In depth comparison and review of Xiaomi MI 4i and ASUS ZenFone AR (ZS571KL). 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 AR (ZS571KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS571KL | |
| Form Factor | Touch | Touch | |
| Height | 138.1 mm | 158.67 mm | ASUS ZenFone AR (ZS571KL) has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 77.4 mm | ASUS ZenFone AR (ZS571KL) has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 7.99 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
| Weight | 130 g | 185 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.29 W/kg | 1.59 W/kg (body), 0.85 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Quad HD Super AMOLED | |
| Screen Size (Display Size) | 5" | 5.7" | ASUS ZenFone AR (ZS571KL) has larger screen size than Xiaomi MI 4i. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2560 x 1440 pixels | ASUS ZenFone AR (ZS571KL) has better screen resolution than Xiaomi MI 4i. |
| Display Format | Full HD | QHD | |
| Pixel Density | 441 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | ASUS Glove Touch technology, ASUS Tru2Life | |
| Display Protection (Screen Protector) | Corning Concore Glass | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 821 | |
|---|---|---|---|
| Processor Number | - | MSM8996 Pro | |
| Clock Speed | 1.7 GHz | 2.35 GHz | ASUS ZenFone AR (ZS571KL) 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 AR (ZS571KL). |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | Qualcomm ADRENO 530 |
| MEMORY | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| RAM | 2 GB | LPDDR4 SDRAM - 6 GB | ASUS ZenFone AR (ZS571KL) has more RAM than Xiaomi MI 4i. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | ASUS ZenFone AR (ZS571KL) has more internal memory than Xiaomi MI 4i. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 23 Megapixel | ASUS ZenFone AR (ZS571KL) has better camera resolution than Xiaomi MI 4i. |
| Sensor Size | - | 1/2.6" | |
| Sensor Name | - | Sony Exmor RS IMX318 sensor | |
| 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 AR (ZS571KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Special Effects | - | Depth of field | |
| HDR Mode | Auto HDR mode | HDR Pro | |
| Camera Modes | Panorama, manual mode | Panorama, Time-lapse mode, Slow motion mode, night mode, selfie mode, manual mode, super resolution mode, low-light shots, All Smiles mode, Photo Effect Mode, panoramic selfies, selfie panorama, GIF animation function, Real-Time Beautification | |
| 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) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Smart Remove, Time Rewind, PixelMaster 3.0 camera, 3-axis electronic image stabilisation, Blue Glass IR Filter, Continuous Auto Focus (CAF), RAW image capture, ASUS TriTech technology |
| SECOND CAMERA |
|---|
| Camera Features (2nd Camera) | - | Motion Tracking Rear Camera |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | ASUS ZenFone AR (ZS571KL) has better front camera resolution than Xiaomi MI 4i. |
| Sensor Size (Front) | - | 1/4" | |
| Sensor Name (Front) | - | Omnivision OV8856 sensor | |
| 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 | |
| Special Effects (Front) | - | Miniature, HDR, Depth of field | |
| HDR Mode (Front) | - | HDR Pro | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, Slow motion mode, night mode, selfie mode, manual mode, super resolution mode, low-light shots, All Smiles mode, Photo Effect Mode, panoramic selfies, selfie panorama, GIF animation function, Real-Time Beautification | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | PixelMaster 3.0 camera, Time Rewind, Smart Remove |
| BATTERY AND CHARGING | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 3300 mAh | ASUS ZenFone AR (ZS571KL) has larger battery capacity than Xiaomi MI 4i. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0, BoostMaster Fast Charging | ASUS ZenFone AR (ZS571KL) has fast charging technology. |
| Talk Time | 2100 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 2100 min | - | |
| Battery Technology | Lithium Ion | Lithium polymer |
| CELLULAR | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| 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 7.0 Nougat | |
| 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 AR (ZS571KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 5, Band 6, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 800, 900 | |
| 4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP, HID | OPP, PAN, A2DP, AVRCP, HID | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | - | |
| Sound Enhancements | - | DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio |
| FEATURES | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| 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, barometer, gyro sensor, G-sensor, hall sensor, RGB sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | Infrared remote control, Dual microphones, Google Drive Storage (100 GB) (free for 2 years), Tango technology support, ASUS SonicMaster 3.0 technology, NXP Smart AMP technology, ASUS Noise Reduction technology, Daydream technology support |
| OTHERS | Xiaomi MI 4i | ASUS ZenFone AR (ZS571KL) |
|---|
| Included Accessories | Power adapter | Power adapter, USB-C cable |
|---|
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