In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Black Shark 2. 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) | Black Shark 2 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZX551ML | - | |
Form Factor | Touch | Touch | |
Height | 158.9 mm | 163.61 mm | Black Shark 2 has greater height than ASUS ZenFone Zoom (ZX551ML). |
Width | 78.8 mm | 75.01 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than Black Shark 2. |
Depth | 12 mm | 8.77 mm | Black Shark 2 is narrower than ASUS ZenFone Zoom (ZX551ML). |
Weight | 185 g | 205 g | ASUS ZenFone Zoom (ZX551ML) is lighter than ASUS ZenFone Zoom (ZX551ML). |
Body Colour | Ceramic white | Pure black | Shadow black | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.432 W/kg (body), 0.343 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 | |
SIM Card Type (Size) | Micro SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM |
DISPLAY | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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Display Type | LCD display | OLED display | |
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Display Technology | IPS | AMOLED | |
Screen Size (Display Size) | 5.5" | 6.39" | Black Shark 2 has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Black Shark 2 has better screen resolution than ASUS ZenFone Zoom (ZX551ML). |
Display Format | Full HD | - | |
Pixel Density | 401 ppi | 403 ppi | Black Shark 2 has better pixel density than ASUS ZenFone Zoom (ZX551ML). |
Aspect Ratio | - | 19.5:9 | |
Max Brightness | - | 430 cd/m² | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 60000:1 | |
HDR | - | Yes | Black Shark 2 has HDR. |
Display Refresh Rate | - | 240 Hz | |
Display Features | - | Eye protection mode, Image Enhance Technology, DCI-P3 Wide colour gamut, TrueView Display, intelligent motion compensation technology | |
Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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Processor Type (CPU) | Intel Atom | Qualcomm Snapdragon 855 | |
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Processor Number | Z3590 | - | |
Clock Speed | 2.5 GHz | 2.84 GHz | Black Shark 2 has higher clock speed than ASUS ZenFone Zoom (ZX551ML). |
Processor Core Qty | Quad-core | 8-core | Black Shark 2 has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML). |
64-bit Architecture | - | Yes | Black Shark 2 has 64-bit architecture. |
Graphics System (GPU) | PowerVR G6430 | Qualcomm ADRENO 640 |
MEMORY | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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RAM | 4 GB | LPDDR4X SDRAM - 12 GB | Black Shark 2 has more RAM than ASUS ZenFone Zoom (ZX551ML). |
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Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Black Shark 2 has more internal memory than ASUS ZenFone Zoom (ZX551ML). |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
CAMERA | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 2 | |
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Sensor Resolution | 13 Megapixel | 48 Megapixel | Black Shark 2 has better camera resolution than ASUS ZenFone Zoom (ZX551ML). |
Lens Aperture | F/2.7-4.8 | F/1.75 | Black Shark 2 has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
Lens Construction | - | 6-element | |
Pixel Size | - | 0.8 μm | |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | ASUS ZenFone Zoom (ZX551ML) has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | - | |
Optical Zoom | - | 2x | |
Digital Zoom | 3x | - | |
Special Effects | - | HDR, low light enhancement | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama | Panorama, Slow motion mode, Pro mode, portrait mode | |
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, 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 | |
Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF) |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
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Lens Aperture (2nd Camera) | - | F/2.2 | |
Pixel Size (2nd Camera) | - | 1 μm | |
Camera Features (2nd Camera) | - | 6P lens |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 20 Megapixel | Black Shark 2 has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Lens Element Qty (Front) | - | 5-element | |
Pixel Size (Front) | - | 0.9 μm | |
Camera Modes (Front) | - | AI Beauty | |
Camera Features (Front) | - | 4-in-1 technology |
BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | Black Shark 2 has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
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Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4.0 | Black Shark 2 has fast charging technology. |
Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 5.0 (Lollipop) | - | |
User Interface | ASUS ZenUI 2.0 | - | |
Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | 850 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 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, Band 38, Band 39, 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
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 | - | ASUS ZenFone Zoom (ZX551ML) has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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Supported Digital Audio Standards | - | WAV, WMA, AAC, AIFF, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, apt-X HD | |
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Supported Digital Video Standards | - | FLV, AVI, ASF, 3GP, WebM, 3G2, MP4 |
FEATURES | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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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 | Ambient light sensor, gyro sensor, geomagnetic sensor, distance sensor, gravity sensor | |
Security Devices | - | Fingerprint reader (under display) | |
Additional Phone Features | Multitasking | MIMO technology, MU-MIMO technology, X-Type Smart Antenna, Revolutionary Liquid Cooling 3.0, Ludicrous Mode, Black Shark Gaming AI, TrueClarity MEMC processing, SHARK key |
OTHERS | ASUS ZenFone Zoom (ZX551ML) | Black Shark 2 |
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Included Accessories | Power adapter | Power adapter, SIM card removal tool, screen protector, USB-C to 3.5 jack adapter, USB-C cable, protective case |
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