In depth comparison and review of ASUS ZenFone 3 Ultra (ZU680KL) and ASUS ZenFone 5Z (ZS620KL). 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 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZU680KL | ZS620KL | |
| Form Factor | Touch | Touch | |
| Height | 186.4 mm | 153 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater height than ASUS ZenFone 5Z (ZS620KL). |
| Width | 93.9 mm | 75.65 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater width than ASUS ZenFone 5Z (ZS620KL). |
| Depth | 6.8 mm | 7.7 mm | ASUS ZenFone 3 Ultra (ZU680KL) is narrower than ASUS ZenFone 3 Ultra (ZU680KL). |
| Weight | 233 g | 155 g | ASUS ZenFone 5Z (ZS620KL) is lighter than ASUS ZenFone 3 Ultra (ZU680KL). |
| Body Colour | Rose gold | Titanium grey | Glacier silver | Midnight blue | Meteor silver | |
| Body Material | Metal | Aluminium | |
| Waterproof (Water-resistant) | - | - | |
| 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 | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS+ | |
| Screen Size (Display Size) | 6.8" | 6.2" | ASUS ZenFone 3 Ultra (ZU680KL) has larger screen size than ASUS ZenFone 5Z (ZS620KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2246 x 1080 pixels | ASUS ZenFone 5Z (ZS620KL) has better screen resolution than ASUS ZenFone 3 Ultra (ZU680KL). |
| Display Format | Full HD | - | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | - | 18:5:9 | |
| Max Brightness | - | 550 cd/m² | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | Bluelight Filter for Eye Care | |
| Display Features | Full Lamination, ASUS Tru2Life+ | DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating |
| PROCESSOR | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 652 | Qualcomm Snapdragon 845 | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | - | |
| Processor Core Qty | Quad-core | 8-core | ASUS ZenFone 5Z (ZS620KL) 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 630 |
| MEMORY | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | ASUS ZenFone 5Z (ZS620KL) has more RAM than ASUS ZenFone 3 Ultra (ZU680KL). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | ASUS ZenFone 5Z (ZS620KL) has more internal memory than ASUS ZenFone 3 Ultra (ZU680KL). |
| 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 5Z (ZS620KL) |
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| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 12 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better camera resolution than ASUS ZenFone 5Z (ZS620KL). |
| Sensor Size | - | 1/2.55" | |
| Sensor Name | - | Sony Exmor RS IMX363 sensor | |
| Lens Aperture | F/2.0 | F/1.8 | ASUS ZenFone 5Z (ZS620KL) has better lens aperture than ASUS ZenFone 3 Ultra (ZU680KL). |
| 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 | - | |
| Laser Auto Focus | Yes | - | |
| Special Effects | Depth of field | Night HDR | |
| 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, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, Real-Time Beautification, Real-time Protrait, Time Lapse (with power saving mode) | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| 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 | Dual Pixel technology, Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, RAW image capture, 4-axis optical image stabilisation, Instant cameras switching, Live Emoji, 8 filters, AI Photo Learning, 32s long exposure |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Camera Features (2nd Camera) | - | 3-axis electronic image stabilisation |
| 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 | 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) | - | Night HDR | |
| HDR Mode (Front) | Auto HDR mode | Auto HDR mode | |
| Camera Modes (Front) | Slow motion video, night mode, selfie panorama | Beauty mode, Auto mode, selfie panorama, GIF animation function | |
| Camera Features (Front) | PixelMaster camera | PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters |
| BATTERY AND CHARGING | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Battery Capacity (Battery Size) | 4600 mAh | 3300 mAh | ASUS ZenFone 3 Ultra (ZU680KL) has larger battery capacity than ASUS ZenFone 5Z (ZS620KL). |
|---|---|---|---|
| Fast Charging Technology | - | BoostMaster Fast Charging | ASUS ZenFone 5Z (ZS620KL) has fast charging technology. |
| 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 | Lithium polymer |
| CELLULAR | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| 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 9.0 Pie | |
| User Interface | ASUS ZenUI 3.0 | ASUS ZenUI 5.0 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | IEEE 802.11ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | A2DP | |
| NFC | - | Yes | ASUS ZenFone 5Z (ZS620KL) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Sound Enhancements | - | ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X |
|---|
| FEATURES | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor | |
| Security Devices | Fingerprint reader | Face recognition, 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 | Face Unlock, AudioWizard, NXP Smart AMP technology, ASUS Noise Reduction technology, Google Drive Storage (100 GB) (free for 1 year), Dual Smart AMP, Dual noise-cancelling microphones, AI Charging, AI Boost, ZeniMoji |
| OTHERS | ASUS ZenFone 3 Ultra (ZU680KL) | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Included Accessories | Power adapter | Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone |
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