Side by side comparison and review of ZTE BLADE A512 and Nokia G21. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | ZTE BLADE A512 | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 147.5 mm | 164.6 mm | Nokia G21 has greater height than ZTE BLADE A512. |
| Width | 72.8 mm | 75.9 mm | Nokia G21 has greater width than ZTE BLADE A512. |
| Depth | 7.6 mm | 8.5 mm | ZTE BLADE A512 is narrower than ZTE BLADE A512. |
| Weight | 130 g | 190 g | ZTE BLADE A512 is lighter than ZTE BLADE A512. |
| Body Colour | Black | Nordic blue | Dusk | |
| Body Material | - | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.46 W/kg (body), 0.48 W/kg (head) | 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) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | ZTE BLADE A512 | Nokia G21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.2" | 6.5" | Nokia G21 has larger screen size than ZTE BLADE A512. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | Nokia G21 has better screen resolution than ZTE BLADE A512. |
| Display Format | HD | HD+ | |
| Pixel Density | 249 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | - | V-notch display, High brightness mode |
| PROCESSOR | ZTE BLADE A512 | Nokia G21 |
|---|
| Processor Type (CPU) | Qualcomm | Unisoc | |
|---|---|---|---|
| Processor Number | MSM8917 | T606 | |
| Clock Speed | 1.4 GHz | 1.6 GHz | Nokia G21 has higher clock speed than ZTE BLADE A512. |
| Processor Core Qty | Quad-core | 8-core | Nokia G21 has higher processor core quantity than ZTE BLADE A512. |
| MEMORY | ZTE BLADE A512 | Nokia G21 |
|---|
| RAM | 2 GB | 4 GB | Nokia G21 has more RAM than ZTE BLADE A512. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Nokia G21 has more internal memory than ZTE BLADE A512. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | ZTE BLADE A512 | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than ZTE BLADE A512. |
| Sensor Size | - | 1/2.76" | |
| Sensor Type | - | CMOS | |
| Lens Aperture | - | F/1.8 | |
| Lens Construction | - | 5-element | |
| Pixel Size | - | 0.64 μm | |
| Focus Adjustment | Automatic | - | |
| Face Recognition (Face ID) | Smile shutter | - | ZTE BLADE A512 has face detection. |
| Light Source | LED light | LED flash | |
| 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 ZTE BLADE A512. |
| BATTERY AND CHARGING | ZTE BLADE A512 | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 2540 mAh | 5050 mAh | Nokia G21 has larger battery capacity than ZTE BLADE A512. |
|---|---|---|---|
| Run Time Details | - | Mixed usage: up to 72 hrs |
| CELLULAR | ZTE BLADE A512 | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | A-GPS | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | ZTE BLADE A512 | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-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 | |
| 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 | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| NFC | - | Yes | Nokia G21 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ZTE BLADE A512 | Nokia G21 |
|---|
| Supported Digital Audio Standards | WAV, PCM, Ogg Vorbis, AMR, MP3, AAC-LC, AAC +, MIDI, AMR-WB, AMR-NB, HE-AAC v1 | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, HEVC, H.265 | - | |
| Sound Enhancements | - | OZO spatial sound recording |
| FEATURES | ZTE BLADE A512 | Nokia G21 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | - | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | - | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | ZTE BLADE A512 | Nokia G21 |
|---|
| Included Accessories | Hands-free headset, USB cable, power adapter | USB-C cable, screen protector (pre-applied), 10W charger |
|---|
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