In depth comparison and review of TCL 10 Pro and Realme C21. 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 | TCL 10 Pro | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | T799H | - | |
| Form Factor | Touch | Touch | |
| Height | 158.5 mm | 165.2 mm | Realme C21 has greater height than TCL 10 Pro. |
| Width | 72.4 mm | 76.4 mm | Realme C21 has greater width than TCL 10 Pro. |
| Depth | 9.2 mm | 8.9 mm | Realme C21 is narrower than TCL 10 Pro. |
| Weight | 177 g | 190 g | TCL 10 Pro is lighter than TCL 10 Pro. |
| Body Colour | Ember grey | Forest mist green | Cross black | Cross blue | |
| Body Material | 3D glass, gradient pattern and OPVD film | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.62 W/kg (body), 1.05 W/kg (head) | - | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | TCL 10 Pro | Realme C21 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | LCD | |
| Screen Size (Display Size) | 6.47" | 6.5" | Realme C21 has larger screen size than TCL 10 Pro. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | TCL 10 Pro has better screen resolution than Realme C21. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 398 ppi | - | |
| Aspect Ratio | 19.5:9 | 20:9 | |
| Max Brightness | 986 cd/m² | 420 cd/m² | TCL 10 Pro has better display brightness than Realme C21. |
| Contrast Ratio | 2000000:1 | - | |
| HDR | Yes | - | TCL 10 Pro has HDR. |
| HDR Technology | HDR10 | - | |
| Display Enhancement Technology | Eye comfort mode, Adaptive Tone | - | |
| Display Features | Reading mode, 3D Glass, DCI-P3 Wide colour gamut, AOD(Always On Display), Dark mode, TCL NXTVISION, Dedicated display engine | Mini-drop display |
| PROCESSOR | TCL 10 Pro | Realme C21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 675 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.3 GHz | Realme C21 has higher clock speed than TCL 10 Pro. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | TCL 10 Pro has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 612 | PowerVR GE8320 |
| MEMORY | TCL 10 Pro | Realme C21 |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 3 GB | TCL 10 Pro has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | TCL 10 Pro has more internal memory than Realme C21. |
| User Memory | 103 GB | - | |
| Memory Interface | UFS 2.1 | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | TCL 10 Pro | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 13 Megapixel | TCL 10 Pro has better camera resolution than Realme C21. |
| Sensor Size | 1/1.7" | - | |
| Sensor Name | Samsung GW1 Sensor | - | |
| Lens Aperture | F/1.79 | F/2.2 | TCL 10 Pro has better lens aperture than TCL 10 Pro. |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | 79 degree(s) | - | |
| Pixel Size | 0.8 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Digital Zoom | 10x | 4x | TCL 10 Pro has better digital zoom than Realme C21. |
| Special Effects | HDR | HDR | |
| Camera Modes | Slow motion video, Panorama, Slow motion mode, Pro mode, portrait mode, Auto Zoom, Super Night mode, Light Trace Mode, photo filters, Stop-Motion Video Mode, Super Macro Mode | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Scene recognition, Phase Detect Auto-Focus (PDAF), contrast detection auto-focus (CDAF), laser detection auto focus (LDAF) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | 2 Megapixel | TCL 10 Pro has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/3" | - | |
| Sensor Name (2nd Camera) | Samsung S5K3P9 | - | |
| Lens Type (2nd Camera) | Super wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | 5-element | 3-element | |
| Field of View (2nd Camera) | 123 degree(s) | - | |
| Pixel Size (2nd Camera) | 1 μm | - | |
| Camera Functions (2nd Camera) | - | B&W lens | |
| Camera Features (2nd Camera) | 5-piece lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | TCL 10 Pro has higher resolution third camera than Realme C21. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | - | |
| Sensor Name (3rd Camera) | GC5035 | - | |
| Lens Aperture (3rd Camera) | F/2.2 | F/2.4 | TCL 10 Pro has better third camera lens aperture than TCL 10 Pro. |
| Lens Element Qty (3rd Camera) | 3-element | 3-element | |
| Field of View (3rd Camera) | 83 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.12 μm | - | |
| Camera Functions (3rd Camera) | Macro camera | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/2.8" | - | |
| Sensor Name (4th Camera) | OmniVision OV02K10 sensor | - | |
| Lens Aperture (4th Camera) | F/1.8 | - | |
| Lens Element Qty (4th Camera) | 5-element | - | |
| Field of View (4th Camera) | 77 degree(s) | - | |
| Pixel Size (4th Camera) | 2.9 μm | - | |
| Camera Functions (4th Camera) | Super low light | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 24 Megapixel | 5 Megapixel | TCL 10 Pro has better front camera resolution than Realme C21. |
| Sensor Size (Front) | 1/2.8" | - | |
| Sensor Name (Front) | OV24B | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | TCL 10 Pro has better front lens aperture than TCL 10 Pro. |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | 79.6 degree(s) | - | |
| Pixel Size (Front) | 0.9 μm | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | Face Beautification | HDR | |
| Camera Modes (Front) | Photo filters, video filters | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic 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, 1280 x 720 (720p) at 30 fps | - |
| BATTERY AND CHARGING | TCL 10 Pro | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 5000 mAh | Realme C21 has larger battery capacity than TCL 10 Pro. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | TCL 10 Pro has fast charging technology. |
| Recharge Time (Charging Time) | 120 min | - | |
| Standby Time | 600 hours | - | |
| Talk Time | 1680 minutes | - | |
| Run Time Details | Standby: up to 600 hrs Talk (3G): up to 1680 min Talk (2G): up to 1200 min Talk (4G): up to 1080 min |
- |
| CELLULAR | TCL 10 Pro | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 10 | |
| User Interface | TCL UI | Realme UI | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | TCL 10 Pro | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 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 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | TCL 10 Pro has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | TCL 10 Pro | Realme C21 |
|---|
| Supported Digital Audio Standards | PCM, MP3, FLAC, AAC-LC, AAC +, eAAC+, MIDI, apt-X, LDAC, AMR-WB, AMR-NB, Vorbis, apt-X HD, WAVE, TWS | - |
|---|
| FEATURES | TCL 10 Pro | Realme C21 |
|---|
| 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, digital compass, gyro sensor, hall sensor, RGB sensor, infrared (IR) sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader | |
| Security Technology | Face Key | - | |
| Additional Phone Features | Google Lens, Google Assistant Button | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | TCL 10 Pro | Realme C21 |
|---|
| Included Accessories | Power adapter, protective case | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Low Blue Light Certification | TUV Rheinland |
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