Detailed comparison and review of Nubia Z7 mini and Nokia G21. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Nubia Z7 mini | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 140.9 mm | 164.6 mm | Nokia G21 has greater height than Nubia Z7 mini. |
| Width | 69.3 mm | 75.9 mm | Nokia G21 has greater width than Nubia Z7 mini. |
| Depth | 8.2 mm | 8.5 mm | Nubia Z7 mini is narrower than Nubia Z7 mini. |
| Weight | 143 g | 190 g | Nubia Z7 mini is lighter than Nubia Z7 mini. |
| Body Colour | White | Nordic blue | Dusk | |
| Body Material | - | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.048 W/kg (body), 0.339 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Nubia Z7 mini | Nokia G21 |
|---|
| Screen Size (Display Size) | 5" | 6.5" | Nokia G21 has larger screen size than Nubia Z7 mini. |
|---|---|---|---|
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Nubia Z7 mini has better screen resolution than Nokia G21. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 445 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | - | V-notch display, High brightness mode |
| PROCESSOR | Nubia Z7 mini | Nokia G21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 801 | Unisoc | |
|---|---|---|---|
| Processor Number | - | T606 | |
| Clock Speed | 2 GHz | 1.6 GHz | Nubia Z7 mini has higher clock speed than Nokia G21. |
| Processor Core Qty | Quad-core | 8-core | Nokia G21 has higher processor core quantity than Nubia Z7 mini. |
| Graphics System (GPU) | Qualcomm ADRENO 330 | - |
| MEMORY | Nubia Z7 mini | Nokia G21 |
|---|
| RAM | 2 GB | 4 GB | Nokia G21 has more RAM than Nubia Z7 mini. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Nokia G21 has more internal memory than Nubia Z7 mini. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 64 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Nubia Z7 mini | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than Nubia Z7 mini. |
| Sensor Size | - | 1/2.76" | |
| Sensor Type | - | CMOS | |
| Sensor Name | Sony Exmor RS IMX214 sensor | - | |
| Lens Aperture | F/2.0 | F/1.8 | Nokia G21 has better lens aperture than Nubia Z7 mini. |
| Lens Construction | - | 5-element | |
| Pixel Size | - | 0.64 μm | |
| Focus Adjustment | Automatic | - | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | - | |
| Camera Features (Functions) | - | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Nokia G21 has better front camera resolution than Nubia Z7 mini. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | Nubia Z7 mini | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 2300 mAh | 5050 mAh | Nokia G21 has larger battery capacity than Nubia Z7 mini. |
|---|---|---|---|
| Standby Time | 580 hours | - | |
| Talk Time | 1800 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 1800 min Standby (WCDMA): up to 580 hrs |
Mixed usage: up to 72 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Nubia Z7 mini | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 4.4.2 (KitKat) | Android 11 | |
| User Interface | Nubia UI 2.0 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Nubia Z7 mini | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | LTE | |
|---|---|---|---|
| 2G Band | 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 7 | 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 2600 | 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 4.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | - | Yes | Nokia G21 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Nubia Z7 mini | Nokia G21 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - | |
| Sound Enhancements | - | OZO spatial sound recording |
| FEATURES | Nubia Z7 mini | Nokia G21 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | - | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | DLNA Certified, sharing media via DLNA | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | Nubia Z7 mini | Nokia G21 |
|---|
| Included Accessories | Power adapter | USB-C cable, screen protector (pre-applied), 10W charger |
|---|
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