In depth comparison and review of Realme C21 and Google Pixel 6a. 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 | Google Pixel 6a |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | G1AZG | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 152.2 mm | Realme C21 has greater height than Google Pixel 6a. |
| Width | 76.4 mm | 71.8 mm | Realme C21 has greater width than Google Pixel 6a. |
| Depth | 8.9 mm | 8.9 mm | Both phones are the same depth. |
| Weight | 190 g | 178 g | Google Pixel 6a is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Chalk | Charcoal | Sage | |
| Body Material | - | Tactile alloy frame, 3D thermoformed composite back | |
| Protection | - | Water-resistant, dust-resistant | |
| Waterproof (Water-resistant) | - | Yes | Google Pixel 6a is waterproof. |
| IP rating | - | IP67 | |
| Repairability Index | - | 6.5 (out of 10) | |
| SAR Value | - | 1.31 W/kg (body), 2.99 W/kg (limb), 0.99 W/kg (head) | |
| 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Realme C21 | Google Pixel 6a |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | OLED | |
| Screen Size (Display Size) | 6.5" | 6.134" | Realme C21 has larger screen size than Google Pixel 6a. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Google Pixel 6a has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | - | 429 ppi | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 420 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 100000:1 | |
| HDR | - | Yes | Google Pixel 6a has HDR. |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | Mini-drop display | Always-on display, Now Playing, High brightness mode, At a Glance, Smooth Display (up to 60 Hz) | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Realme C21 | Google Pixel 6a |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Google Tensor - with Titan M2 security | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Realme C21 | Google Pixel 6a |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | LPDDR5 SDRAM - 6 GB | Google Pixel 6a has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Google Pixel 6a has more internal memory than Realme C21. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Realme C21 | Google Pixel 6a |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12.2 Megapixel | Realme C21 has better camera resolution than Google Pixel 6a. |
| Sensor Size | - | 1/2.55" | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.7 | Google Pixel 6a has better lens aperture than Realme C21. |
| Lens Construction | 5-element | - | |
| Field of View (FoV) | - | 77 degree(s) | |
| Pixel Size | - | 1.4 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Google Pixel 6a has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Digital Zoom | 4x | 7x | Google Pixel 6a has better digital zoom than Realme C21. |
| Special Effects | HDR | - | |
| HDR Mode | - | Live HDR+ | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | Panorama, portrait mode, Night Sight, Top Shot, Super Res Zoom, Frequent Faces, Cinematic Pan, Motion Mode, Real Tone, Face Unblur, Magic Eraser, Portrait Light, Motion autofocus, Astrophotography timelapse | |
| White Balance | - | Custom | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Electronic Image Stabiliser (EIS), Stereo Recording, Wind Noise Filter, Dual Pixel Phase Detect Auto-Focus (PDAF), Dual Exposure Controls, 4K Timelapse with stabilisation, 4K Cinematic Pan video stabilisation, 4K Locked video stabilisation, 1080p Active video stabilisation, Fused video stabilisation, speech enhancement |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 12 Megapixel | Google Pixel 6a 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 | Google Pixel 6a has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 114 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.25 μm | |
| Camera Functions (2nd Camera) | B&W lens | - | |
| Camera Features (2nd Camera) | - | Lens correction |
| 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 | - | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Google Pixel 6a has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Google Pixel 6a has better front lens aperture than Realme C21. |
| Lens Element Qty (Front) | 3-element | - | |
| Field of View (Front) | - | 84 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| 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 |
| BATTERY AND CHARGING | Realme C21 | Google Pixel 6a |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4410 mAh | Realme C21 has larger battery capacity than Google Pixel 6a. |
|---|---|---|---|
| Fast Charging Technology | - | Power Delivery 3.0 | Google Pixel 6a has fast charging technology. |
| Run Time Details | - | Mixed usage: up to 24 hrs Mixed usage (Extreme Battery Saver): up to 72 hrs |
| CELLULAR | Realme C21 | Google Pixel 6a |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Google Pixel 6a has more advanced generation mobile network. |
| Operating System | Android 10 | Android 12 | |
| User Interface | Realme UI | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Realme C21 | Google Pixel 6a |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | EDGE, HSDPA, HSPA+, 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 14, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 48, Band 66, Band 71 | |
| 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 700 PS, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n66, n71, n77, n78, n40, n25, n12, n48, n30 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12, TDD 3500, FDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | - | Yes | Google Pixel 6a has NFC reader for mobile payments. |
| MEDIA | Realme C21 | Google Pixel 6a |
|---|
| Supported Digital Video Standards | - | H.264 AVC, H.265 HEVC |
|---|
| FEATURES | Realme C21 | Google Pixel 6a |
|---|
| 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, barometer, magnetometer, gyro sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Dual microphones, MIMO technology, Extreme power saving mode, Noise suppression, Fast Charging, ARCore, 5 years of Security Updates |
| OTHERS | Realme C21 | Google Pixel 6a |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | SIM card removal tool, Quick switch adapter, USB-C to USB-C cable (1 m) | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IP67, HAC (Hearing Aid Compatible) |
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