor, gyroscope | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | MIMO technology, MU-MIMO technology, dual stereo speakers, triple noise reduction microphones, X-axis haptic motor, Graphite + Ultra Large Steel Vapour Chamber, MariSilicon X Imaging NPU |
| OTHERS | Realme C21 | OPPO Find X5 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 80W power adapter, USB-A to USB-C adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IP54 |
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