Side by side comparison and review of ASUS ZenFone 3 (ZE520KL) and Vivo X51 5G. 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 | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZE520KL | V2006 | |
Form Factor | Touch | Touch | |
Height | 146.87 mm | 158.46 mm | Vivo X51 5G has greater height than ASUS ZenFone 3 (ZE520KL). |
Width | 73.98 mm | 72.8 mm | ASUS ZenFone 3 (ZE520KL) has greater width than Vivo X51 5G. |
Depth | 7.69 mm | 8.04 mm | ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL). |
Weight | 144 g | 181.5 g | ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL). |
Body Colour | Moon white | Gold shimmer | Black sapphire | Alpha grey | |
Body Material | Metal, glass | - | |
Waterproof (Water-resistant) | - | - | |
IP rating | - | IP53 | |
SAR Value | 0.938 W/kg (body), 0.278 W/kg (head) | 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb) | |
Integrated Components | FM radio | - | |
Connector Type | Headset jack - mini-phone 3.5mm 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 (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Display Type | LCD display | OLED display | |
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Display Technology | Super IPS+ | AMOLED | |
Screen Size (Display Size) | 5.2" | 6.56" | Vivo X51 5G has larger screen size than ASUS ZenFone 3 (ZE520KL). |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2376 x 1080 pixels | Vivo X51 5G has better screen resolution than ASUS ZenFone 3 (ZE520KL). |
Display Format | Full HD | - | |
Pixel Density | - | 398 ppi | |
Aspect Ratio | - | 19.8:9 | |
Max Brightness | 600 cd/m² | 500 cd/m² | ASUS ZenFone 3 (ZE520KL) has better display brightness than Vivo X51 5G. |
Colour Depth | - | 16.7 million colours | |
Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
Display Features | ASUS Glove Touch technology, 2.5D curved glass | - | |
Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) | - |
PROCESSOR | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 765G | |
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Clock Speed | 2 GHz | 2.4 GHz | Vivo X51 5G has higher clock speed than ASUS ZenFone 3 (ZE520KL). |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | ASUS ZenFone 3 (ZE520KL) has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 506 | - |
MEMORY | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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RAM | 3 GB | 8 GB | Vivo X51 5G has more RAM than ASUS ZenFone 3 (ZE520KL). |
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Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Vivo X51 5G has more internal memory than ASUS ZenFone 3 (ZE520KL). |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
CAMERA | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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Sensor Resolution | 16 Megapixel | 48 Megapixel | Vivo X51 5G has better camera resolution than ASUS ZenFone 3 (ZE520KL). |
Sensor Name | Sony Exmor RS IMX298 sensor | - | |
Lens Aperture | F/2.0 | F/1.6 | Vivo X51 5G has better lens aperture than ASUS ZenFone 3 (ZE520KL). |
Lens Construction | 6-element | - | |
Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 3 (ZE520KL) has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | Yes | |
Special Effects | Depth of field | HDR | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode | |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 3840 x 2160 (4K) | - | |
Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens | 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
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Lens Aperture (2nd Camera) | - | F/2.46 |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
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Lens Type (3rd Camera) | - | Wide-angle lens | |
Lens Aperture (3rd Camera) | - | F/2.2 |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 8 Megapixel | |
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Lens Type (4th Camera) | - | Telephoto lens | |
Lens Aperture (4th Camera) | - | F/3.4 |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Vivo X51 5G has better front camera resolution than ASUS ZenFone 3 (ZE520KL). |
Lens Aperture (Front) | F/2.0 | F/2.45 | ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL). |
Special Effects (Front) | - | HDR | |
HDR Mode (Front) | Auto HDR mode | - | |
Camera Modes (Front) | Selfie panorama | Live Photos, Portrait | |
Camera Features (Front) | PixelMaster camera | 2 x digital zoom |
BATTERY AND CHARGING | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Battery Capacity (Battery Size) | 2650 mAh | 4315 mAh | Vivo X51 5G has larger battery capacity than ASUS ZenFone 3 (ZE520KL). |
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CELLULAR | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
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Mobile Broadband Generation | 4G | 5G | Vivo X51 5G has more advanced generation mobile network. |
Operating System | Android 6.0 (Marshmallow) | Funtouch OS 10 (based on Android 10) | |
User Interface | ASUS ZenUI 3.0 | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | 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, 800 CDMA2000 1X | |
3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | 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 850, FDD 2600, FDD 900, FDD 800 DD | 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, n3, n7, n8, n28, n38, n41, n77, n78 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500 | |
Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | Wi-Fi | |
Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
NFC | - | Yes | Vivo X51 5G has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Supported Digital Audio Standards | - | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis | |
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Supported Digital Video Standards | - | MKV, AVI, 3GP, TS, MP4 | |
Audio Amplifier | - | AK4377A |
FEATURES | ASUS ZenFone 3 (ZE520KL) | Vivo X51 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, RGB sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
Security Devices | Fingerprint reader | Fingerprint reader | |
Additional Phone Features | Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology | - |
OTHERS | ASUS ZenFone 3 (ZE520KL) | Vivo X51 5G |
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Included Accessories | Power adapter | Headset, USB cable, power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, protective case, protective film | |
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Compliant Standards | - | IP53 |