ASUS ZenFone 3 (ZE520KL) vs. Samsung Galaxy Z Fold3 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Samsung Galaxy Z Fold3 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

ASUS ZenFone 3 (ZE520KL) vs. Samsung Galaxy Z Fold3 5G Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL SM-F926B/DS
Form Factor Touch Folder - touch screen, dual screen
Height 146.87 mm 158.2 mm Samsung Galaxy Z Fold3 5G has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 67.1 mm ASUS ZenFone 3 (ZE520KL) has greater width than Samsung Galaxy Z Fold3 5G.
Depth 7.69 mm 16 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 271 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Dimensions Details - Folded - 67.1 mm x 16 mm x 158.2 mm
Unfolded - 128.1 mm x 6.4 mm x 158.2 mm
Body Colour Moon white | Gold shimmer | Black sapphire Phantom black | Phantom silver | Phantom Green
Body Material Metal, glass Aluminium, Corning Gorilla Glass Victus
Protection - Water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy Z Fold3 5G is waterproof.
IP rating - IPX8
Repairability Index - 7.8 (out of 10)
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 1.036 W/kg (head), 1.443 W/kg (body)
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 (SIM1 and SIM2/MicroSD slots) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
Display Type LCD display OLED display
Display Technology Super IPS+ Infinity Flex Dynamic AMOLED 2X
Foldable Display - Yes
Display Design - Inward folding
Screen Size (Display Size) 5.2" 7.6" Samsung Galaxy Z Fold3 5G has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2208 x 1768 pixels Samsung Galaxy Z Fold3 5G has better screen resolution than ASUS ZenFone 3 (ZE520KL).
Display Format Full HD QXGA+
Pixel Density - 374 ppi
Aspect Ratio - 22.5:18
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
HDR - Yes Samsung Galaxy Z Fold3 5G has HDR.
HDR Technology - HDR10+
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Refresh Rate - 120 Hz
Display Features ASUS Glove Touch technology, 2.5D curved glass AOD(Always On Display), flex screen, Edge Lighting
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) Samsung Ultra Thin Glass
SECOND DISPLAY
Second Display Type - OLED display - colour
Second Display Screen Size - 6.2"
Second Display Resolution - 2268 x 832 pixels
Second Display Colour Depth - 16.7 million colours
UNFOLDED DISPLAY
Unfolded Display Screen Size - 7.6 in
Unfolded Display Resolution - 2208 x 1768 pixels
PROCESSOR ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 888 5G
Clock Speed 2 GHz 2.84 GHz Samsung Galaxy Z Fold3 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) Samsung Galaxy Z Fold3 5G
RAM 3 GB 12 GB Samsung Galaxy Z Fold3 5G has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 256 GB Samsung Galaxy Z Fold3 5G has more internal memory than ASUS ZenFone 3 (ZE520KL).
User Memory - 215.7 GB
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 16 Megapixel 12 Megapixel ASUS ZenFone 3 (ZE520KL) has better camera resolution than Samsung Galaxy Z Fold3 5G.
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Type - Ultra wide-angle lens
Lens Aperture F/2.0 F/2.2 ASUS ZenFone 3 (ZE520KL) has better lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Construction 6-element -
Field of View (FoV) - 123 degree(s)
Pixel Size - 1.12 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 Automatic
Laser Auto Focus Yes -
Optical Zoom - 2x
Digital Zoom - 10x
Self-Timer Delay - Yes
Special Effects Depth of field Auto HDR, Grid Line, Motion photos
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, Slow motion mode, Pro mode, selfie 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, Clothes, Night view, Portrait, Night, Mountain, Single Take, Pro Video, NIGHT HYPERLAPSE, Portrait video, Director's View
Face Recognition (Face ID) - Face detection Samsung Galaxy Z Fold3 5G has face detection.
Light Source Dual LED flash High CRI LED flash
Video Resolutions 3840 x 2160 (4K) 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
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens Playback zoom, blink detection, QR-code scanner, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, AR sticker, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, AR Emoji, blur detection, 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)
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) - F/1.8
Field of View (2nd Camera) - 83 degree(s)
Pixel Size (2nd Camera) - 1.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy Z Fold3 5G has optical stabilisation of the second camera.
Camera Features (2nd Camera) - Dual Pixel AF
THIRD CAMERA
Sensor Resolution (3rd Camera) - 12 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 45 degree(s)
Pixel Size (3rd Camera) - 1 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy Z Fold3 5G has optical stabilisation of the third camera.
Camera Features (3rd Camera) - Phase Detect Auto-Focus (PDAF)
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 8 Megapixel 10 Megapixel Samsung Galaxy Z Fold3 5G has better front camera resolution than ASUS ZenFone 3 (ZE520KL).
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL).
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 1.22 μm
Special Effects (Front) - Auto HDR, Grid Line
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama -
Camera Features (Front) PixelMaster camera -
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
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
Battery Capacity (Battery Size) 2650 mAh 4400 mAh Samsung Galaxy Z Fold3 5G has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging Samsung Galaxy Z Fold3 5G has fast charging technology.
Wireless Charging - Yes Samsung Galaxy Z Fold3 5G can be charged wirelessly.
Wireless Charging Standards - WPC, PMA, Qi, Fast Wireless Charging, Wireless PowerShare
Talk Time - 2040 minutes
Run Time Details - Active online usage (LTE): up to 12 hrs
Active online usage (Wi-Fi): up to 12 hrs
Playback (wireless video): up to 18 hrs
Playback (wireless audio): up to 63 hrs
Talk (4G): up to 2040 min
CELLULAR ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy Z Fold3 5G has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) Android 10
User Interface ASUS ZenUI 3.0 -
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-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 5, Band 7, Band 8, Band 20 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 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 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, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.2 Bluetooth 5.2
NFC - Yes Samsung Galaxy Z Fold3 5G has NFC reader for mobile payments.
Ultra-Wideband (UWB) - Yes Samsung Galaxy Z Fold3 5G has UWB wireless technology.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
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 - Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, Dolby Digital sound
FEATURES ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
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, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
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 Multitasking, MIMO technology, notification flashlight, Samsung KNOX, Split Screen, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, dual battery, Flex mode, Multi Active Window, Bluetooth Scalable Codec, S Pen support
OTHERS ASUS ZenFone 3 (ZE520KL) Samsung Galaxy Z Fold3 5G
Included Accessories Power adapter SIM card removal tool, USB-C cable
Compliant Standards - VDE, IPX8
Max Depth of Water Resistance - 1.5 m
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