ASUS ZenFone 4 (ZE554KL) vs. Samsung Galaxy A40

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone 4 (ZE554KL) and Samsung Galaxy A40. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

ASUS ZenFone 4 (ZE554KL) vs. Samsung Galaxy A40 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Product Type Smartphone Smartphone
Manufacturer Model Number ZE554KL SM-A405FN/DS
Form Factor Touch Touch
Height 155.36 mm 144.4 mm ASUS ZenFone 4 (ZE554KL) has greater height than Samsung Galaxy A40.
Width 75.24 mm 69.2 mm ASUS ZenFone 4 (ZE554KL) has greater width than Samsung Galaxy A40.
Depth 7.7 mm 7.9 mm ASUS ZenFone 4 (ZE554KL) is narrower than ASUS ZenFone 4 (ZE554KL).
Weight 165 g 140 g Samsung Galaxy A40 is lighter than ASUS ZenFone 4 (ZE554KL).
Body Colour Midnight black | Moonlight white Blue | Coral | White | Black
Waterproof (Water-resistant) - -
SAR Value 1.48 W/kg (body), 1.42 W/kg (head) 1.34 W/kg (body), 0.49 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
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD Nano SIM + nano SIM/microSD
DISPLAY ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Display Type LCD display OLED display
Display Technology Super IPS+ Super AMOLED
Screen Size (Display Size) 5.5" 5.9" Samsung Galaxy A40 has larger screen size than ASUS ZenFone 4 (ZE554KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Samsung Galaxy A40 has better screen resolution than ASUS ZenFone 4 (ZE554KL).
Display Format Full HD Full HD+
Pixel Density - 439 ppi
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
Display Enhancement Technology Bluelight Filter for Eye Care, Splendid technology Blue light filter
Display Features 2.5D Glass Always-on display, Infinity Display, Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating -
PROCESSOR ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Processor Type (CPU) Qualcomm Snapdragon 630 Samsung Exynos
Processor Number - 7904
Clock Speed 2.2 GHz 1.8 GHz ASUS ZenFone 4 (ZE554KL) has higher clock speed than Samsung Galaxy A40.
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 A40
RAM LPDDR4X SDRAM - 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
User Memory - 49.4 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 512 GB
CAMERA ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 12 Megapixel 16 Megapixel Samsung Galaxy A40 has better camera resolution than ASUS ZenFone 4 (ZE554KL).
Sensor Size 1/2.55" -
Sensor Name Sony Exmor RS IMX362 sensor -
Lens Type - Wide-angle lens
Lens Aperture F/1.8 F/1.7 Samsung Galaxy A40 has better lens aperture than ASUS ZenFone 4 (ZE554KL).
Lens Construction 6-element -
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) - ASUS ZenFone 4 (ZE554KL) has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR -
Camera Modes Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore
Light Source Dual 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
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) AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 5 Megapixel ASUS ZenFone 4 (ZE554KL) has better second camera resolution than Samsung Galaxy A40.
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)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 25 Megapixel Samsung Galaxy A40 has better front camera resolution than ASUS ZenFone 4 (ZE554KL).
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Focus Adjustment - Automatic
Special Effects (Front) Collage -
Camera Modes (Front) Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification Portrait mode, AR Emoji, Motion Photos
Light Source (Front) - Display flash
Camera Features (Front) PixelMaster camera, ASUS SelfieMaster technology, 9 filters Floating camera button
BATTERY AND CHARGING ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Battery Capacity (Battery Size) 3300 mAh 3100 mAh ASUS ZenFone 4 (ZE554KL) has larger battery capacity than Samsung Galaxy A40.
Fast Charging Technology ASUS Boost Master Samsung Fast Charging Both phones have fast charging technology.
Standby Time 552 hours -
Talk Time 1800 minutes 1080 minutes ASUS ZenFone 4 (ZE554KL) has longer battery life when making calls than Samsung Galaxy A40.
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
Active online usage (3G): up to 9 hrs
Active online usage (4G): up to 11 hrs
Active online usage (Wi-Fi): up to 11 hrs
Playback (video): up to 14 hrs
Playback (audio): up to 62 hrs
Talk (3G): up to 1080 min
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 7.0 Nougat Android 9.0 Pie
User Interface ASUS ZenUI 4.0 Samsung One UI
Intelligent Assistant - Bixby
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+ GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
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 5, Band 8
3G UMTS Frequency 2100, 1900, 1800, 850, 800, 900, 800 2100, 1900, 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 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41
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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Supported Digital Audio Standards - WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards - MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
Sound Enhancements DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X Dolby Atmos sound technology
FEATURES ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
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, colour correction sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Face recognition, fingerprint reader
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) Alarm Clock, Fast Charging
OTHERS ASUS ZenFone 4 (ZE554KL) Samsung Galaxy A40
Included Accessories Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable Power adapter
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