In depth comparison and review of Realme 6 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 | Realme 6 | Realme C21 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | RMX2001 | - | |
Form Factor | Touch | Touch | |
Height | 162.1 mm | 165.2 mm | Realme C21 has greater height than Realme 6. |
Width | 74.8 mm | 76.4 mm | Realme C21 has greater width than Realme 6. |
Depth | 8.9 mm | 8.9 mm | Both phones are the same depth. |
Weight | 191 g | 190 g | Realme C21 is lighter than Realme 6. |
Body Colour | Comet white | Cross black | Cross blue | |
Protection | Splash-resistant | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.571 W/kg (body), 0.709 W/kg (head) | - | |
Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Realme 6 | Realme C21 |
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Display Type | - | LCD display | |
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Display Technology | - | LCD | |
Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Realme 6 has better screen resolution than Realme C21. |
Display Format | Full HD+ | HD+ | |
Aspect Ratio | - | 20:9 | |
Max Brightness | - | 420 cd/m² | |
Display Features | 90Hz Ultra Smooth Display | Mini-drop display | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
PROCESSOR | Realme 6 | Realme C21 |
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Processor Type (CPU) | MediaTek Helio G90T | MediaTek Helio G35 | |
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Clock Speed | 2.05 GHz | 2.3 GHz | Realme C21 has higher clock speed than Realme 6. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Mali-G76 | PowerVR GE8320 |
MEMORY | Realme 6 | Realme C21 |
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RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 3 GB | Realme 6 has more RAM than Realme C21. |
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Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Realme 6 has more internal memory than Realme C21. |
Memory Interface | UFS 2.1 | - | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 256 GB | microSD |
CAMERA | Realme 6 | Realme C21 |
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MAIN CAMERA |
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Number of Main Cameras | 4 | 3 | |
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Sensor Resolution | 64 Megapixel | 13 Megapixel | Realme 6 has better camera resolution than Realme C21. |
Sensor Size | 1/1.7" | - | |
Sensor Name | Samsung GW1 Sensor | - | |
Lens Aperture | F/1.8 | F/2.2 | Realme 6 has better lens aperture than Realme 6. |
Lens Construction | 6-element | 5-element | |
Field of View (FoV) | 78.6 degree(s) | - | |
Focus Adjustment | Automatic | Automatic | |
Digital Zoom | - | 4x | |
Special Effects | HDR, Bokeh effect | HDR | |
Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, portrait mode, AI Beauty, Ultra Macro Mode, Filter mode, Super Nightscape 2.0, Ultra 64MP Mode, Ultra Wide Mode | 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 | |
Still Image Resolutions | 9280 x 6944 | - | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | 1920 x 1080 (1080p) at 30 fps | |
Camera Features (Functions) | AI scene recognition, AI Quad camera, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Realme 6 has better second camera resolution than Realme C21. |
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Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
Lens Aperture (2nd Camera) | F/2.3 | F/2.4 | Realme 6 has better second camera lens aperture than Realme 6. |
Lens Element Qty (2nd Camera) | 5-element | 3-element | |
Field of View (2nd Camera) | 119 degree(s) | - | |
Camera Functions (2nd Camera) | - | B&W lens | |
Camera Features (2nd Camera) | 5-piece lens | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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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 | 3-element | |
Camera Functions (3rd Camera) | Potrait camera | Macro camera | |
Camera Features (3rd Camera) | B&W Portrait lens | 4cm macro photography |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | 2 Megapixel | - | |
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Lens Aperture (4th Camera) | F/2.4 | - | |
Lens Element Qty (4th Camera) | 3-element | - | |
Camera Functions (4th Camera) | Macro camera | - | |
Camera Features (4th Camera) | 4cm macro photography | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | Realme 6 has better front camera resolution than Realme C21. |
Lens Aperture (Front) | F/2.0 | F/2.2 | Realme 6 has better front lens aperture than Realme 6. |
Lens Element Qty (Front) | 5-element | 3-element | |
Field of View (Front) | 79.3 degree(s) | - | |
Special Effects (Front) | HDR, Bokeh effect | HDR | |
Camera Modes (Front) | Panorama, Time-lapse mode, Slow motion mode, AI Beauty, Portrait, Filter mode | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
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 | - |
BATTERY AND CHARGING | Realme 6 | Realme C21 |
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Battery Capacity (Battery Size) | 4300 mAh | 5000 mAh | Realme C21 has larger battery capacity than Realme 6. |
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Fast Charging Technology | VOOC Flash Charge technology | - | Realme 6 has fast charging technology. |
Recharge Time (Charging Time) | 1 hour | - |
CELLULAR | Realme 6 | Realme C21 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 10 | Android 10 | |
User Interface | Realme UI | Realme UI | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | Realme 6 | Realme C21 |
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Data Transmission | FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
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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 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, 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 |
FEATURES | Realme 6 | Realme C21 |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
Security Devices | Fingerprint reader (side) | Fingerprint reader | |
Additional Phone Features | HyperBoost | Super power saving mode, HyperEngine technology, Reverse charging |
OTHERS | Realme 6 | Realme C21 |
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Included Accessories | SIM card removal tool, USB-C cable, protective case, protective film, 30W fast charger | USB cable, power adapter, SIM card removal tool | |
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Compliant Standards | - | TUV Rheinland |