In depth comparison and review of ASUS ZenFone 2 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 2 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZU680KL | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 186.4 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater height than ASUS ZenFone 2. |
| Width | 77.2 mm | 93.9 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater width than ASUS ZenFone 2. |
| Depth | 10.9 mm | 6.8 mm | ASUS ZenFone 3 Ultra (ZU680KL) is narrower than ASUS ZenFone 2. |
| Weight | 170 g | 233 g | ASUS ZenFone 2 is lighter than ASUS ZenFone 2. |
| Body Colour | Osmium Black | Rose gold | Titanium grey | Glacier silver | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.87 W/kg (body), 0.92 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm USB |
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 | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone 2 | 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 2. |
| 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 | 400 ppi | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | Full Lamination, ASUS Tru2Life+ | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone 2 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Processor Type (CPU) | Intel Atom | Qualcomm Snapdragon 652 | |
|---|---|---|---|
| Processor Number | Z3580 | - | |
| Clock Speed | 2.3 GHz | 1.8 GHz | ASUS ZenFone 2 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 | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | Qualcomm ADRENO 510 |
| MEMORY | ASUS ZenFone 2 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| RAM | 4 GB | 3 GB | ASUS ZenFone 2 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 64 GB | microSDHC, microSDXC - up to 200 GB |
| CAMERA | ASUS ZenFone 2 | 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 2. |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | - | 6-element | |
| Optical Image Stabiliser (OIS) | - | 4 Stop OIS (Optical Image Stabilisation) | ASUS ZenFone 3 Ultra (ZU680KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Special Effects | - | Depth of field | |
| HDR Mode | Super HDR | Auto HDR mode | |
| Camera Modes | Panoramic pictures, night mode, wide selfie mode, Beauty 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) | 1920 x 1080 (1080p) | |
| Camera Features (Functions) | Zero Shutter Lag, Blue Glass Infrared Filter, By Pixel Super Resolution technology | 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 2. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Focus Adjustment | Automatic | 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 2 | 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 2. |
|---|---|---|---|
| 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 2 | 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 | ASUS ZenUI 3.0 | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 2 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 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 4, Band 5, Band 7, Band 8, Band 17, Band 20 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, FDD 800 DD | - | |
| 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 2 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| FEATURES | ASUS ZenFone 2 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Kids Mode, Glove Touchscreen Operation, ASUS BoostMaster technology | 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 2 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Included Accessories | Headset, power adapter | Power adapter |
|---|
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