In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and ASUS ZenFone AR (ZS571KL). 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) | ASUS ZenFone AR (ZS571KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZX551ML | ZS571KL | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 158.67 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than ASUS ZenFone AR (ZS571KL). |
| Width | 78.8 mm | 77.4 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than ASUS ZenFone AR (ZS571KL). |
| Depth | 12 mm | 7.99 mm | ASUS ZenFone AR (ZS571KL) is narrower than ASUS ZenFone Zoom (ZX551ML). |
| Weight | 185 g | 185 g | Both phones are the same weight. |
| Body Colour | Ceramic white | Pure black | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 1.59 W/kg (body), 0.85 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Quad HD Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.7" | ASUS ZenFone AR (ZS571KL) has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2560 x 1440 pixels | ASUS ZenFone AR (ZS571KL) has better screen resolution than ASUS ZenFone Zoom (ZX551ML). |
| Display Format | Full HD | QHD | |
| Pixel Density | 401 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | ASUS Glove Touch technology, ASUS Tru2Life | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| Processor Type (CPU) | Intel Atom | Qualcomm Snapdragon 821 | |
|---|---|---|---|
| Processor Number | Z3590 | MSM8996 Pro | |
| Clock Speed | 2.5 GHz | 2.35 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than ASUS ZenFone AR (ZS571KL). |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | ASUS ZenFone AR (ZS571KL) has 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | Qualcomm ADRENO 530 |
| MEMORY | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| RAM | 4 GB | LPDDR4 SDRAM - 6 GB | ASUS ZenFone AR (ZS571KL) has more RAM than ASUS ZenFone Zoom (ZX551ML). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | ASUS ZenFone AR (ZS571KL) has more internal memory than ASUS ZenFone Zoom (ZX551ML). |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 23 Megapixel | ASUS ZenFone AR (ZS571KL) has better camera resolution than ASUS ZenFone Zoom (ZX551ML). |
| Sensor Size | - | 1/2.6" | |
| Sensor Name | - | Sony Exmor RS IMX318 sensor | |
| Lens Aperture | F/2.7-4.8 | F/2.0 | ASUS ZenFone AR (ZS571KL) has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
| Lens Construction | - | 6-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | Yes | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Digital Zoom | 3x | - | |
| Special Effects | - | Depth of field | |
| HDR Mode | Auto HDR mode | HDR Pro | |
| Camera Modes | Panorama | Panorama, Time-lapse mode, Slow motion mode, night mode, selfie mode, manual mode, super resolution mode, low-light shots, All Smiles mode, Photo Effect Mode, panoramic selfies, selfie panorama, GIF animation function, Real-Time Beautification | |
| Face Recognition (Face ID) | Face detection | - | ASUS ZenFone Zoom (ZX551ML) has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Smart Remove, Time Rewind, PixelMaster 3.0 camera, 3-axis electronic image stabilisation, Blue Glass IR Filter, Continuous Auto Focus (CAF), RAW image capture, ASUS TriTech technology |
| SECOND CAMERA |
|---|
| Camera Features (2nd Camera) | - | Motion Tracking Rear Camera |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | ASUS ZenFone AR (ZS571KL) has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
| Sensor Size (Front) | - | 1/4" | |
| Sensor Name (Front) | - | Omnivision OV8856 sensor | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | Miniature, HDR, Depth of field | |
| HDR Mode (Front) | - | HDR Pro | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, Slow motion mode, night mode, selfie mode, manual mode, super resolution mode, low-light shots, All Smiles mode, Photo Effect Mode, panoramic selfies, selfie panorama, GIF animation function, Real-Time Beautification | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | PixelMaster 3.0 camera, Time Rewind, Smart Remove |
| BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3300 mAh | ASUS ZenFone AR (ZS571KL) has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0, BoostMaster Fast Charging | ASUS ZenFone AR (ZS571KL) has fast charging technology. |
| Battery Technology | Lithium polymer | Lithium polymer |
| CELLULAR | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| 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 7.0 Nougat | |
| User Interface | ASUS ZenUI 2.0 | ASUS ZenUI 3.0 | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, 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 5, Band 6, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 800, 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 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, 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 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, 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 4.2 | |
| Bluetooth Profiles | A2DP | OPP, PAN, A2DP, AVRCP, HID | |
| NFC | Yes | - | ASUS ZenFone Zoom (ZX551ML) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| Sound Enhancements | - | DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio |
|---|
| FEATURES | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| 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, digital compass, barometer, gyro sensor, G-sensor, hall sensor, RGB sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Multitasking | Infrared remote control, Dual microphones, Google Drive Storage (100 GB) (free for 2 years), Tango technology support, ASUS SonicMaster 3.0 technology, NXP Smart AMP technology, ASUS Noise Reduction technology, Daydream technology support |
| OTHERS | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone AR (ZS571KL) |
|---|
| Included Accessories | Power adapter | Power adapter, USB-C cable |
|---|
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