Vivo X20 Plus UD vs. ASUS ZenFone 5Z (ZS620KL)

Phone Comparison, Reviews and Tests

In depth comparison and review of Vivo X20 Plus UD and ASUS ZenFone 5Z (ZS620KL). 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.

Phone Specifications Comparison

Vivo X20 Plus UD vs. ASUS ZenFone 5Z (ZS620KL) Comparison Chart
DESIGN AND DIMENSIONS Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Product Type Smartphone Smartphone
Manufacturer Model Number - ZS620KL
Form Factor Touch Touch
Height 155.3 mm 153 mm Vivo X20 Plus UD has greater height than ASUS ZenFone 5Z (ZS620KL).
Width 80.1 mm 75.65 mm Vivo X20 Plus UD has greater width than ASUS ZenFone 5Z (ZS620KL).
Depth 7.5 mm 7.7 mm Vivo X20 Plus UD is narrower than Vivo X20 Plus UD.
Weight 181.5 g 155 g ASUS ZenFone 5Z (ZS620KL) is lighter than Vivo X20 Plus UD.
Body Colour - Midnight blue | Meteor silver
Body Material - Aluminium
Waterproof (Water-resistant) - -
Integrated Components - FM radio
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
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 Nano SIM + nano SIM/microSD
DISPLAY Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Display Type OLED display LCD display
Display Technology Super AMOLED IPS+
Screen Size (Display Size) 6.43" 6.2" Vivo X20 Plus UD has larger screen size than ASUS ZenFone 5Z (ZS620KL).
Screen Resolution (Display Resolution) 2160 x 1080 pixels 2246 x 1080 pixels ASUS ZenFone 5Z (ZS620KL) has better screen resolution than Vivo X20 Plus UD.
Pixel Density 376 ppi 402 ppi ASUS ZenFone 5Z (ZS620KL) has better pixel density than Vivo X20 Plus UD.
Aspect Ratio - 18:5:9
Max Brightness - 550 cd/m²
Colour Depth 16.7 million colours -
Display Enhancement Technology - Bluelight Filter for Eye Care
Display Features - DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating
PROCESSOR Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Processor Type (CPU) Qualcomm Snapdragon 660 Qualcomm Snapdragon 845
Processor Number MSM8956 -
Clock Speed 2.2 GHz -
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes ASUS ZenFone 5Z (ZS620KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 512 Qualcomm ADRENO 630
MEMORY Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
RAM 4 GB LPDDR4X SDRAM - 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Vivo X20 Plus UD has more internal memory than ASUS ZenFone 5Z (ZS620KL).
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 12 Megapixel 12 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/2.55"
Sensor Name - Sony Exmor RS IMX363 sensor
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction - 6-element
Optical Image Stabiliser (OIS) - 4 Stop OIS (Optical Image Stabilisation) ASUS ZenFone 5Z (ZS620KL) has optical stabilisation.
Focus Adjustment Automatic -
Special Effects HDR Night HDR
HDR Mode - Auto HDR mode
Camera Modes Panorama Panorama, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, Real-Time Beautification, Real-time Protrait, Time Lapse (with power saving mode)
Face Recognition (Face ID) Face detection - Vivo X20 Plus UD has face detection.
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Geotagging Dual Pixel technology, Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, RAW image capture, 4-axis optical image stabilisation, Instant cameras switching, Live Emoji, 8 filters, AI Photo Learning, 32s long exposure
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 8 Megapixel ASUS ZenFone 5Z (ZS620KL) has better second camera resolution than Vivo X20 Plus UD.
Lens Type (2nd Camera) - Wide-angle lens
Camera Features (2nd Camera) - 3-axis electronic image stabilisation
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 12 Megapixel 8 Megapixel Vivo X20 Plus UD has better front camera resolution than ASUS ZenFone 5Z (ZS620KL).
Lens Type (Front) - Wide-angle lens
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Special Effects (Front) - Night HDR
HDR Mode (Front) - Auto HDR mode
Camera Modes (Front) - Beauty mode, Auto mode, selfie panorama, GIF animation function
Light Source (Front) Flash -
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) - PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters
BATTERY AND CHARGING Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Battery Capacity (Battery Size) 3900 mAh 3300 mAh Vivo X20 Plus UD has larger battery capacity than ASUS ZenFone 5Z (ZS620KL).
Fast Charging Technology - BoostMaster Fast Charging ASUS ZenFone 5Z (ZS620KL) has fast charging technology.
Battery Technology Lithium Ion Lithium polymer
CELLULAR Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Funtouch OS 3.2 (based on Android 7.1.1) Android 9.0 Pie
User Interface - ASUS ZenUI 5.0
Navigation GPS, A-GPS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 8, Band 38, Band 39, Band 40, Band 41 -
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 900, TDD 2600, TDD 1900, TDD 2300, TDD 2500 -
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
Bluetooth Profiles A2DP A2DP
NFC - Yes ASUS ZenFone 5Z (ZS620KL) has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ -
Supported Digital Video Standards MPEG-4, H.264 -
Sound Enhancements Hi-Fi Sound support ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X
FEATURES Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
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
Sensors Accelerometer, proximity sensor, digital compass Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader
Additional Phone Features Multitasking, Active noise-cancellation Face Unlock, AudioWizard, NXP Smart AMP technology, ASUS Noise Reduction technology, Google Drive Storage (100 GB) (free for 1 year), Dual Smart AMP, Dual noise-cancelling microphones, AI Charging, AI Boost, ZeniMoji
OTHERS Vivo X20 Plus UD ASUS ZenFone 5Z (ZS620KL)
Included Accessories Power adapter Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone
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