In depth comparison and review of Realme C21 and Realme GT 2 Pro. 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 | Realme GT 2 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3301 | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 163.2 mm | Realme C21 has greater height than Realme GT 2 Pro. |
| Width | 76.4 mm | 74.7 mm | Realme C21 has greater width than Realme GT 2 Pro. |
| Depth | 8.9 mm | 8.18 mm | Realme GT 2 Pro is narrower than Realme C21. |
| Weight | 190 g | 189 g | Realme GT 2 Pro is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Paper white | Steel black | |
| Body Material | - | ISCC-certified biopolymer | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.994 W/kg (head), 2.79 W/kg (limb), 1.279 W/kg (body) | |
| 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 | Realme GT 2 Pro |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | AMOLED (LTPO) | |
| Screen Size (Display Size) | 6.5" | 6.7" | Realme GT 2 Pro has larger screen size than Realme C21. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 3216 x 1440 pixels | Realme GT 2 Pro has better screen resolution than Realme C21. |
| Display Format | HD+ | WQHD+ | |
| Pixel Density | - | 525 ppi | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 420 cd/m² | 1400 cd/m² | Realme GT 2 Pro has better display brightness than Realme C21. |
| Colour Depth | - | 1.07 billion colours | |
| Contrast Ratio | - | 5000000:1 | |
| HDR | - | Yes | Realme GT 2 Pro has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 1000 Hz | |
| Display Features | Mini-drop display | DisplayMate A+, 100% DCI-P3, 1-120Hz adaptive refresh rate with LTPO 2.0 technology, Brightness levels: 10240, JNCD 0.5 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Realme C21 | Realme GT 2 Pro |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 8 Gen 1 | |
|---|---|---|---|
| Processor Number | - | SM8450 | |
| Clock Speed | 2.3 GHz | 3 GHz | Realme GT 2 Pro 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 |
| MEMORY | Realme C21 | Realme GT 2 Pro |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR5 SDRAM - 12 GB | Realme GT 2 Pro has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Realme GT 2 Pro has more internal memory than Realme C21. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Realme C21 | Realme GT 2 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Realme GT 2 Pro has better camera resolution than Realme C21. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony IMX766 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.8 | Realme GT 2 Pro has better lens aperture than Realme C21. |
| Lens Construction | 5-element | 6-element | |
| Field of View (FoV) | - | 84.4 degree(s) | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Realme GT 2 Pro has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 23.6 mm | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | HDR, Bokeh effect, video bokeh effect | |
| HDR Mode | - | AI HDR Video | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | Slow motion video, Time-lapse mode, Expert Mode, 3D mode, AI Beauty, Filter mode, Dual-View Video, Panorama View, Super Nightscape Mode, Portrait Distortion Correctin, microscope, Tilt Shift, 50MP mode, Bokeh Flare Portrait, Starry time-lapse video, Street Photography Mode, fish-eye mode, AI Nightscape video, Dynamic Bokeh portrait, Tilt-shift time-lapse video | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 7680 x 4320 (8k) | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Video stabilisation, Text scanner, Video Beautify, AI scene recognition, ProLight Imaging technology, AI Noise Reduction Engine 3.0, OIS+EIS dual stabilisation |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 50 Megapixel | Realme GT 2 Pro 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 | Realme GT 2 Pro has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | 6-element | |
| Field of View (2nd Camera) | - | 150 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 15 mm | |
| Camera Functions (2nd Camera) | B&W lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Tele-macro lens | |
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | 4cm macro photography | Micro-lens Camera 2.0, magnification 40x |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Realme GT 2 Pro has better front camera resolution than Realme C21. |
| Sensor Size (Front) | - | 1/3.09" | |
| Sensor Name (Front) | - | Sony 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 | - | |
| Field of View (Front) | - | 80.6 degree(s) | |
| Special Effects (Front) | HDR | HDR, Portrait bokeh, Adjustable Bokeh | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | Beauty mode, Timelapse video, Filter mode, Super nightscape, Dual-View Video, Panorama View, Portrait Distortion Correction | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | UIS video stabilisation |
| BATTERY AND CHARGING | Realme C21 | Realme GT 2 Pro |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | SuperDart Charge | Realme GT 2 Pro has fast charging technology. |
| Recharge Time (Charging Time) | - | 33 min | |
| Run Time Details | - | Streaming (video): up to 21 hrs |
| CELLULAR | Realme C21 | Realme GT 2 Pro |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Realme GT 2 Pro has more advanced generation mobile network. |
| Operating System | Android 10 | Android 12 | |
| User Interface | Realme UI | Realme UI 3.0 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Realme C21 | Realme GT 2 Pro |
|---|
| 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 25, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, 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, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, 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 | Realme GT 2 Pro has NFC reader for mobile payments. |
| Modem | - | Snapdragon X65 5G |
| MEDIA | Realme C21 | Realme GT 2 Pro |
|---|
| Supported Digital Audio Standards | - | AAC, apt-X, LDAC, SBC, apt-X HD, LHDC | |
|---|---|---|---|
| Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio |
| FEATURES | Realme C21 | Realme GT 2 Pro |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, magnetometer, light sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, dual ambient light sensor, dual colour temperature sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Dual noise-cancelling microphones, X-axis linear vibration motor, super-linear dual speakers, Qualcomm 7th generation AI Engine, Stainless Steel Vapour Cooling Max, 360° NFC |
| OTHERS | Realme C21 | Realme GT 2 Pro |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Screen protection film, SIM card removal tool, USB-C cable, protective case, 65W SuperDart Charger | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | - |
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