ASUS ZenFone 5Z (ZS620KL) vs. Samsung Galaxy Z Fold4

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone 5Z (ZS620KL) and Samsung Galaxy Z Fold4. 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. Samsung Galaxy Z Fold4 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Product Type Smartphone Smartphone
Manufacturer Model Number ZS620KL SM-F936B/DS
Form Factor Touch Folder - touch screen, dual screen
Height 153 mm 155.1 mm Samsung Galaxy Z Fold4 has greater height than ASUS ZenFone 5Z (ZS620KL).
Width 75.65 mm 67.1 mm ASUS ZenFone 5Z (ZS620KL) has greater width than Samsung Galaxy Z Fold4.
Depth 7.7 mm 15.8 mm ASUS ZenFone 5Z (ZS620KL) is narrower than ASUS ZenFone 5Z (ZS620KL).
Weight 155 g 263 g ASUS ZenFone 5Z (ZS620KL) is lighter than ASUS ZenFone 5Z (ZS620KL).
Dimensions Details - Folded - 67.1 mm x 15.8 mm x 155.1 mm
Unfolded - 130.1 mm x 6.3 mm x 155.1 mm
Body Colour Midnight blue | Meteor silver Burgundy | Greygreen | Beige | Phantom black
Body Material Aluminium Corning Gorilla Glass Victus, Armour Aluminium frame
Protection - Water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy Z Fold4 is waterproof.
IP rating - IPX8
SAR Value - 2.83 W/kg (limb), 1.506 W/kg (body), 1.301 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
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Display Type LCD display OLED display
Display Technology IPS+ Dynamic AMOLED 2X
Foldable Display - Yes
Display Design - Inward folding
Screen Size (Display Size) 6.2" 7.6" Samsung Galaxy Z Fold4 has larger screen size than ASUS ZenFone 5Z (ZS620KL).
Screen Resolution (Display Resolution) 2246 x 1080 pixels 2176 x 1812 pixels Samsung Galaxy Z Fold4 has better screen resolution than ASUS ZenFone 5Z (ZS620KL).
Display Format - QXGA+
Pixel Density 402 ppi 374 ppi ASUS ZenFone 5Z (ZS620KL) has better pixel density than Samsung Galaxy Z Fold4.
Aspect Ratio 18:5:9 21.6:18
Max Brightness 550 cd/m² -
Colour Depth - 16.7 million colours
HDR - Yes Samsung Galaxy Z Fold4 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Refresh Rate - 120 Hz
Display Features DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On AOD(Always On Display), Edge Lighting, Video Wallpaper
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating Samsung Ultra Thin Glass
SECOND DISPLAY
Second Display Type - OLED display - colour
Second Display Screen Size - 6.2"
Second Display Resolution - 2316 x 904 pixels
Second Display Colour Depth - 16.7 million colours
UNFOLDED DISPLAY
Unfolded Display Screen Size - 7.6 in
Unfolded Display Resolution - 2176 x 1812 pixels
PROCESSOR ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Processor Type (CPU) Qualcomm Snapdragon 845 Qualcomm Snapdragon 8+ Gen 1
Processor Number - SM8475
Clock Speed - 3.18 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 630 -
MEMORY ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
RAM LPDDR4X SDRAM - 4 GB 12 GB Samsung Galaxy Z Fold4 has more RAM than ASUS ZenFone 5Z (ZS620KL).
Internal Memory Size (Storage Capacity) 64 GB 256 GB Samsung Galaxy Z Fold4 has more internal memory than ASUS ZenFone 5Z (ZS620KL).
User Memory - 216.3 GB
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 50 Megapixel Samsung Galaxy Z Fold4 has better camera resolution than ASUS ZenFone 5Z (ZS620KL).
Sensor Size 1/2.55" -
Sensor Name Sony Exmor RS IMX363 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 -
Field of View (FoV) - 85 degree(s)
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) Dual OIS (Optical Image Stabilisation) Both phones have optical image stabilization.
Focus Adjustment - Automatic
Optical Zoom - 3x
Digital Zoom - 12x
Self-Timer Delay - Yes
Special Effects Night HDR Face retouch, Grid Line, selfie colour tone
HDR Mode Auto HDR mode Super 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) Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Night view, Portrait, Night, Mountain, Filter mode, Single Take, Pro Video, Portrait video, Director's View, Capture View
Face Recognition (Face ID) - Face detection Samsung Galaxy Z Fold4 has face detection.
Light Source LED flash High CRI 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 30 fps, 7680 x 4320 (8K UHD) at 24 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 Playback zoom, Motion photo, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, AR sticker, Scene Optimiser, Flaw detection, AI Super Resolution, Shot suggestions, AR Emoji, HDR10+ recording, Super steady, Zoom-In Mic, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Capture View mode, Corning Gorilla Glass DX (protective lens glass), Auto FPS, AR Emoji Studio, Deco PIC, 30x Space Zoom, iDCG (Intra-scene Dual Conversion Gain), Super Night Solution
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy Z Fold4 has better second camera resolution than ASUS ZenFone 5Z (ZS620KL).
Lens Type (2nd Camera) Wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
Camera Features (2nd Camera) 3-axis electronic image stabilisation -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 10 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 36 degree(s)
Pixel Size (3rd Camera) - 1 μm
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 8 Megapixel 10 Megapixel Samsung Galaxy Z Fold4 has better front camera resolution than ASUS ZenFone 5Z (ZS620KL).
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone 5Z (ZS620KL) has better front lens aperture than ASUS ZenFone 5Z (ZS620KL).
Field of View (Front) - 85 degree(s)
Pixel Size (Front) - 1.22 μm
Special Effects (Front) Night HDR -
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Beauty mode, Auto mode, selfie panorama, GIF animation function -
Camera Features (Front) PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) - 4 Megapixel
Lens Aperture (2nd Front) - F/1.8
Field of View (2nd Front) - 80 degree(s)
Pixel Size (2nd Front) - 2 μm
Camera Features (2nd Front) - Under display camera
BATTERY AND CHARGING ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Battery Capacity (Battery Size) 3300 mAh 4400 mAh Samsung Galaxy Z Fold4 has larger battery capacity than ASUS ZenFone 5Z (ZS620KL).
Fast Charging Technology BoostMaster Fast Charging Qualcomm Quick Charge 2.0, Adaptive Fast Charging Both phones have fast charging technology.
Wireless Charging - Yes Samsung Galaxy Z Fold4 can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare
Talk Time - 2340 minutes
Run Time Details - Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (wireless video): up to 20 hrs
Playback (wireless audio): up to 72 hrs
Talk (4G): up to 2340 min
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy Z Fold4 has more advanced generation mobile network.
Operating System Android 9.0 Pie Android 12L
User Interface ASUS ZenUI 5.0 One UI 4.1.1
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ FDD-LTE, TDD-LTE, LAA, 5G NR FR1
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 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 17, Band 18, Band 19, Band 20, Band 25, 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, 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, n41, n66, n75, n77, n78, n40, n25, 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 2500, FDD AWS-3, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12
Wireless Interface IEEE 802.11ac IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E
Bluetooth Bluetooth 5.0 Bluetooth 5.2
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Ultra-Wideband (UWB) - Yes Samsung Galaxy Z Fold4 has UWB wireless technology.
Modem - Snapdragon X65 5G
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Supported Digital Audio Standards - WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards - MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, Dolby Digital sound
FEATURES ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Phone Functions 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, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader (side)
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 Multitasking, Air View, MIMO technology, Screen Write, Smart Select, Samsung KNOX, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, dual battery, AR Doodle, PENUP, Flex mode, Multi Active Window, S Pen support, Multi View, Samsung Seamless Codec
OTHERS ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy Z Fold4
Included Accessories Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone SIM card removal tool, USB-C cable
Compliant Standards - VDE, IPX8, IEC 61960
Max Depth of Water Resistance - 1.5 m
Other projects: