In depth comparison and review of Xiaomi MI 4i 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 | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZU680KL | |
| Form Factor | Touch | Touch | |
| Height | 138.1 mm | 186.4 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 93.9 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 6.8 mm | ASUS ZenFone 3 Ultra (ZU680KL) is narrower than Xiaomi MI 4i. |
| Weight | 130 g | 233 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Rose gold | Titanium grey | Glacier silver | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.29 W/kg | - | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
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 | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 6.8" | ASUS ZenFone 3 Ultra (ZU680KL) has larger screen size than Xiaomi MI 4i. |
| 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 | 441 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 Concore Glass | Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 652 | |
|---|---|---|---|
| Clock Speed | 1.7 GHz | 1.8 GHz | ASUS ZenFone 3 Ultra (ZU680KL) has higher clock speed than Xiaomi MI 4i. |
| Processor Core Qty | 8-core | Quad-core | Xiaomi MI 4i 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 405 | Qualcomm ADRENO 510 |
| MEMORY | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| RAM | 2 GB | 3 GB | ASUS ZenFone 3 Ultra (ZU680KL) has more RAM than Xiaomi MI 4i. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | ASUS ZenFone 3 Ultra (ZU680KL) has more internal memory than Xiaomi MI 4i. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 200 GB |
| CAMERA | Xiaomi MI 4i | 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 Xiaomi MI 4i. |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | 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 | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama, manual mode | 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, smile detection | - | Xiaomi MI 4i 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 Xiaomi MI 4i. |
| Lens Type (Front) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (Front) | F/1.8 | F/2.0 | Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i. |
| Lens Element Qty (Front) | 5-element | - | |
| 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 | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 4600 mAh | ASUS ZenFone 3 Ultra (ZU680KL) has larger battery capacity than Xiaomi MI 4i. |
|---|---|---|---|
| Talk Time | 2100 minutes | 2040 minutes | Xiaomi MI 4i has longer battery life when making calls than ASUS ZenFone 3 Ultra (ZU680KL). |
| Run Time Details | Talk (WCDMA): up to 2100 min | Talk: up to 2040 min Continuous browsing (Wi-Fi): up to 14.5 hrs Playback (video): up to 12.5 hrs |
|
| Battery Technology | Lithium Ion | Lithium |
| CELLULAR | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0.2 (Lollipop) | Android 6.0 (Marshmallow) | |
| User Interface | MIUI V6 | ASUS ZenUI 3.0 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 3, Band 7, Band 38, Band 39, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP, HID | A2DP | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | - |
| FEATURES | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | 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 | Xiaomi MI 4i | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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