ASUS ZenFone Zoom (ZX551ML) vs. Samsung Galaxy A31

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Samsung Galaxy A31. 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 A31 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
Product Type Smartphone Smartphone
Manufacturer Model Number ZX551ML SM-A315G/DS
Form Factor Touch Touch
Height 158.9 mm 159.3 mm Samsung Galaxy A31 has greater height than ASUS ZenFone Zoom (ZX551ML).
Width 78.8 mm 73.1 mm ASUS ZenFone Zoom (ZX551ML) has greater width than Samsung Galaxy A31.
Depth 12 mm 8.6 mm Samsung Galaxy A31 is narrower than ASUS ZenFone Zoom (ZX551ML).
Weight 185 g 185 g Both phones are the same weight.
Body Colour Ceramic white | Pure black Prism crush black
Waterproof (Water-resistant) - -
SAR Value 0.432 W/kg (body), 0.343 W/kg (head) 1.68 W/kg (body), 0.488 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty - Dual-SIM
DISPLAY ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
Display Type LCD display OLED display
Display Technology IPS Super AMOLED
Screen Size (Display Size) 5.5" 6.4" Samsung Galaxy A31 has larger screen size than ASUS ZenFone Zoom (ZX551ML).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A31 has better screen resolution than ASUS ZenFone Zoom (ZX551ML).
Display Format Full HD Full HD+
Pixel Density 401 ppi -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - Night mode, Edge-to-Edge screen, Infinity U Display
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) -
PROCESSOR ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
Processor Type (CPU) Intel Atom -
Processor Number Z3590 -
Clock Speed 2.5 GHz 2 GHz ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Samsung Galaxy A31.
Processor Core Qty Quad-core 8-core Samsung Galaxy A31 has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML).
Graphics System (GPU) PowerVR G6430 -
MEMORY ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
RAM 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 64 GB Samsung Galaxy A31 has more internal memory than ASUS ZenFone Zoom (ZX551ML).
User Memory - 46.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 512 GB
CAMERA ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 13 Megapixel 48 Megapixel Samsung Galaxy A31 has better camera resolution than ASUS ZenFone Zoom (ZX551ML).
Lens Aperture F/2.7-4.8 F/2.0 Samsung Galaxy A31 has better lens aperture than ASUS ZenFone Zoom (ZX551ML).
Field of View (FoV) - 80 degree(s)
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - ASUS ZenFone Zoom (ZX551ML) has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Digital Zoom 3x 8x Samsung Galaxy A31 has better digital zoom than ASUS ZenFone Zoom (ZX551ML).
HDR Mode Auto HDR mode -
Camera Modes Panorama Depth bokeh
Face Recognition (Face ID) Face detection - ASUS ZenFone Zoom (ZX551ML) has face detection.
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) - Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
Minimum Focal Length (2nd Camera) - 40 mm
Camera Functions (2nd Camera) - Macro camera
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) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 20 Megapixel Samsung Galaxy A31 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).
Focus Adjustment - Focus free
BATTERY AND CHARGING ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Samsung Galaxy A31 has larger battery capacity than ASUS ZenFone Zoom (ZX551ML).
Talk Time - 1980 minutes
Run Time Details - Active online usage (LTE): up to 20 hrs
Active online usage (Wi-Fi): up to 20 hrs
Playback (video): up to 22 hrs
Playback (audio): up to 97 hrs
Talk (LTE): up to 1980 min
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0 (Lollipop) Android 10
User Interface ASUS ZenUI 2.0 One UI
Payment Technology - Samsung Pay
Navigation A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
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 20, Band 28, Band 38, 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 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.0 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
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
FEATURES ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
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, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Fingerprint reader (under display)
Additional Phone Features Multitasking Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing
OTHERS ASUS ZenFone Zoom (ZX551ML) Samsung Galaxy A31
Included Accessories Power adapter Power adapter
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