Detailed comparison and review of ASUS ZenFone AR (ZS571KL) and Xiaomi Redmi Note 4x. 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 | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS571KL | - | |
| Form Factor | Touch | Touch | |
| Height | 158.67 mm | 151 mm | ASUS ZenFone AR (ZS571KL) has greater height than Xiaomi Redmi Note 4x. |
| Width | 77.4 mm | 76 mm | ASUS ZenFone AR (ZS571KL) has greater width than Xiaomi Redmi Note 4x. |
| Depth | 7.99 mm | 8.45 mm | ASUS ZenFone AR (ZS571KL) is narrower than ASUS ZenFone AR (ZS571KL). |
| Weight | 185 g | 165 g | Xiaomi Redmi Note 4x is lighter than ASUS ZenFone AR (ZS571KL). |
| Body Colour | Black | Platinum silver grey | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.59 W/kg (body), 0.85 W/kg (head) | 0.674 W/kg (body), 0.724 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM, nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Micro SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Quad HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.7" | 5.5" | ASUS ZenFone AR (ZS571KL) has larger screen size than Xiaomi Redmi Note 4x. |
| Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 1920 x 1080 pixels | ASUS ZenFone AR (ZS571KL) has better screen resolution than Xiaomi Redmi Note 4x. |
| Display Format | QHD | Full HD | |
| Pixel Density | - | 403 ppi | |
| Max Brightness | - | 450 cd/m² | |
| Contrast Ratio | - | 1000:1 | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Features | ASUS Glove Touch technology, ASUS Tru2Life | 2.5D Glass, Eye protection mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 821 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Processor Number | MSM8996 Pro | - | |
| Clock Speed | 2.35 GHz | 2 GHz | ASUS ZenFone AR (ZS571KL) has higher clock speed than Xiaomi Redmi Note 4x. |
| Processor Core Qty | Quad-core | - | |
| 64-bit Architecture | Yes | - | ASUS ZenFone AR (ZS571KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | Qualcomm ADRENO 506 |
| MEMORY | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| RAM | LPDDR4 SDRAM - 6 GB | 3 GB | ASUS ZenFone AR (ZS571KL) has more RAM than Xiaomi Redmi Note 4x. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | ASUS ZenFone AR (ZS571KL) has more internal memory than Xiaomi Redmi Note 4x. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 13 Megapixel | ASUS ZenFone AR (ZS571KL) has better camera resolution than Xiaomi Redmi Note 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 | 6-element | 5-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 | |
| HDR Mode | HDR Pro | - | |
| Camera Modes | 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 | Burst mode, Panorama, low-light shots | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 4x has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p), 1280 x 720 (720p), Slo-mo video 1280 x 720 (720p) at 120 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 | Phase Detect Auto-Focus (PDAF) |
| SECOND CAMERA |
|---|
| Camera Features (2nd Camera) | Motion Tracking Rear Camera | - |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | ASUS ZenFone AR (ZS571KL) has better front camera resolution than Xiaomi Redmi Note 4x. |
| Sensor Size (Front) | 1/4" | - | |
| Sensor Name (Front) | Omnivision OV8856 sensor | - | |
| 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) | 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 | Real time beauty mode, Beautify with 36 smart beauty profiles | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 4x has face detection. |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | PixelMaster 3.0 camera, Time Rewind, Smart Remove | Selfie countdown |
| BATTERY AND CHARGING | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 4100 mAh | Xiaomi Redmi Note 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 | - | 264 hours | |
| Talk Time | - | 3060 minutes | |
| Run Time Details | - | Talk (2G): up to 3060 min Playback (video): up to 18 hrs Gaming: up to 15 hrs Standby (4G): up to 264 hrs Playback (audio): up to 162 hrs Reading: up to 22 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.0 Nougat | - | |
| User Interface | ASUS ZenUI 3.0 | MIUI 8 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 6, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 800, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | 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 | Band 1, Band 3, Band 5, Band 7, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | 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 | FDD 2100, FDD 1800+, FDD 850, 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 | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Bluetooth Profiles | OPP, PAN, A2DP, AVRCP, HID | HID | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio | - |
| FEATURES | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| 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, barometer, gyro sensor, G-sensor, hall sensor, RGB sensor | Accelerometer, ambient light sensor, gyro sensor, hall sensor, distance sensor | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | 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 | Infrared remote control |
| OTHERS | ASUS ZenFone AR (ZS571KL) | Xiaomi Redmi Note 4x |
|---|
| Included Accessories | Power adapter, USB-C cable | USB cable, power adapter, SIM card removal tool |
|---|
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