ASUS ZenFone 4 (ZE554KL) vs. Samsung Galaxy Z Flip4

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 4 (ZE554KL) and Samsung Galaxy Z Flip4. 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 4 (ZE554KL) vs. Samsung Galaxy Z Flip4 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Product Type Smartphone Smartphone
Manufacturer Model Number ZE554KL SM-F721B
Form Factor Touch Folder (flip) - touch screen, dual screen
Height 155.36 mm 165.2 mm Samsung Galaxy Z Flip4 has greater height than ASUS ZenFone 4 (ZE554KL).
Width 75.24 mm 71.9 mm ASUS ZenFone 4 (ZE554KL) has greater width than Samsung Galaxy Z Flip4.
Depth 7.7 mm 6.9 mm Samsung Galaxy Z Flip4 is narrower than ASUS ZenFone 4 (ZE554KL).
Weight 165 g 187 g ASUS ZenFone 4 (ZE554KL) is lighter than ASUS ZenFone 4 (ZE554KL).
Dimensions Details - Unfolded - 71.9 mm x 6.9 mm x 165.2 mm
Folded - 71.9 mm x 17.1 mm x 84.9 mm
Body Colour Midnight black | Moonlight white Blue | Bora purple | Pink gold | Graphite
Body Material - Corning Gorilla Glass Victus, Armour Aluminium frame
Protection - Water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy Z Flip4 is waterproof.
IP rating - IPX8
SAR Value 1.48 W/kg (body), 1.42 W/kg (head) 2.75 W/kg (limb), 1.151 W/kg (head), 1.198 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 Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Display Type LCD display OLED display
Display Technology Super IPS+ Dynamic AMOLED 2X
Foldable Display - Yes
Display Design - Inward folding
Screen Size (Display Size) 5.5" 6.7" Samsung Galaxy Z Flip4 has larger screen size than ASUS ZenFone 4 (ZE554KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2640 x 1080 pixels Samsung Galaxy Z Flip4 has better screen resolution than ASUS ZenFone 4 (ZE554KL).
Display Format Full HD Full HD+
Pixel Density - 425 ppi
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
HDR - Yes Samsung Galaxy Z Flip4 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology Bluelight Filter for Eye Care, Splendid technology -
Display Refresh Rate - 120 Hz
Display Features 2.5D Glass AOD(Always On Display), 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 - 1.9"
Second Display Resolution - 512 x 260 pixels
Second Display Colour Depth - 16.7 million colours
UNFOLDED DISPLAY
Unfolded Display Screen Size - 6.7 in
Unfolded Display Resolution - 2640 x 1080 pixels
PROCESSOR ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Processor Type (CPU) Qualcomm Snapdragon 630 -
Clock Speed 2.2 GHz 3.18 GHz Samsung Galaxy Z Flip4 has higher clock speed than ASUS ZenFone 4 (ZE554KL).
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - ASUS ZenFone 4 (ZE554KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 508 -
MEMORY ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
RAM LPDDR4X SDRAM - 4 GB 8 GB Samsung Galaxy Z Flip4 has more RAM than ASUS ZenFone 4 (ZE554KL).
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy Z Flip4 has more internal memory than ASUS ZenFone 4 (ZE554KL).
User Memory - 99.8 GB
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
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 IMX362 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) - 83 degree(s)
Pixel Size - 1.8 μm
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Self-Timer Delay - Yes
Special Effects HDR HDR, Grid Line
Camera Modes Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Quick Shot, 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, Filter mode, Single Take, Pro Video, Portrait video, Director's View
Light Source Dual 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
Camera Features (Functions) 3-axis electronic image stabilisation, RAW image capture, Subject-Tracking Auto-Focus, PixelMaster 4.0 camera, 4-axis optical image stabilisation, 9 filters, Instant cameras switching, Dual Pixel Phase Detect Auto-Focus (PDAF) Playback zoom, Motion photo, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Dual Pixel Autofocus technology, AR sticker, Scene Optimiser, Flaw detection, Shot suggestions, AR Emoji, HDR10+ recording, Super steady, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Corning Gorilla Glass DX (protective lens glass), Auto FPS, AR Emoji Studio, Deco PIC, FlexCam
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy Z Flip4 has better second camera resolution than ASUS ZenFone 4 (ZE554KL).
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
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 10 Megapixel Samsung Galaxy Z Flip4 has better front camera resolution than ASUS ZenFone 4 (ZE554KL).
Lens Aperture (Front) F/2.0 F/2.4 ASUS ZenFone 4 (ZE554KL) has better front lens aperture than ASUS ZenFone 4 (ZE554KL).
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 1.22 μm
Focus Adjustment - Focus free
Special Effects (Front) Collage -
Camera Modes (Front) Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification -
Camera Features (Front) PixelMaster camera, ASUS SelfieMaster technology, 9 filters -
BATTERY AND CHARGING ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Battery Capacity (Battery Size) 3300 mAh 3700 mAh Samsung Galaxy Z Flip4 has larger battery capacity than ASUS ZenFone 4 (ZE554KL).
Fast Charging Technology ASUS Boost Master Qualcomm Quick Charge 2.0, Adaptive Fast Charging Both phones have fast charging technology.
Wireless Charging - Yes Samsung Galaxy Z Flip4 can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare, Reverse wireless charging
Standby Time 552 hours -
Talk Time 1800 minutes 2040 minutes Samsung Galaxy Z Flip4 has longer battery life when making calls than ASUS ZenFone 4 (ZE554KL).
Run Time Details Standby (4G): up to 552 hrs
Talk (3G): up to 1800 min
Playback (video): up to 16 hrs
Continuous browsing (Wi-Fi): up to 18 hrs
Talk (4G): up to 2040 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (wireless video): up to 19 hrs
Playback (wireless audio): up to 56 hrs
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy Z Flip4 has more advanced generation mobile network.
Operating System Android 7.0 Nougat Android 12
User Interface ASUS ZenUI 4.0 One UI
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 3, Band 5, Band 6, Band 8, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1800, 850, 800, 900, 800 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 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 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 Bluetooth 5.2 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Supported Digital Audio Standards - WAV, 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, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X Dolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound
FEATURES ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Phone Functions 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, colour correction sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices - Face recognition, fingerprint reader (side)
Additional Phone Features Wi-Fi Miracast, Dual noise reduction microphones, Google Drive Storage (100 GB) (free for 2 years), NXP Smart AMP technology, ASUS Noise Reduction technology, Nano Molding Technology (NMT) MIMO technology, Samsung KNOX, High AOP Mic, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, Flex mode
OTHERS ASUS ZenFone 4 (ZE554KL) Samsung Galaxy Z Flip4
Included Accessories Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable SIM card removal tool, USB-C cable
Compliant Standards - VDE, IPX8
Max Depth of Water Resistance - 1.5 m
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