ASUS ZenFone 5Z (ZS620KL) vs. Google Pixel 4a

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone 5Z (ZS620KL) and Google Pixel 4a. 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

ASUS ZenFone 5Z (ZS620KL) vs. Google Pixel 4a Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Product Type Smartphone Smartphone
Manufacturer Model Number ZS620KL G025J
Form Factor Touch Touch
Height 153 mm 144 mm ASUS ZenFone 5Z (ZS620KL) has greater height than Google Pixel 4a.
Width 75.65 mm 69.4 mm ASUS ZenFone 5Z (ZS620KL) has greater width than Google Pixel 4a.
Depth 7.7 mm 8.2 mm ASUS ZenFone 5Z (ZS620KL) is narrower than ASUS ZenFone 5Z (ZS620KL).
Weight 155 g 143 g Google Pixel 4a is lighter than ASUS ZenFone 5Z (ZS620KL).
Body Colour Midnight blue | Meteor silver Just black
Body Material Aluminium Polycarbonate
Waterproof (Water-resistant) - -
SAR Value - 1.19 W/kg (body), 1.18 W/kg (head)
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
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Single-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Display Type LCD display OLED display
Display Technology IPS+ OLED
Screen Size (Display Size) 6.2" 5.8" ASUS ZenFone 5Z (ZS620KL) has larger screen size than Google Pixel 4a.
Screen Resolution (Display Resolution) 2246 x 1080 pixels 2340 x 1080 pixels Google Pixel 4a has better screen resolution than ASUS ZenFone 5Z (ZS620KL).
Display Format - Full HD+
Pixel Density 402 ppi 443 ppi Google Pixel 4a has better pixel density than ASUS ZenFone 5Z (ZS620KL).
Aspect Ratio 18:5:9 19.5:9
Max Brightness 550 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio - 100000:1
HDR - Yes Google Pixel 4a has HDR.
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On Always-on display, Now Playing, True black level, display with transmissive hole
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Processor Type (CPU) Qualcomm Snapdragon 845 Qualcomm Snapdragon 730
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 Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 630 Qualcomm ADRENO 618
MEMORY ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
RAM LPDDR4X SDRAM - 4 GB LPDDR4X SDRAM - 6 GB Google Pixel 4a has more RAM than ASUS ZenFone 5Z (ZS620KL).
Internal Memory Size (Storage Capacity) 64 GB 128 GB Google Pixel 4a has more internal memory than ASUS ZenFone 5Z (ZS620KL).
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
MAIN CAMERA
Number of Main Cameras 2 1
Sensor Resolution 12 Megapixel 12.2 Megapixel Google Pixel 4a has better camera resolution than ASUS ZenFone 5Z (ZS620KL).
Sensor Size 1/2.55" -
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Aperture F/1.8 F/1.7 Google Pixel 4a has better lens aperture than ASUS ZenFone 5Z (ZS620KL).
Lens Construction 6-element -
Field of View (FoV) - 77 degree(s)
Pixel Size - 1.4 μm
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment - Automatic
Special Effects Night HDR Blur
HDR Mode Auto HDR mode HDR+
Camera Modes 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) Portrait mode, Night Sight
Light Source 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, 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 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, 1280 x 720 (720p) at 60 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 240 fps
Camera Features (Functions) 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 Electronic Image Stabiliser (EIS), Dual Pixel Phase Detect Auto-Focus (PDAF), Share in a snap
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel -
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) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Field of View (Front) - 84 degree(s)
Pixel Size (Front) - 1.12 μm
Focus Adjustment - Focus free
Special Effects (Front) Night HDR -
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Beauty mode, Auto mode, selfie panorama, GIF animation function -
Video Resolutions (Front) - 864 x 480, 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters -
BATTERY AND CHARGING ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Battery Capacity (Battery Size) 3300 mAh 3140 mAh ASUS ZenFone 5Z (ZS620KL) has larger battery capacity than Google Pixel 4a.
Fast Charging Technology BoostMaster Fast Charging Power Delivery 2.0 Both phones have fast charging technology.
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS)
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie Android 10
User Interface ASUS ZenUI 5.0 -
Intelligent Assistant - Google Assistant
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, Galileo, QZSS
COMMUNICATIONS ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 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 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 17, Band 18, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71
4G LTE Frequency - FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 700b, FDD 800 lower, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600
Wireless Interface IEEE 802.11ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
Bluetooth Profiles A2DP A2DP
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Supported Digital Audio Standards - AAC, apt-X, LDAC, apt-X HD
Sound Enhancements ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X -
FEATURES ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
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 Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features 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 Dual microphones, MIMO technology, Android Sensor Hub, Noise suppression, ARCore, Google Lens, Titan M Security Module, Pixel Imprint sensor, 3 years of security and OS updates, Google Cast
OTHERS ASUS ZenFone 5Z (ZS620KL) Google Pixel 4a
Included Accessories Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone SIM card removal tool, Quick switch adapter, 18W USB-C power adapter, USB-C to USB-C cable (1 m)
Compliant Standards - HAC (Hearing Aid Compatible)
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