In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Samsung Galaxy J7 Duo. 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 J7 Duo |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZX551ML | SM-J720F | |
Form Factor | Touch | Touch | |
Height | 158.9 mm | 153.5 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than Samsung Galaxy J7 Duo. |
Width | 78.8 mm | 77.2 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than Samsung Galaxy J7 Duo. |
Depth | 12 mm | 8.2 mm | Samsung Galaxy J7 Duo is narrower than ASUS ZenFone Zoom (ZX551ML). |
Weight | 185 g | 174 g | Samsung Galaxy J7 Duo is lighter than ASUS ZenFone Zoom (ZX551ML). |
Body Colour | Ceramic white | Pure black | Black | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 1.397 W/kg (body), 0.543 W/kg (head) | |
Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Micro SIM | Micro SIM | |
SIM Card Qty | - | Single-SIM |
DISPLAY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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Display Type | LCD display | OLED display | |
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Display Technology | IPS | HD Super AMOLED | |
Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | ASUS ZenFone Zoom (ZX551ML) has better screen resolution than Samsung Galaxy J7 Duo. |
Display Format | Full HD | HD | |
Pixel Density | 401 ppi | - | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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Processor Type (CPU) | Intel Atom | - | |
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Processor Number | Z3590 | - | |
Clock Speed | 2.5 GHz | 1.6 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Samsung Galaxy J7 Duo. |
Processor Core Qty | Quad-core | 8-core | Samsung Galaxy J7 Duo has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML). |
Graphics System (GPU) | PowerVR G6430 | - |
MEMORY | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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RAM | 4 GB | 3 GB | ASUS ZenFone Zoom (ZX551ML) has more RAM than Samsung Galaxy J7 Duo. |
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Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
User Memory | - | 21.9 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 J7 Duo |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 2 | |
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Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
Lens Aperture | F/2.7-4.8 | F/1.9 | Samsung Galaxy J7 Duo 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 | - | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama | - | |
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 |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
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Lens Aperture (2nd Camera) | - | F/1.9 |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Samsung Galaxy J7 Duo has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
Lens Aperture (Front) | F/2.0 | F/1.9 | Samsung Galaxy J7 Duo has better front lens aperture than ASUS ZenFone Zoom (ZX551ML). |
BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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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 | - | 1200 minutes | |
Run Time Details | - | Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 17 hrs Playback (audio): up to 66 hrs Talk (WCDMA): up to 1200 min |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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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) | Google Android | |
User Interface | ASUS ZenUI 2.0 | - | |
Intelligent Assistant | - | Bixby | |
Navigation | A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 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 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 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT | 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+/ANT | |
Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
Bluetooth Profiles | A2DP | - | |
NFC | Yes | - | ASUS ZenFone Zoom (ZX551ML) has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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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 J7 Duo |
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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 | |
Security Devices | - | Face recognition, fingerprint reader | |
Additional Phone Features | Multitasking | - |
OTHERS | ASUS ZenFone Zoom (ZX551ML) | Samsung Galaxy J7 Duo |
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Included Accessories | Power adapter | Power adapter |
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