In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and OPPO Reno2 Z. 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) | OPPO Reno2 Z |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZX551ML | - | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 161.8 mm | OPPO Reno2 Z has greater height than ASUS ZenFone Zoom (ZX551ML). |
| Width | 78.8 mm | 75.8 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than OPPO Reno2 Z. |
| Depth | 12 mm | 8.7 mm | OPPO Reno2 Z is narrower than ASUS ZenFone Zoom (ZX551ML). |
| Weight | 185 g | 195 g | ASUS ZenFone Zoom (ZX551ML) is lighter than ASUS ZenFone Zoom (ZX551ML). |
| Body Colour | Ceramic white | Pure black | Luminous black | Sky white | |
| Body Material | - | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 0.872 W/kg (head), 3.99 W/kg (limb), 1.282 W/kg (body) | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.5" | OPPO Reno2 Z has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | OPPO Reno2 Z has better screen resolution than ASUS ZenFone Zoom (ZX551ML). |
| Display Format | Full HD | - | |
| Pixel Density | 401 ppi | 394 ppi | ASUS ZenFone Zoom (ZX551ML) has better pixel density than OPPO Reno2 Z. |
| Max Brightness | - | 430 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 60000:1 | |
| Display Enhancement Technology | - | OnCell technology | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| Processor Type (CPU) | Intel Atom | MediaTek Helio P90 | |
|---|---|---|---|
| Processor Number | Z3590 | - | |
| Clock Speed | 2.5 GHz | - | |
| Processor Core Qty | Quad-core | - | |
| Graphics System (GPU) | PowerVR G6430 | IMG 9XM-HP8 |
| MEMORY | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| RAM | 4 GB | 8 GB | OPPO Reno2 Z has more RAM than ASUS ZenFone Zoom (ZX551ML). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | OPPO Reno2 Z 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 256 GB |
| CAMERA | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | OPPO Reno2 Z has better camera resolution than ASUS ZenFone Zoom (ZX551ML). |
| Sensor Size | - | 1/2" | |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Aperture | F/2.7-4.8 | F/1.7 | OPPO Reno2 Z 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 | - | |
| Digital Zoom | 3x | 10x | OPPO Reno2 Z has better digital zoom than ASUS ZenFone Zoom (ZX551ML). |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Professional mode, Night scene mode, Portrait Mode 2.0, Portrait bokeh mode | |
| 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) | - | Electronic Image Stabiliser (EIS), NPU Acceleration |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4.0" | |
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Bokeh lens | |
| Lens Aperture (4th Camera) | - | F/2.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Front Camera Design | - | Pop-up | |
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OPPO Reno2 Z 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 | |
| Special Effects (Front) | - | Video bokeh effect | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | OPPO Reno2 Z has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology 3.0 | OPPO Reno2 Z has fast charging technology. |
| Run Time Details | - | Gaming: up to 8 hrs Playback (video): up to 13 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| 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) | ColorOS 6.1 (based on Android 9) | |
| User Interface | ASUS ZenUI 2.0 | - | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 18, Band 19, Band 20, Band 26, Band 28, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, 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 | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio |
|---|
| FEATURES | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| 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, gyro sensor, hall sensor | |
| Security Devices | - | Fingerprint reader (under display) | |
| Additional Phone Features | Multitasking | Fingerprint 3.0, SLA Dual Channel Network 2.0 |
| OTHERS | ASUS ZenFone Zoom (ZX551ML) | OPPO Reno2 Z |
|---|
| Included Accessories | Power adapter | Headset, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
