In depth comparison and review of Realme X3 Superzoom and Nokia G21. 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 X3 Superzoom | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | RMX2086 | - | |
| Form Factor | Touch | Touch | |
| Height | 163.8 mm | 164.6 mm | Nokia G21 has greater height than Realme X3 Superzoom. |
| Width | 75.8 mm | 75.9 mm | Nokia G21 has greater width than Realme X3 Superzoom. |
| Depth | 8.9 mm | 8.5 mm | Nokia G21 is narrower than Realme X3 Superzoom. |
| Weight | 202 g | 190 g | Nokia G21 is lighter than Realme X3 Superzoom. |
| Body Colour | Glacier blue | Nordic blue | Dusk | |
| Body Material | - | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.931 W/kg (body), 0.897 W/kg (head), 1.914 W/kg (limb) | 1.048 W/kg (body), 0.339 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | USB Type-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Realme X3 Superzoom | Nokia G21 |
|---|
| Screen Size (Display Size) | 6.6" | 6.5" | Realme X3 Superzoom has larger screen size than Nokia G21. |
|---|---|---|---|
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Realme X3 Superzoom has better screen resolution than Nokia G21. |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | 120Hz Ultra Smooth Display | V-notch display, High brightness mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Realme X3 Superzoom | Nokia G21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855+ | Unisoc | |
|---|---|---|---|
| Processor Number | - | T606 | |
| Clock Speed | 2.96 GHz | 1.6 GHz | Realme X3 Superzoom has higher clock speed than Nokia G21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 640 | - |
| MEMORY | Realme X3 Superzoom | Nokia G21 |
|---|
| RAM | LPDDR4X SDRAM - 12 GB | 4 GB | Realme X3 Superzoom has more RAM than Nokia G21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | Realme X3 Superzoom has more internal memory than Nokia G21. |
| Memory Interface | UFS 3.0 | - | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Realme X3 Superzoom | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 50 Megapixel | Realme X3 Superzoom has better camera resolution than Nokia G21. |
| Sensor Size | 1/1.72" | 1/2.76" | Nokia G21 has better camera sensor size than Realme X3 Superzoom. |
| Sensor Type | - | CMOS | |
| Sensor Name | Samsung GW1 Sensor | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | 78.6 degree(s) | - | |
| Pixel Size | - | 0.64 μm | |
| Focus Adjustment | Automatic | - | |
| Minimum Focal Length (Focal Distance) | 26 mm | - | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, AI mode, Ultra Macro Mode, Super nightscape, Ultra Wide Mode, Starry mode | - | |
| Light Source | LED flash | LED flash | |
| 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, 3840 x 2160 (4K) at 60 fps | - | |
| Camera Features (Functions) | AI Beautify, AI scene recognition, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation, 60X Super Zoom | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Realme X3 Superzoom has better second camera resolution than Nokia G21. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.3 | - | |
| Lens Element Qty (2nd Camera) | 5-element | - | |
| Field of View (2nd Camera) | 119 degree(s) | - | |
| Minimum Focal Length (2nd Camera) | 16 mm | - | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | 2 Megapixel | Realme X3 Superzoom has higher resolution third camera than Nokia G21. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/3.4 | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Realme X3 Superzoom has optical stabilisation of the third camera. |
| Optical Zoom | 5x | - | |
| Camera Functions (3rd Camera) | - | Depth camera | |
| Camera Features (3rd Camera) | 60x Super Zoom | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Macro camera | - | |
| Camera Features (4th Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 8 Megapixel | Realme X3 Superzoom has better front camera resolution than Nokia G21. |
| Sensor Name (Front) | Sony Exmor RS IMX616 sensor | - | |
| Lens Aperture (Front) | F/2.5 | - | |
| Lens Element Qty (Front) | 5-element | - | |
| Field of View (Front) | 80.4 degree(s) | - | |
| Special Effects (Front) | Beauty effect | - | |
| Camera Modes (Front) | Time-lapse mode, front-facing panorama, Portrait, Mirror mode, Super nightscape, Wide | - | |
| Face Recognition (Face ID) | Face recognition | - | Realme X3 Superzoom has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/2.2 | - | |
| Field of View (2nd Front) | 105 degree(s) | - | |
| Camera Features (2nd Front) | 5-piece lens | - |
| BATTERY AND CHARGING | Realme X3 Superzoom | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 4200 mAh | 5050 mAh | Nokia G21 has larger battery capacity than Realme X3 Superzoom. |
|---|---|---|---|
| Fast Charging Technology | Dart Charge | - | Realme X3 Superzoom has fast charging technology. |
| Run Time Details | - | Mixed usage: up to 72 hrs |
| CELLULAR | Realme X3 Superzoom | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 11 | |
| User Interface | Realme UI | - | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Realme X3 Superzoom | Nokia G21 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | 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 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 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 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Realme X3 Superzoom | Nokia G21 |
|---|
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio certified | OZO spatial sound recording |
|---|
| FEATURES | Realme X3 Superzoom | Nokia G21 |
|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor | Accelerometer, ambient light sensor, proximity sensor | |
|---|---|---|---|
| Security Devices | Fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | MIMO technology, dual microphones with noise cancellation, liquid cooling | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | Realme X3 Superzoom | Nokia G21 |
|---|
| Included Accessories | SIM card removal tool, USB-C cable, protective case, 30W Dart charger | USB-C cable, screen protector (pre-applied), 10W charger |
|---|
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