In depth comparison and review of Realme C21 and Motorola ThinkPhone. 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 | Motorola ThinkPhone |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 158.76 mm | Realme C21 has greater height than Motorola ThinkPhone. |
| Width | 76.4 mm | 74.38 mm | Realme C21 has greater width than Motorola ThinkPhone. |
| Depth | 8.9 mm | 8.26 mm | Motorola ThinkPhone is narrower than Realme C21. |
| Weight | 190 g | 189 g | Motorola ThinkPhone is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Carbon black | |
| Body Material | - | Aircraft-grade aluminium, aramid fibre | |
| Protection | - | Water-resistant, splash-resistant, dust-resistant | |
| Waterproof (Water-resistant) | - | Yes | Motorola ThinkPhone is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | - | 1.26 W/kg (body), 0.94 W/kg (head), 2.52 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 | Motorola ThinkPhone |
|---|
| Display Type | LCD display | pOLED display | |
|---|---|---|---|
| Display Technology | LCD | P-OLED | |
| Screen Size (Display Size) | 6.5" | 6.55" | Motorola ThinkPhone has larger screen size than Realme C21. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Motorola ThinkPhone has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 420 cd/m² | 1200 cd/m² | Motorola ThinkPhone has better display brightness than Realme C21. |
| Colour Depth | - | 1.07 billion colours | |
| HDR | - | Yes | Motorola ThinkPhone has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 144 Hz | |
| Touch Sampling Rate | - | 360 Hz | |
| Display Features | Mini-drop display | DCI-P3 Wide colour gamut, attentive display, Peek Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Realme C21 | Motorola ThinkPhone |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 8+ Gen 1 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Realme C21 | Motorola ThinkPhone |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR5 SDRAM - 8 GB | Motorola ThinkPhone has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Motorola ThinkPhone has more internal memory than Realme C21. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Realme C21 | Motorola ThinkPhone |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Motorola ThinkPhone has better camera resolution than Realme C21. |
| Sensor Size | - | 1/1.5" | |
| Lens Aperture | F/2.2 | F/1.8 | Motorola ThinkPhone has better lens aperture than Realme C21. |
| Lens Construction | 5-element | - | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Motorola ThinkPhone has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Self-Timer Delay | - | Yes | |
| Special Effects | HDR | HDR, Live Filters | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | BurstShot, Watermark mode, Video Snapshot, 360 Panorama mode, Super Slow-mo, Active photos, Portrait, Night Vision, AR stickers, Levelling, video filters, Spot colour, Ultra-Res, Capture Dual, Scanner, Pro mode with long exposure, Timelapse with Hyperlapse, Auto night vision | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola ThinkPhone has face detection. |
| 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, Slo-mo video 1920 x 1080 (1080p) at 120 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, 7680 x 4320 (8K) at 30fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | RAW image capture, Barcode Scanner, Cutout, Quad Pixel technology, smart composition, shot optimisation, Google Lens, Assistive Grid, Omni PDAF |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 13 Megapixel | Motorola ThinkPhone 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 | Motorola ThinkPhone has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | B&W lens | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Camera Functions (3rd Camera) | Macro camera | Depth camera | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Motorola ThinkPhone has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.2 | F/2.45 | Realme C21 has better front lens aperture than Realme C21. |
| Lens Element Qty (Front) | 3-element | - | |
| Pixel Size (Front) | - | 0.7 μm | |
| Focus Adjustment | - | Automatic | |
| Special Effects (Front) | HDR | HDR, Live Filters | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | Timer mode, BurstShot, Watermark mode, Video Snapshot, Face Beauty, Active photos, Selfie Mirror, Portrait, Group selfie, video filters, Auto smile capture, Spot colour, Capture Dual, Gesture Capture, Timelapse with Hyperlapse, Professional (with Long Exposure), Auto night vision | |
| 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, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Front) | - | Video image stabilisation, RAW photo, Quad Pixel technology for 1.4 µm, levelling, Selfie animation, Assistive grid, Shot Optimisation |
| BATTERY AND CHARGING | Realme C21 | Motorola ThinkPhone |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | TurboPower technology | Motorola ThinkPhone has fast charging technology. |
| Wireless Charging | - | Yes | Motorola ThinkPhone can be charged wirelessly. |
| Run Time Details | - | Standard usage: up to 36 hrs |
| CELLULAR | Realme C21 | Motorola ThinkPhone |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Motorola ThinkPhone has more advanced generation mobile network. |
| Operating System | Android 10 | Android 13 | |
| User Interface | Realme UI | My UX | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, Galileo, LTEPP, SUPL |
| COMMUNICATIONS | Realme C21 | Motorola ThinkPhone |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 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 8, Band 19 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 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 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, 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 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 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 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 | |
| NFC | - | Yes | Motorola ThinkPhone has NFC reader for mobile payments. |
| MEDIA | Realme C21 | Motorola ThinkPhone |
|---|
| Sound Enhancements | - | Dolby Atmos sound technology |
|---|
| FEATURES | Realme C21 | Motorola ThinkPhone |
|---|
| 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, SAR sensor, gyroscope | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Security Technology | - | ThinkShield for Mobile, Moto KeySafe | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Dual microphones, Gesture Controls, Android Sensor Hub, Media Control, DisplayPort over USB Type-C, dual stereo speakers tuned by Dolby Atmos, App Streaming, File Drop |
| OTHERS | Realme C21 | Motorola ThinkPhone |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Protective cover, SIM card removal tool, USB-C cable, TurboPower 68W charger | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IP68, DisplayPort 1.4, MIL-STD 810H |
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