In depth comparison and review of ASUS ZenFone 7 Pro and Vivo V21 5G. 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 | Vivo V21 5G |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZS671KS | V2050 | |
Form Factor | Touch | Touch | |
Height | 165.08 mm | 159.68 mm | ASUS ZenFone 7 Pro has greater height than Vivo V21 5G. |
Width | 77.28 mm | 73.9 mm | ASUS ZenFone 7 Pro has greater width than Vivo V21 5G. |
Depth | 9.6 mm | 7.29 mm | Vivo V21 5G is narrower than ASUS ZenFone 7 Pro. |
Weight | 230 g | 176 g | Vivo V21 5G is lighter than ASUS ZenFone 7 Pro. |
Body Colour | Aurora black | Dusk blue | Sunset dazzle | |
Body Material | - | Matte glass | |
Waterproof (Water-resistant) | - | - | |
IP rating | - | IP52 | |
SAR Value | - | 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head) | |
Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
DISPLAY | ASUS ZenFone 7 Pro | Vivo V21 5G |
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Display Type | OLED display | OLED display | |
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Display Technology | AMOLED | AMOLED | |
Screen Size (Display Size) | 6.67" | 6.44" | ASUS ZenFone 7 Pro has larger screen size than Vivo V21 5G. |
Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2404 x 1080 pixels | Vivo V21 5G has better screen resolution than ASUS ZenFone 7 Pro. |
Display Format | - | Full HD+ | |
Aspect Ratio | 20:9 | 20:9 | |
Max Brightness | 700 cd/m² | 800 cd/m² | Vivo V21 5G has better display brightness than ASUS ZenFone 7 Pro. |
Contrast Ratio | - | 6000000:1 | |
HDR | Yes | Yes | Both phones have HDR. |
HDR Technology | HDR10+ | HDR10+ | |
Display Enhancement Technology | DC Dimming | - | |
Display Refresh Rate | 90 Hz | 90 Hz | Both phones have the same refresh rate. |
Display Features | DCI-P3 Wide colour gamut, 1ms response time, Glove Touch, Delta-E < 1, NanoEdge display | - | |
Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | - |
PROCESSOR | ASUS ZenFone 7 Pro | Vivo V21 5G |
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Processor Type (CPU) | Qualcomm Snapdragon 865+ | MediaTek Dimensity 800U | |
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Processor Number | SM8250 | - | |
Clock Speed | 3.1 GHz | 2.4 GHz | ASUS ZenFone 7 Pro has higher clock speed than Vivo V21 5G. |
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 | Vivo V21 5G |
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RAM | LPDDR5 SDRAM - 8 GB | 8 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 256 GB | 128 GB | ASUS ZenFone 7 Pro has more internal memory than Vivo V21 5G. |
Memory Interface | UFS 3.1 | UFS 2.2 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
CAMERA | ASUS ZenFone 7 Pro | Vivo V21 5G |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 3 | |
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Rear Camera Design | Flip | - | |
Sensor Resolution | 64 Megapixel | 64 Megapixel | Both phones have the same camera resolution. |
Sensor Size | 1/1.73" | - | |
Sensor Name | Sony Exmor RS IMX686 sensor | - | |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/1.8 | F/1.79 | Vivo V21 5G has better lens aperture than ASUS ZenFone 7 Pro. |
Lens Construction | 6-element | - | |
Field of View (FoV) | 78.3 degree(s) | - | |
Pixel Size | 0.8 μm | - | |
Optical Image Stabiliser (OIS) | - | 4-axis OIS (Optical Image Stabilisation) | Vivo V21 5G has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | 26.6 mm | - | |
Digital Zoom | - | 10x | |
Special Effects | HDR | Bokeh effect | |
Camera Modes | Slow motion video, Panorama, Time-lapse mode, Pro mode, Portrait, Night, Auto, 4K Timelapse, Pro Video, Auto Panorama | Beauty mode, Night, Filter mode, Portrait video, Dual video mode, ultra stable video, kid's face beauty, double exposure | |
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 | 3840 x 2160 (4K), 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) 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 | Eye Autofocus |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | ASUS ZenFone 7 Pro has better second camera resolution than Vivo V21 5G. |
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Sensor Size (2nd Camera) | 1/2.55" | - | |
Sensor Name (2nd Camera) | Sony Exmor RS IMX363 sensor | - | |
Lens Type (2nd Camera) | Super wide-angle lens | Wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
Field of View (2nd Camera) | - | 120 degree(s) | |
Pixel Size (2nd Camera) | 1.4 μm | - | |
Minimum Focal Length (2nd Camera) | 14.3 mm | - | |
Camera Features (2nd Camera) | Real-time distortion correction, Dual Pixel image sensor, supports 4 cm macro | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 8 Megapixel | 2 Megapixel | ASUS ZenFone 7 Pro has higher resolution third camera than Vivo V21 5G. |
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Lens Type (3rd Camera) | Telephoto lens | - | |
Lens Aperture (3rd Camera) | - | F/2.4 | |
Minimum Focal Length (3rd Camera) | 80 mm | - | |
Optical Zoom | 3x | - | |
Camera Functions (3rd Camera) | - | Super macro camera | |
Camera Features (3rd Camera) | 12x total zoom, 4-axis, optical image stabilisation | 4cm macro photography |
FRONT CAMERA |
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Number of Front Cameras | 0 | 1 | |
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Sensor Resolution (Front) | - | 44 Megapixels | |
Lens Aperture (Front) | - | F/2.0 | |
Special Effects (Front) | - | HDR | |
Camera Modes (Front) | - | Beauty mode, Night, Filter mode, Dual video mode, ultra stable video, kid's face beauty, double exposure, AI night portrait | |
Light Source (Front) | - | Dual LED flash | |
Video Resolutions (Front) | - | 3840 x 2160 (4K) | |
Camera Features (Front) | - | Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus |
BATTERY AND CHARGING | ASUS ZenFone 7 Pro | Vivo V21 5G |
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Battery Capacity (Battery Size) | 5000 mAh | 4000 mAh | ASUS ZenFone 7 Pro has larger battery capacity than Vivo V21 5G. |
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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 |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone 7 Pro | Vivo V21 5G |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
Operating System | Android 10 | Funtouch OS 11.1 (based on Android 11) | |
User Interface | ASUS ZenUI 7 | - | |
Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | ASUS ZenFone 7 Pro | Vivo V21 5G |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, DC-HSDPA, FDD-LTE, TDD-LTE, 5G NR FR1 | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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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 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1800, 1700, 800, 900, 800 | 2100, 1900, 1700, 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 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
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 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 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
5G NR Band | N1, n2, n3, n5, n7, n8, n20, n28, n38, n77, n78, n12 | N1, n3, n7, n8, n28, n41, n78, n40 | |
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 | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | Wi-Fi | |
Bluetooth | Bluetooth 5.1 | Bluetooth 5.1 | |
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 | Vivo V21 5G |
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Supported Digital Audio Standards | - | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis | |
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Supported Digital Video Standards | - | MKV, FLV, 3GP, MP4 | |
Sound Enhancements | Qualcomm aptX audio | - | |
Audio Amplifier | NXP 9874 smart amplifier | - |
FEATURES | ASUS ZenFone 7 Pro | Vivo V21 5G |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, angle sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope | |
Security Devices | Face recognition, fingerprint reader (side) | Fingerprint reader (under display) | |
Additional Phone Features | MIMO technology, Smart Key, Triple internal microphones with ASUS Noise Reduction Technology | Fast Charging, 3 GB of external memory space for RAM |
OTHERS | ASUS ZenFone 7 Pro | Vivo V21 5G |
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Included Accessories | SIM card removal tool, USB-C to USB-C cable, transparent case, 30W fast charger, active case | Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case | |
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Compliant Standards | SGS | IP52 |