In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and ASUS ZenFone 3 Ultra (ZU680KL). 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 3 Ultra (ZU680KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZX551ML | ZU680KL | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 186.4 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater height than ASUS ZenFone Zoom (ZX551ML). |
| Width | 78.8 mm | 93.9 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater width than ASUS ZenFone Zoom (ZX551ML). |
| Depth | 12 mm | 6.8 mm | ASUS ZenFone 3 Ultra (ZU680KL) is narrower than ASUS ZenFone Zoom (ZX551ML). |
| Weight | 185 g | 233 g | ASUS ZenFone Zoom (ZX551ML) is lighter than ASUS ZenFone Zoom (ZX551ML). |
| Body Colour | Ceramic white | Pure black | Rose gold | Titanium grey | Glacier silver | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
HDMI - 19 pin micro HDMI Type D USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.5" | 6.8" | ASUS ZenFone 3 Ultra (ZU680KL) has larger screen size than ASUS ZenFone Zoom (ZX551ML). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1920 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD | Full HD | |
| Pixel Density | 401 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | Full Lamination, ASUS Tru2Life+ | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Processor Type (CPU) | Intel Atom | Qualcomm Snapdragon 652 | |
|---|---|---|---|
| Processor Number | Z3590 | - | |
| Clock Speed | 2.5 GHz | 1.8 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than ASUS ZenFone 3 Ultra (ZU680KL). |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | ASUS ZenFone 3 Ultra (ZU680KL) has 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | Qualcomm ADRENO 510 |
| MEMORY | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| RAM | 4 GB | 3 GB | ASUS ZenFone Zoom (ZX551ML) has more RAM than ASUS ZenFone 3 Ultra (ZU680KL). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 200 GB |
| CAMERA | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 23 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better camera resolution than ASUS ZenFone Zoom (ZX551ML). |
| Lens Aperture | F/2.7-4.8 | F/2.0 | ASUS ZenFone 3 Ultra (ZU680KL) 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 | |
| Digital Zoom | 3x | - | |
| Special Effects | - | Depth of field | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini 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) | |
| Camera Features (Functions) | - | Sapphire crystal lens cover, GIF animation function, Phase Detect Auto-Focus (PDAF), ZenMotion, Smart Remove, Electronic Image Stabiliser (EIS), MiniMovie, Time Rewind |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better front camera resolution than ASUS ZenFone Zoom (ZX551ML). |
| 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 | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Slow motion video, night mode, selfie panorama | |
| Camera Features (Front) | - | PixelMaster camera |
| BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4600 mAh | ASUS ZenFone 3 Ultra (ZU680KL) has larger battery capacity than ASUS ZenFone Zoom (ZX551ML). |
|---|---|---|---|
| Talk Time | - | 2040 minutes | |
| Run Time Details | - | Talk: up to 2040 min Continuous browsing (Wi-Fi): up to 14.5 hrs Playback (video): up to 12.5 hrs |
|
| Battery Technology | Lithium polymer | Lithium |
| CELLULAR | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| 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 | ASUS ZenUI 3.0 | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 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 | Infrared (IrDA), IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | A2DP | |
| NFC | Yes | - | ASUS ZenFone Zoom (ZX551ML) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| FEATURES | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| 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, RGB sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Multitasking | QuickMemo function, Wi-Fi Miracast, Kids Mode, ASUS TruVivid technology, Power Saving Mode, Hi-Res Audio, ASUS BoostMaster technology, ASUS WebStorage (5GB), Google Drive Storage (100 GB) (free for 2 years), VisualMaster 3.0, DTS Headphone:X, ASUS SonicMaster 3.0 technology |
| OTHERS | ASUS ZenFone Zoom (ZX551ML) | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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