In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Samsung Galaxy A8 (2018). 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 A8 (2018) |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZX551ML | SM-A530F | |
Form Factor | Touch | Touch | |
Height | 158.9 mm | 149.2 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than Samsung Galaxy A8 (2018). |
Width | 78.8 mm | 70.6 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than Samsung Galaxy A8 (2018). |
Depth | 12 mm | 8.4 mm | Samsung Galaxy A8 (2018) is narrower than ASUS ZenFone Zoom (ZX551ML). |
Weight | 185 g | 172 g | Samsung Galaxy A8 (2018) is lighter than ASUS ZenFone Zoom (ZX551ML). |
Body Colour | Ceramic white | Pure black | Orchid grey | Gold | Black | |
Protection | - | Dustproof, waterproof | |
Waterproof (Water-resistant) | - | Yes | Samsung Galaxy A8 (2018) is waterproof. |
IP rating | - | IP68 | |
SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 1.25 W/kg (body), 0.241 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 | - | Single-SIM |
DISPLAY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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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" | 5.6" | Samsung Galaxy A8 (2018) has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2220 x 1080 pixels | Samsung Galaxy A8 (2018) has better screen resolution than ASUS ZenFone Zoom (ZX551ML). |
Display Format | Full HD | - | |
Pixel Density | 401 ppi | 440 ppi | Samsung Galaxy A8 (2018) has better pixel density than ASUS ZenFone Zoom (ZX551ML). |
Aspect Ratio | - | 18.5:9 | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Features | - | Always-on display, Infinity Display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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Processor Type (CPU) | Intel Atom | Samsung Exynos | |
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Processor Number | Z3590 | 7885 | |
Clock Speed | 2.5 GHz | 2.2 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Samsung Galaxy A8 (2018). |
Processor Core Qty | Quad-core | 8-core | Samsung Galaxy A8 (2018) has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML). |
64-bit Architecture | - | Yes | Samsung Galaxy A8 (2018) has 64-bit architecture. |
Graphics System (GPU) | PowerVR G6430 | - |
MEMORY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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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 | 32 GB | Both phones have the same internal memory capacity. |
User Memory | - | 22.7 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
CAMERA | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 1 | |
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Sensor Resolution | 13 Megapixel | 16 Megapixel | Samsung Galaxy A8 (2018) has better camera resolution than ASUS ZenFone Zoom (ZX551ML). |
Sensor Size | - | 1/2.8" | |
Lens Aperture | F/2.7-4.8 | F/1.7 | Samsung Galaxy A8 (2018) has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
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 | 4x | Samsung Galaxy A8 (2018) has better digital zoom than ASUS ZenFone Zoom (ZX551ML). |
Special Effects | - | HDR, Beauty effect, Grid Line | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama | Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode | |
Face Recognition (Face ID) | Face detection | Face detection | Both phones have face detection. |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Functions) | - | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), VDIS (Video Digital Image Stabilisation), Hyperlapse video with stabilisation, Tracking AF, Video location tags, Live stickers, Stamps, location tags, High CRI flash |
FRONT CAMERA |
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Number of Front Cameras | 1 | 2 | |
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Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | Samsung Galaxy A8 (2018) has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
Sensor Size (Front) | - | 1/3.1" | |
Lens Aperture (Front) | F/2.0 | F/1.9 | Samsung Galaxy A8 (2018) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML). |
Special Effects (Front) | - | HDR, Grid Line | |
Camera Modes (Front) | - | Night mode, wide selfie mode, Beauty mode, Live Focus mode | |
Camera Features (Front) | - | Quick launch, Live stickers, Stamps, location tags |
SECOND FRONT CAMERA |
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Sensor Resolution (2nd Front) | - | 8 Megapixel | |
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Lens Aperture (2nd Front) | - | F/1.9 |
BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
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Talk Time | - | 1140 minutes | |
Run Time Details | - | Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (video): up to 17 hrs Playback (audio): up to 43 hrs Playback (audio (Always On Display Off)): up to 64 hrs Talk (3G): up to 1140 min |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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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 7.1.1 Nougat | |
User Interface | ASUS ZenUI 2.0 | - | |
Intelligent Assistant | - | Bixby | |
Navigation | A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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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 18, Band 19, 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 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, 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, ANT+/ANT | |
Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 LE | |
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 A8 (2018) |
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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 A8 (2018) |
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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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
Security Devices | - | Face recognition, fingerprint reader | |
Additional Phone Features | Multitasking | Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones |
OTHERS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy A8 (2018) |
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Included Accessories | Power adapter | Power adapter | |
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Compliant Standards | - | IP68 | |
Max Depth of Water Resistance | - | 1.5 m |