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.
DESIGN AND DIMENSIONS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A31 |
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Product Type | Smartphone | Smartphone | |
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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 |
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SIM Card Type (Size) | Micro SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM |
DISPLAY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A31 |
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Display Type | LCD display | OLED display | |
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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 |
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Processor Type (CPU) | Intel Atom | - | |
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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 |
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RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
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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 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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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 |
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Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
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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 |
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Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Camera Functions (3rd Camera) | - | Depth camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 5 Megapixel | |
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Lens Aperture (4th Camera) | - | F/2.4 | |
Camera Functions (4th Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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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 |
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Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Samsung Galaxy A31 has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
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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 |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A31 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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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 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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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 |
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Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
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Supported Digital Video Standards | - | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
FEATURES | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A31 |
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Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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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 |
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Included Accessories | Power adapter | Power adapter |
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