In depth comparison and review of Realme C21 and OPPO Find X3 LITE. 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 X3 LITE |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2145 | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 159.1 mm | Realme C21 has greater height than OPPO Find X3 LITE. |
| Width | 76.4 mm | 73.4 mm | Realme C21 has greater width than OPPO Find X3 LITE. |
| Depth | 8.9 mm | 7.9 mm | OPPO Find X3 LITE is narrower than Realme C21. |
| Weight | 190 g | 172 g | OPPO Find X3 LITE is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Astral blue | |
| Body Material | - | Metal, multi-layer polymer with sandblasted coating | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP5X | |
| SAR Value | - | 0.991 W/kg (head), 1.276 W/kg (body), 2.721 W/kg (limb) | |
| 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 | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Realme C21 | OPPO Find X3 LITE |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.43" | Realme C21 has larger screen size than OPPO Find X3 LITE. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | OPPO Find X3 LITE has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | - | 410 ppi | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 420 cd/m² | 750 cd/m² | OPPO Find X3 LITE has better display brightness than Realme C21. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1000000:1 | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Mini-drop display | Night mode, DCI-P3 Wide colour gamut, AOD(Always On Display), Dark mode, 180Hz sampling rate | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3+ (scratch resistant glass) |
| PROCESSOR | Realme C21 | OPPO Find X3 LITE |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 765 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.4 GHz | OPPO Find X3 LITE 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 620 |
| MEMORY | Realme C21 | OPPO Find X3 LITE |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR4X SDRAM - 8 GB | OPPO Find X3 LITE has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | OPPO Find X3 LITE has more internal memory than Realme C21. |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Realme C21 | OPPO Find X3 LITE |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | OPPO Find X3 LITE has better camera resolution than Realme C21. |
| Sensor Size | - | 1/2.43" | |
| Sensor Name | - | Omnivision OV64B sensor | |
| Lens Aperture | F/2.2 | F/1.7 | OPPO Find X3 LITE has better lens aperture than Realme C21. |
| Lens Construction | 5-element | 6-element | |
| Field of View (FoV) | - | 80 degree(s) | |
| Pixel Size | - | 0.7 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 25 mm | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | HDR, Live 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, night mode, Expert Mode, portrait mode, AI Beauty, Text, Filter mode, Macro mode, Dual-View Video, Ultra Night Video, Extra HD, AI Highlight Video | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | - | 9248 x 6936, 4624 x 3468, 4624 x 2080, 3468 x 3468, 4624 x 2608 | |
| 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, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Electronic Image Stabiliser (EIS), Phase Detect Auto-Focus (PDAF)+Contrast Focus, 4-in-1 Pixel technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | OPPO Find X3 LITE has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | OPPO Find X3 LITE has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | 5-element | |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | - | 16 mm | |
| Camera Functions (2nd Camera) | B&W lens | - | |
| Camera Features (2nd Camera) | - | Electronic Image Stabiliser (EIS) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| 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 | 3-element | |
| Field of View (3rd Camera) | - | 89 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Minimum Focal Length (3rd Camera) | - | 22 mm | |
| Camera Functions (3rd Camera) | Macro camera | Macro camera | |
| Camera Features (3rd Camera) | 4cm macro photography | 4cm macro photography |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Field of View (4th Camera) | - | 89 degree(s) | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Minimum Focal Length (4th Camera) | - | 22 mm | |
| Camera Functions (4th Camera) | - | Potrait camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | OPPO Find X3 LITE has better front camera resolution than Realme C21. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony Exmor RS 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) | - | 85 degree(s) | |
| Pixel Size (Front) | - | 0.8 μm | |
| Min Focal Length (Front) | - | 23 mm | |
| 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, night mode, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Realme C21 has face detection. |
| Still Image Resolutions (Front) | - | 6592 x 5120 | |
| 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 X3 LITE |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4300 mAh | Realme C21 has larger battery capacity than OPPO Find X3 LITE. |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology 3.0, SuperVOOC 2.0 Flash Charge | OPPO Find X3 LITE has fast charging technology. |
| Recharge Time (Charging Time) | - | 37 min | |
| Standby Time | - | 240.7 hours | |
| Talk Time | - | 846 minutes | |
| Run Time Details | - | Standby: up to 240.7 hrs Playback (video): up to 13.9 hrs Talk (3G): up to 846 min |
| CELLULAR | Realme C21 | OPPO Find X3 LITE |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Find X3 LITE has more advanced generation mobile network. |
| Operating System | Android 10 | ColorOS 11.1 (based on Android 11) | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Realme C21 | OPPO Find X3 LITE |
|---|
| 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 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | OPPO Find X3 LITE has NFC reader for mobile payments. |
| MEDIA | Realme C21 | OPPO Find X3 LITE |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), LDAC, MID, SBC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.265, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio |
| FEATURES | Realme C21 | OPPO Find X3 LITE |
|---|
| 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, proximity sensor, magnetometer, light sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, magnetometer, gyro sensor, gravity sensor | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Gesture Controls, Dual noise reduction microphones, Low blue light mode, Super linear speaker, gamer mode |
| OTHERS | Realme C21 | OPPO Find X3 LITE |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Headset, protective cover, SIM card removal tool, USB-C cable, protective film, SuperVOOC 65W power adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | SGS, IP5X |
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