In depth comparison and review of Realme C21 and Xiaomi Redmi Note 12 Pro 5G. 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 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 162.9 mm | Realme C21 has greater height than Xiaomi Redmi Note 12 Pro 5G. |
| Width | 76.4 mm | 76 mm | Realme C21 has greater width than Xiaomi Redmi Note 12 Pro 5G. |
| Depth | 8.9 mm | 7.9 mm | Xiaomi Redmi Note 12 Pro 5G is narrower than Realme C21. |
| Weight | 190 g | 187 g | Xiaomi Redmi Note 12 Pro 5G is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Midnight black | |
| Waterproof (Water-resistant) | - | - | Xiaomi Redmi Note 12 Pro 5G is waterproof. |
| SAR Value | - | 0.99 W/kg (body), 0.99 W/kg (head), 2.59 W/kg (limb) | |
| 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 | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | Flow AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.67" | Xiaomi Redmi Note 12 Pro 5G has larger screen size than Realme C21. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 12 Pro 5G has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 420 cd/m² | 900 cd/m² | Xiaomi Redmi Note 12 Pro 5G has better display brightness than Realme C21. |
| Contrast Ratio | - | 5000000:1 | |
| HDR | - | Yes | Xiaomi Redmi Note 12 Pro 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | Dolby Vision | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Mini-drop display | Reading mode, Sunlight mode, 100% DCI-P3 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | MediaTek Dimensity 1080 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.6 GHz | Xiaomi Redmi Note 12 Pro 5G 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 | ARM Mali-G68 |
| MEMORY | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR4X SDRAM - 6 GB | Xiaomi Redmi Note 12 Pro 5G has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Xiaomi Redmi Note 12 Pro 5G has more internal memory than Realme C21. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Xiaomi Redmi Note 12 Pro 5G has better camera resolution than Realme C21. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony Exmor RS IMX766 sensor | |
| Lens Aperture | F/2.2 | F/1.88 | Xiaomi Redmi Note 12 Pro 5G has better lens aperture than Realme C21. |
| Lens Construction | 5-element | 6-element | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Xiaomi Redmi Note 12 Pro 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | - | |
| Camera Modes | 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 | |
| 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, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | 4-in-1 to 2μm pixel, Ecosphere engine, Colour engine, Bionic sensing, Accelerating engine, Optic fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Xiaomi Redmi Note 12 Pro 5G has better second camera resolution than Realme C21. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Xiaomi Redmi Note 12 Pro 5G 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 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | Xiaomi Redmi Note 12 Pro 5G has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.2 | - | |
| Lens Element Qty (Front) | 3-element | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | 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, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps |
| BATTERY AND CHARGING | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | Turbo charging | Xiaomi Redmi Note 12 Pro 5G has fast charging technology. |
| Run Time Details | - | Continuous browsing: up to 7 hrs Playback (video): up to 10 hrs Gaming: up to 4 hrs |
| CELLULAR | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 12 Pro 5G has more advanced generation mobile network. |
| Operating System | Android 10 | Android 12 | |
| User Interface | Realme UI | MIUI 14 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | 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 | |
| 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 26, Band 28, Band 32, Band 38, 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, 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 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | - | Yes | Xiaomi Redmi Note 12 Pro 5G has NFC reader for mobile payments. |
| MEDIA | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), AWB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, AVI, 3GP, M4V, 3G2, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio certified, Hi-Res audio wireless |
| FEATURES | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| 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, gyroscope | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Dual stereo speakers, X-axis linear vibration motor, graphite cooling, IR blaster |
| OTHERS | Realme C21 | Xiaomi Redmi Note 12 Pro 5G |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | SIM card removal tool, USB-C cable, protective case, 67W turbo power adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | - |
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