In depth comparison and review of ASUS ZenFone 7 Pro 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 | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS671KS | - | |
| Form Factor | Touch | Touch | |
| Height | 165.08 mm | 164.6 mm | ASUS ZenFone 7 Pro has greater height than Nokia G21. |
| Width | 77.28 mm | 75.9 mm | ASUS ZenFone 7 Pro has greater width than Nokia G21. |
| Depth | 9.6 mm | 8.5 mm | Nokia G21 is narrower than ASUS ZenFone 7 Pro. |
| Weight | 230 g | 190 g | Nokia G21 is lighter than ASUS ZenFone 7 Pro. |
| Body Colour | Aurora black | 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 | |
| Connector Type | USB Type-C - 24 pin USB-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 | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 6.67" | 6.5" | ASUS ZenFone 7 Pro has larger screen size than Nokia G21. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | ASUS ZenFone 7 Pro has better screen resolution than Nokia G21. |
| Display Format | - | HD+ | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 700 cd/m² | 400 cd/m² | ASUS ZenFone 7 Pro has better display brightness than Nokia G21. |
| HDR | Yes | - | ASUS ZenFone 7 Pro has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | DC Dimming | - | |
| Display Refresh Rate | 90 Hz | 90 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | DCI-P3 Wide colour gamut, 1ms response time, Glove Touch, Delta-E < 1, NanoEdge display | V-notch display, High brightness mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | - |
| PROCESSOR | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865+ | Unisoc | |
|---|---|---|---|
| Processor Number | SM8250 | T606 | |
| Clock Speed | 3.1 GHz | 1.6 GHz | ASUS ZenFone 7 Pro has higher clock speed than Nokia G21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 7 Pro has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 650 | - |
| MEMORY | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | 4 GB | ASUS ZenFone 7 Pro has more RAM than Nokia G21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | ASUS ZenFone 7 Pro has more internal memory than Nokia G21. |
| Memory Interface | UFS 3.1 | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Rear Camera Design | Flip | - | |
| Sensor Resolution | 64 Megapixel | 50 Megapixel | ASUS ZenFone 7 Pro has better camera resolution than Nokia G21. |
| Sensor Size | 1/1.73" | 1/2.76" | Nokia G21 has better camera sensor size than ASUS ZenFone 7 Pro. |
| Sensor Type | - | CMOS | |
| Sensor Name | Sony Exmor RS IMX686 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) | 78.3 degree(s) | - | |
| Pixel Size | 0.8 μm | 0.64 μm | ASUS ZenFone 7 Pro has larger camera pixel size than Nokia G21. |
| Focus Adjustment | Automatic | - | |
| Minimum Focal Length (Focal Distance) | 26.6 mm | - | |
| Special Effects | HDR | - | |
| Camera Modes | Slow motion video, Panorama, Time-lapse mode, Pro mode, Portrait, Night, Auto, 4K Timelapse, Pro Video, Auto Panorama | - | |
| Light Source | Dual 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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps, Motion Tracking 3840 x 2160 (4K) at 60 fps, Slo-mo video 3840 x 2160 (4K) at 120 fps | - | |
| Camera Features (Functions) | 3-axis electronic image stabilisation, RAW image capture, Wind Noise Filter, 4-axis optical image stabilisation, Instant cameras switching, 2x1 On-chip-lens phase detection autofocus, Quad Bayer technology - 16MP (1.6 µm effective pixel size), take still photos while playing 8K video, HyperSteady, Free Zoom, Mic Focus, Motion Tracking 2.0 | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 2 Megapixel | ASUS ZenFone 7 Pro has better second camera resolution than Nokia G21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/2.55" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX363 sensor | - | |
| Lens Type (2nd Camera) | Super wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Pixel Size (2nd Camera) | 1.4 μm | - | |
| Minimum Focal Length (2nd Camera) | 14.3 mm | - | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | Real-time distortion correction, Dual Pixel image sensor, supports 4 cm macro | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | 2 Megapixel | ASUS ZenFone 7 Pro has higher resolution third camera than Nokia G21. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Minimum Focal Length (3rd Camera) | 80 mm | - | |
| Optical Zoom | 3x | - | |
| Camera Functions (3rd Camera) | - | Depth camera | |
| Camera Features (3rd Camera) | 12x total zoom, 4-axis, optical image stabilisation | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 0 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | - | 8 Megapixel |
| BATTERY AND CHARGING | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5050 mAh | Nokia G21 has larger battery capacity than ASUS ZenFone 7 Pro. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0, Power Delivery 3.0 | - | ASUS ZenFone 7 Pro has fast charging technology. |
| Run Time Details | Continuous browsing (5G): up to 6.2 hrs Playback (video): up to 24 hrs Mixed usage: up to 48 hrs |
Mixed usage: up to 72 hrs | |
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | ASUS ZenFone 7 Pro has more advanced generation mobile network. |
| Operating System | Android 10 | Android 11 | |
| User Interface | ASUS ZenUI 7 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, DC-HSDPA, FDD-LTE, TDD-LTE, 5G NR FR1 | 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 2, Band 3, Band 4, Band 6, Band 8, Band 19 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1800, 1700, 800, 900, 800 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 29, Band 38, Band 39, 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 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 700d, TDD 2600, TDD 1900, 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 | |
| 5G NR Band | N1, n2, n3, n5, n7, n8, n20, n28, n38, n77, n78, n12 | - | |
| 5G NR Frequency | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 3700, TDD TD 3500, n12 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, OPP, PAN, A2DP, AVRCP, HID | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Sound Enhancements | Qualcomm aptX audio | OZO spatial sound recording | |
|---|---|---|---|
| Audio Amplifier | NXP 9874 smart amplifier | - |
| FEATURES | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, angle sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | MIMO technology, Smart Key, Triple internal microphones with ASUS Noise Reduction Technology | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | ASUS ZenFone 7 Pro | Nokia G21 |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable, transparent case, 30W fast charger, active case | USB-C cable, screen protector (pre-applied), 10W charger | |
|---|---|---|---|
| Compliant Standards | SGS | - |
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