In depth comparison and review of Realme C21 and OnePlus Nord N10. 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 | OnePlus Nord N10 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 163 mm | Realme C21 has greater height than OnePlus Nord N10. |
| Width | 76.4 mm | 74.7 mm | Realme C21 has greater width than OnePlus Nord N10. |
| Depth | 8.9 mm | 8.95 mm | Realme C21 is narrower than Realme C21. |
| Weight | 190 g | 190 g | Both phones are the same weight. |
| Body Colour | Cross black | Cross blue | Midnight ice | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.1 W/kg (body), 0.95 W/kg (head) | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Realme C21 | OnePlus Nord N10 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LCD | IPS | |
| Screen Size (Display Size) | 6.5" | 6.49" | Realme C21 has larger screen size than OnePlus Nord N10. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | OnePlus Nord N10 has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | - | 405 ppi | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 420 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Mini-drop display | 2.5D Glass, Reading mode, night mode, sRGB support | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Realme C21 | OnePlus Nord N10 |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 690 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | PowerVR GE8320 | Qualcomm ADRENO 619L |
| MEMORY | Realme C21 | OnePlus Nord N10 |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR4X SDRAM - 6 GB | OnePlus Nord N10 has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | OnePlus Nord N10 has more internal memory than Realme C21. |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Realme C21 | OnePlus Nord N10 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | OnePlus Nord N10 has better camera resolution than Realme C21. |
| Lens Aperture | F/2.2 | F/1.79 | OnePlus Nord N10 has better lens aperture than Realme C21. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | HDR, Cine Effect | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | Panorama, Time-lapse mode, Pro mode, Portrait, Ultra shot, Macro 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, 3840 x 2160 (4K) at 30 fps, Super slow motion video 1920 x 1080 (1080p) at 120 fps, Super slow motion video 1280 x 720 (720p) at 240 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Electronic Image Stabiliser (EIS), RAW image capture, AI scene detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | OnePlus Nord N10 has better second camera resolution than Realme C21. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.25 | OnePlus Nord N10 has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Camera Functions (2nd Camera) | B&W lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| 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 | - | |
| Camera Functions (3rd Camera) | Macro camera | Macro camera | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Camera Functions (4th Camera) | - | Monochrome |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OnePlus Nord N10 has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.2 | F/2.05 | OnePlus Nord N10 has better front lens aperture than Realme C21. |
| Lens Element Qty (Front) | 3-element | - | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | HDR, face retouch | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | Time-lapse mode | |
| Face Recognition (Face ID) | Face recognition | - | Realme C21 has face detection. |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps | |
| Camera Features (Front) | - | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Realme C21 | OnePlus Nord N10 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4300 mAh | Realme C21 has larger battery capacity than OnePlus Nord N10. |
|---|---|---|---|
| Fast Charging Technology | - | Warp Charge 30T technology | OnePlus Nord N10 has fast charging technology. |
| CELLULAR | Realme C21 | OnePlus Nord N10 |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OnePlus Nord N10 has more advanced generation mobile network. |
| Operating System | Android 10 | OxygenOS (based on Android 10) | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Realme C21 | OnePlus Nord N10 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | EV-DO, FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | |
| 3G UMTS Band | Band 1, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 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 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71 | |
| 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 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | - | N2, n5, n41, n66, n71, n25 | |
| 5G NR Frequency | - | FDD 1900PCS, FDD 850, TDD TD 2500, FDD AWS-3, FDD 600, FDD 1900 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | OnePlus Nord N10 has NFC reader for mobile payments. |
| MEDIA | Realme C21 | OnePlus Nord N10 |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AIFF, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), ALAC, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, MPEG-2, H.264, H.263, HEVC, VP9, HEIC |
| FEATURES | Realme C21 | OnePlus Nord N10 |
|---|
| Phone Functions | 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, digital compass, gyro sensor, SAR sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Noise Cancellation Technology, MIMO technology |
| OTHERS | Realme C21 | OnePlus Nord N10 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | SIM card removal tool, Warp Charge adapter, Warp Type-C cable | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | - |
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