In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and LG Stylus 2 K520. 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) | LG Stylus 2 K520 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZX551ML | K520 | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 155 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than LG Stylus 2 K520. |
| Width | 78.8 mm | 79.6 mm | LG Stylus 2 K520 has greater width than ASUS ZenFone Zoom (ZX551ML). |
| Depth | 12 mm | 7.4 mm | LG Stylus 2 K520 is narrower than ASUS ZenFone Zoom (ZX551ML). |
| Weight | 185 g | 145 g | LG Stylus 2 K520 is lighter than ASUS ZenFone Zoom (ZX551ML). |
| Body Colour | Ceramic white | Pure black | Brown | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 1.11 W/kg (body), 0.404 W/kg (head), 1.496 W/kg (body) (simultaneous), 0.744 W/kg (head) (simultaneous) | |
| 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 Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM |
| DISPLAY | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.5" | 5.7" | LG Stylus 2 K520 has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | ASUS ZenFone Zoom (ZX551ML) has better screen resolution than LG Stylus 2 K520. |
| Display Format | Full HD | HD | |
| Pixel Density | 401 ppi | 258 ppi | ASUS ZenFone Zoom (ZX551ML) has better pixel density than LG Stylus 2 K520. |
| 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) | LG Stylus 2 K520 |
|---|
| Processor Type (CPU) | Intel Atom | - | |
|---|---|---|---|
| Processor Number | Z3590 | MSM8916 | |
| Clock Speed | 2.5 GHz | 1.2 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than LG Stylus 2 K520. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | PowerVR G6430 | - |
| MEMORY | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| RAM | 4 GB | 1.5 GB | ASUS ZenFone Zoom (ZX551ML) has more RAM than LG Stylus 2 K520. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | ASUS ZenFone Zoom (ZX551ML) has more internal memory than LG Stylus 2 K520. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC - up to 32 GB |
| CAMERA | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.7-4.8 | - | |
| 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 | Gesture Shot | |
| Face Recognition (Face ID) | Face detection | - | ASUS ZenFone Zoom (ZX551ML) has face detection. |
| Light Source | Dual LED flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | LG Stylus 2 K520 has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
| Lens Aperture (Front) | F/2.0 | - | |
| Camera Features (Front) | - | Virtual Flash |
| BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| 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 6.0 (Marshmallow) | |
| User Interface | ASUS ZenUI 2.0 | - | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 1800 GSM, 1900 GSM | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 9, Band 18, Band 19, Band 28 | - | |
| 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 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
| 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) | LG Stylus 2 K520 |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, MP3, FLAC, eAAC+ | |
|---|---|---|---|
| Supported Digital Video Standards | - | XviD, MPEG-4, WMV, DivX, H.264, H.263 |
| FEATURES | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | - | |
| Additional Phone Features | Multitasking | Knock Code function |
| OTHERS | ASUS ZenFone Zoom (ZX551ML) | LG Stylus 2 K520 |
|---|
| Included Accessories | Power adapter | Stylus, power adapter |
|---|
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