ASUS ZenFone Zoom (ZX551ML) vs. Samsung Galaxy Z Fold3 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Samsung Galaxy Z Fold3 5G. 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 Zoom (ZX551ML) vs. Samsung Galaxy Z Fold3 5G Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
Product Type Smartphone Smartphone
Manufacturer Model Number ZX551ML SM-F926B/DS
Form Factor Touch Folder - touch screen, dual screen
Height 158.9 mm 158.2 mm ASUS ZenFone Zoom (ZX551ML) has greater height than Samsung Galaxy Z Fold3 5G.
Width 78.8 mm 67.1 mm ASUS ZenFone Zoom (ZX551ML) has greater width than Samsung Galaxy Z Fold3 5G.
Depth 12 mm 16 mm ASUS ZenFone Zoom (ZX551ML) is narrower than ASUS ZenFone Zoom (ZX551ML).
Weight 185 g 271 g ASUS ZenFone Zoom (ZX551ML) is lighter than ASUS ZenFone Zoom (ZX551ML).
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 Ceramic white | Pure black Phantom black | Phantom silver | Phantom Green
Body Material - 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 0.432 W/kg (body), 0.343 W/kg (head) 1.036 W/kg (head), 1.443 W/kg (body)
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Micro SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty - Dual-SIM
DISPLAY ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
Display Type LCD display OLED display
Display Technology IPS Infinity Flex Dynamic AMOLED 2X
Foldable Display - Yes
Display Design - Inward folding
Screen Size (Display Size) 5.5" 7.6" Samsung Galaxy Z Fold3 5G has larger screen size than ASUS ZenFone Zoom (ZX551ML).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2208 x 1768 pixels Samsung Galaxy Z Fold3 5G has better screen resolution than ASUS ZenFone Zoom (ZX551ML).
Display Format Full HD QXGA+
Pixel Density 401 ppi 374 ppi ASUS ZenFone Zoom (ZX551ML) has better pixel density than Samsung Galaxy Z Fold3 5G.
Aspect Ratio - 22.5:18
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR - Yes Samsung Galaxy Z Fold3 5G has HDR.
HDR Technology - HDR10+
Display Refresh Rate - 120 Hz
Display Features - AOD(Always On Display), flex screen, Edge Lighting
Display Protection (Screen Protector) Corning Gorilla Glass 4 (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 Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
Processor Type (CPU) Intel Atom Qualcomm Snapdragon 888 5G
Processor Number Z3590 -
Clock Speed 2.5 GHz 2.84 GHz Samsung Galaxy Z Fold3 5G has higher clock speed than ASUS ZenFone Zoom (ZX551ML).
Processor Core Qty Quad-core 8-core Samsung Galaxy Z Fold3 5G has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML).
Graphics System (GPU) PowerVR G6430 -
MEMORY ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
RAM 4 GB 12 GB Samsung Galaxy Z Fold3 5G has more RAM than ASUS ZenFone Zoom (ZX551ML).
Internal Memory Size (Storage Capacity) 32 GB 256 GB Samsung Galaxy Z Fold3 5G has more internal memory than ASUS ZenFone Zoom (ZX551ML).
User Memory - 215.7 GB
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB -
CAMERA ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 12 Megapixel ASUS ZenFone Zoom (ZX551ML) has better camera resolution than Samsung Galaxy Z Fold3 5G.
Lens Type - Ultra wide-angle lens
Lens Aperture F/2.7-4.8 F/2.2 Samsung Galaxy Z Fold3 5G has better lens aperture than ASUS ZenFone Zoom (ZX551ML).
Field of View (FoV) - 123 degree(s)
Pixel Size - 1.12 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom - 2x
Digital Zoom 3x 10x Samsung Galaxy Z Fold3 5G has better digital zoom than ASUS ZenFone Zoom (ZX551ML).
Self-Timer Delay - Yes
Special Effects - Auto HDR, Grid Line, Motion photos
HDR Mode Auto HDR mode -
Camera Modes Panorama 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 Face detection Both phones have face detection.
Light Source Dual LED flash High CRI LED flash
Video Resolutions 1920 x 1080 (1080p) 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) - 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) 5 Megapixel 10 Megapixel Samsung Galaxy Z Fold3 5G has better front camera resolution than ASUS ZenFone Zoom (ZX551ML).
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML).
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 1.22 μm
Special Effects (Front) - Auto HDR, Grid Line
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 Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
Battery Capacity (Battery Size) 3000 mAh 4400 mAh Samsung Galaxy Z Fold3 5G has larger battery capacity than ASUS ZenFone Zoom (ZX551ML).
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
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone Zoom (ZX551ML) 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 5.0 (Lollipop) Android 10
User Interface ASUS ZenUI 2.0 -
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE FDD-LTE, TDD-LTE, LAA, 5G NR FR1
2G Band 850 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 9, Band 18, Band 19, Band 28 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 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT 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 IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.0 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 Fold3 5G has UWB wireless technology.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone Zoom (ZX551ML) 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 Zoom (ZX551ML) Samsung Galaxy Z Fold3 5G
Phone Functions Speakerphone, call timer, conference call, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices - Face recognition, fingerprint reader (side)
Additional Phone Features Multitasking 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 Zoom (ZX551ML) 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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