In depth comparison and review of ZTE Grand X2 In 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 | ZTE Grand X2 In | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | - | 165.2 mm | |
| Width | - | 76.4 mm | |
| Depth | - | 8.9 mm | |
| Weight | - | 190 g | |
| Body Colour | Blue | Cross black | Cross blue | |
| Waterproof (Water-resistant) | - | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | - | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | ZTE Grand X2 In | Realme C21 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 4.5" | 6.5" | Realme C21 has larger screen size than ZTE Grand X2 In. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | Realme C21 has better screen resolution than ZTE Grand X2 In. |
| Display Format | HD | HD+ | |
| Pixel Density | 326 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | One Glass Solution | Mini-drop display |
| PROCESSOR | ZTE Grand X2 In | Realme C21 |
|---|
| Processor Type (CPU) | Intel Atom | MediaTek Helio G35 | |
|---|---|---|---|
| Processor Number | Z2580 | - | |
| Clock Speed | 2 GHz | 2.3 GHz | Realme C21 has higher clock speed than ZTE Grand X2 In. |
| Processor Core Qty | Dual-core | 8-core | Realme C21 has higher processor core quantity than ZTE Grand X2 In. |
| Graphics System (GPU) | PowerVR SGX544MP2 | PowerVR GE8320 |
| MEMORY | ZTE Grand X2 In | Realme C21 |
|---|
| RAM | 1 GB | LPDDR4X SDRAM - 3 GB | Realme C21 has more RAM than ZTE Grand X2 In. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 32 GB | Realme C21 has more internal memory than ZTE Grand X2 In. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSD |
| CAMERA | ZTE Grand X2 In | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 13 Megapixel | Realme C21 has better camera resolution than ZTE Grand X2 In. |
| Sensor Type | BSI-CMOS | - | |
| Lens Aperture | - | F/2.2 | |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special Effects | - | HDR | |
| Camera Modes | - | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Face Recognition (Face ID) | Face detection | - | ZTE Grand X2 In has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | B&W lens |
| 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) | 1 Megapixel | 5 Megapixel | Realme C21 has better front camera resolution than ZTE Grand X2 In. |
| Lens Aperture (Front) | - | F/2.2 | |
| Lens Element Qty (Front) | - | 3-element | |
| 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. |
| BATTERY AND CHARGING | ZTE Grand X2 In | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 5000 mAh | Realme C21 has larger battery capacity than ZTE Grand X2 In. |
|---|---|---|---|
| Battery Technology | Lithium Ion | - |
| CELLULAR | ZTE Grand X2 In | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Realme C21 has more advanced generation mobile network. |
| Operating System | Android 4.1 (Jelly Bean) | Android 10 | |
| User Interface | - | Realme UI | |
| Navigation | A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ZTE Grand X2 In | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, DC-HSPA+ | 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 5, Band 8 | |
| 3G UMTS Frequency | - | 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 | |
| 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 | |
| Wireless Interface | Wi-Fi | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | ZTE Grand X2 In | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, MP3, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - |
| FEATURES | ZTE Grand X2 In | Realme C21 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | DLNA Certified, sharing media via DLNA | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | ZTE Grand X2 In | Realme C21 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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