Detailed comparison and review of ASUS ZenFone 3 Ultra (ZU680KL) and ASUS ZenFone 3 (ZE520KL). With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZU680KL | ZE520KL | |
| Form Factor | Touch | Touch | |
| Height | 186.4 mm | 146.87 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater height than ASUS ZenFone 3 (ZE520KL). |
| Width | 93.9 mm | 73.98 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater width than ASUS ZenFone 3 (ZE520KL). |
| Depth | 6.8 mm | 7.69 mm | ASUS ZenFone 3 Ultra (ZU680KL) is narrower than ASUS ZenFone 3 Ultra (ZU680KL). |
| Weight | 233 g | 144 g | ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 Ultra (ZU680KL). |
| Body Colour | Rose gold | Titanium grey | Glacier silver | Moon white | Gold shimmer | Black sapphire | |
| Body Material | Metal | Metal, glass | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.938 W/kg (body), 0.278 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | HDMI - 19 pin micro HDMI Type D USB Type-C - 24 pin USB-C |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | Super IPS+ | |
| Screen Size (Display Size) | 6.8" | 5.2" | ASUS ZenFone 3 Ultra (ZU680KL) has larger screen size than ASUS ZenFone 3 (ZE520KL). |
| 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 | |
| Max Brightness | - | 600 cd/m² | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | Bluelight Filter for Eye Care | |
| Display Features | Full Lamination, ASUS Tru2Life+ | ASUS Glove Touch technology, 2.5D curved glass | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 652 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 2 GHz | ASUS ZenFone 3 (ZE520KL) has higher clock speed than ASUS ZenFone 3 Ultra (ZU680KL). |
| Processor Core Qty | Quad-core | 8-core | ASUS ZenFone 3 (ZE520KL) has higher processor core quantity than ASUS ZenFone 3 Ultra (ZU680KL). |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 510 | Qualcomm ADRENO 506 |
| MEMORY | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| 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 200 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 16 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better camera resolution than ASUS ZenFone 3 (ZE520KL). |
| Sensor Name | - | Sony Exmor RS IMX298 sensor | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | 6-element | 6-element | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | 4 Stop OIS (Optical Image Stabilisation) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | Yes | |
| Special Effects | Depth of field | Depth of field | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 3840 x 2160 (4K) | |
| 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 | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| 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 | Auto HDR mode | |
| Camera Modes (Front) | Slow motion video, night mode, selfie panorama | Selfie panorama | |
| Camera Features (Front) | PixelMaster camera | PixelMaster camera |
| BATTERY AND CHARGING | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Battery Capacity (Battery Size) | 4600 mAh | 2650 mAh | ASUS ZenFone 3 Ultra (ZU680KL) has larger battery capacity than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| 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 | - |
| CELLULAR | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 6.0 (Marshmallow) | |
| User Interface | ASUS ZenUI 3.0 | ASUS ZenUI 3.0 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 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 20 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | Infrared (IrDA), IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| FEATURES | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | 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 | Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology |
| OTHERS | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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