Detailed comparison and review of Xiaomi Redmi 4X and ASUS ZenFone AR (ZS571KL). 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 | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS571KL | |
| Form Factor | Touch | Touch | |
| Height | 139.24 mm | 158.67 mm | ASUS ZenFone AR (ZS571KL) has greater height than Xiaomi Redmi 4X. |
| Width | 69.96 mm | 77.4 mm | ASUS ZenFone AR (ZS571KL) has greater width than Xiaomi Redmi 4X. |
| Depth | 8.65 mm | 7.99 mm | ASUS ZenFone AR (ZS571KL) is narrower than Xiaomi Redmi 4X. |
| Weight | 146 g | 185 g | Xiaomi Redmi 4X is lighter than Xiaomi Redmi 4X. |
| Body Colour | Black | Black | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.5 W/kg (body), 0.583 W/kg (head) | 1.59 W/kg (body), 0.85 W/kg (head) | |
| Integrated Components | - | 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | Quad HD Super AMOLED | |
| Screen Size (Display Size) | 5" | 5.7" | ASUS ZenFone AR (ZS571KL) has larger screen size than Xiaomi Redmi 4X. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2560 x 1440 pixels | ASUS ZenFone AR (ZS571KL) has better screen resolution than Xiaomi Redmi 4X. |
| Display Format | HD | QHD | |
| Max Brightness | 450 cd/m² | - | |
| Contrast Ratio | 1000:1 | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | 2.5D Glass, Night Display, Reading mode, Colour temperature adjustment | ASUS Glove Touch technology, ASUS Tru2Life | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 435 | Qualcomm Snapdragon 821 | |
|---|---|---|---|
| Processor Number | - | MSM8996 Pro | |
| Clock Speed | 1.4 GHz | 2.35 GHz | ASUS ZenFone AR (ZS571KL) has higher clock speed than Xiaomi Redmi 4X. |
| Processor Core Qty | 8-core | Quad-core | Xiaomi Redmi 4X 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 505 | Qualcomm ADRENO 530 |
| MEMORY | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| RAM | 3 GB | LPDDR4 SDRAM - 6 GB | ASUS ZenFone AR (ZS571KL) has more RAM than Xiaomi Redmi 4X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | ASUS ZenFone AR (ZS571KL) has more internal memory than Xiaomi Redmi 4X. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Xiaomi Redmi 4X | 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 Redmi 4X. |
| 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 | HDR | Depth of field | |
| HDR Mode | - | HDR Pro | |
| Camera Modes | Burst mode, Panorama | 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 recognition | - | Xiaomi Redmi 4X has face detection. |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | 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 Redmi 4X. |
| Sensor Size (Front) | - | 1/4" | |
| Sensor Name (Front) | - | Omnivision OV8856 sensor | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | ASUS ZenFone AR (ZS571KL) has better front lens aperture than Xiaomi Redmi 4X. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | Miniature, HDR, Depth of field | |
| HDR Mode (Front) | - | HDR Pro | |
| Camera Modes (Front) | Beautify Selfie 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 recognition | - | Xiaomi Redmi 4X has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | PixelMaster 3.0 camera, Time Rewind, Smart Remove |
| BATTERY AND CHARGING | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3300 mAh | Xiaomi Redmi 4X has larger battery capacity than ASUS ZenFone AR (ZS571KL). |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0, BoostMaster Fast Charging | ASUS ZenFone AR (ZS571KL) has fast charging technology. |
| Standby Time | 432 hours | - | |
| Talk Time | 2160 minutes | - | |
| Run Time Details | Talk: up to 2160 min Playback (video): up to 15 hrs Gaming: up to 13 hrs Standby (LTE): up to 432 hrs Playback (audio): up to 87 hrs Reading: up to 26 hrs Navigation: up to 15 hrs |
- | |
| Battery Technology | - | Lithium polymer |
| CELLULAR | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 7.0 Nougat | |
| User Interface | MIUI 8 | ASUS ZenUI 3.0 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi 4X | 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 8 | Band 1, Band 2, Band 5, Band 6, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 800, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | 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 | Infrared (IrDA), IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | HID | OPP, PAN, A2DP, AVRCP, HID | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 | - | |
| Sound Enhancements | - | DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio |
| FEATURES | Xiaomi Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| 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, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor, G-sensor, hall sensor, RGB sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Infrared remote control | 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 Redmi 4X | ASUS ZenFone AR (ZS571KL) |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter, USB-C cable |
|---|
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