ASUS ZenFone 5Z (ZS620KL) vs. Samsung Galaxy M31s

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone 5Z (ZS620KL) and Samsung Galaxy M31s. 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 M31s Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
Product Type Smartphone Smartphone
Manufacturer Model Number ZS620KL SM-M317F/DSN
Form Factor Touch Touch
Height 153 mm 159.3 mm Samsung Galaxy M31s has greater height than ASUS ZenFone 5Z (ZS620KL).
Width 75.65 mm 74.4 mm ASUS ZenFone 5Z (ZS620KL) has greater width than Samsung Galaxy M31s.
Depth 7.7 mm 9.3 mm ASUS ZenFone 5Z (ZS620KL) is narrower than ASUS ZenFone 5Z (ZS620KL).
Weight 155 g 203 g ASUS ZenFone 5Z (ZS620KL) is lighter than ASUS ZenFone 5Z (ZS620KL).
Body Colour Midnight blue | Meteor silver Black
Body Material Aluminium -
Waterproof (Water-resistant) - -
SAR Value - 1.365 W/kg (body), 0.756 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 -
DISPLAY ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
Display Type LCD display OLED display
Display Technology IPS+ Super AMOLED
Screen Size (Display Size) 6.2" 6.5" Samsung Galaxy M31s has larger screen size than ASUS ZenFone 5Z (ZS620KL).
Screen Resolution (Display Resolution) 2246 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy M31s has better screen resolution than ASUS ZenFone 5Z (ZS620KL).
Display Format - Full HD+
Pixel Density 402 ppi -
Aspect Ratio 18:5:9 -
Max Brightness 550 cd/m² -
Colour Depth - 16.7 million colours
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On Night mode, Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating -
PROCESSOR ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
Processor Type (CPU) Qualcomm Snapdragon 845 -
Clock Speed - 2.3 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 M31s
RAM LPDDR4X SDRAM - 4 GB 6 GB Samsung Galaxy M31s has more RAM than ASUS ZenFone 5Z (ZS620KL).
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy M31s has more internal memory than ASUS ZenFone 5Z (ZS620KL).
User Memory - 106.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSD, microSDXC - up to 512 GB
CAMERA ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 64 Megapixel Samsung Galaxy M31s has better camera resolution than ASUS ZenFone 5Z (ZS620KL).
Sensor Size 1/2.55" -
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction 6-element -
Field of View (FoV) - 81 degree(s)
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) - ASUS ZenFone 5Z (ZS620KL) has optical stabilisation.
Focus Adjustment - Automatic
Digital Zoom - 10x
Special Effects Night HDR -
HDR Mode Auto HDR mode -
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) Slow motion video, Bokeh Mode, Live Focus mode
Light Source 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 Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 480 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 Background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy M31s 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)
Camera Features (2nd Camera) 3-axis electronic image stabilisation -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Depth camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 32 Megapixel Samsung Galaxy M31s 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).
Focus Adjustment - Focus free
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 Live Focus
BATTERY AND CHARGING ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
Battery Capacity (Battery Size) 3300 mAh 6000 mAh Samsung Galaxy M31s has larger battery capacity than ASUS ZenFone 5Z (ZS620KL).
Fast Charging Technology BoostMaster Fast Charging Samsung Super Fast Charging Both phones have fast charging technology.
Talk Time - 3060 minutes
Run Time Details - Active online usage (LTE): up to 22 hrs
Active online usage (Wi-Fi): up to 22 hrs
Playback (video): up to 27 hrs
Playback (audio): up to 125 hrs
Talk (4G): up to 3060 min
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie -
User Interface ASUS ZenUI 5.0 One UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-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 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 17, Band 20, Band 26, Band 28, Band 38, 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 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X -
FEATURES ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
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 Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
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 Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing
OTHERS ASUS ZenFone 5Z (ZS620KL) Samsung Galaxy M31s
Included Accessories Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone Power adapter
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