Detailed comparison and review of ASUS ZenFone AR (ZS571KL) and Fairphone 4. 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) | Fairphone 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS571KL | - | |
| Form Factor | Touch | Touch | |
| Height | 158.67 mm | 162 mm | Fairphone 4 has greater height than ASUS ZenFone AR (ZS571KL). |
| Width | 77.4 mm | 75.5 mm | ASUS ZenFone AR (ZS571KL) has greater width than Fairphone 4. |
| Depth | 7.99 mm | 10.5 mm | ASUS ZenFone AR (ZS571KL) is narrower than ASUS ZenFone AR (ZS571KL). |
| Weight | 185 g | 225 g | ASUS ZenFone AR (ZS571KL) is lighter than ASUS ZenFone AR (ZS571KL). |
| Body Colour | Black | Grey | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP54 | |
| SAR Value | 1.59 W/kg (body), 0.85 W/kg (head) | 0.494 W/kg (head), 0.993 W/kg (body), 2.916 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Quad HD Super AMOLED | IPS | |
| Screen Size (Display Size) | 5.7" | 6.3" | Fairphone 4 has larger screen size than ASUS ZenFone AR (ZS571KL). |
| Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 2340 x 1080 pixels | ASUS ZenFone AR (ZS571KL) has better screen resolution than Fairphone 4. |
| Display Format | QHD | Full HD+ | |
| Pixel Density | - | 410 ppi | |
| Aspect Ratio | - | 19.5:9 | |
| Colour Depth | - | 16.7 million colours | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Features | ASUS Glove Touch technology, ASUS Tru2Life | Full Lamination, Pixelworks technology | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 821 | Qualcomm Snapdragon 750G | |
|---|---|---|---|
| Processor Number | MSM8996 Pro | SM7225 | |
| Clock Speed | 2.35 GHz | 2.2 GHz | ASUS ZenFone AR (ZS571KL) has higher clock speed than Fairphone 4. |
| Processor Core Qty | Quad-core | 8-core | Fairphone 4 has higher processor core quantity than ASUS ZenFone AR (ZS571KL). |
| 64-bit Architecture | Yes | - | ASUS ZenFone AR (ZS571KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | Qualcomm ADRENO 619 |
| MEMORY | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| RAM | LPDDR4 SDRAM - 6 GB | 6 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 48 Megapixel | Fairphone 4 has better camera resolution than ASUS ZenFone AR (ZS571KL). |
| Sensor Size | 1/2.6" | 1/2" | ASUS ZenFone AR (ZS571KL) has better camera sensor size than Fairphone 4. |
| Sensor Name | Sony Exmor RS IMX318 sensor | Sony Exmor RS IMX582 sensor | |
| Lens Aperture | F/2.0 | F/1.6 | Fairphone 4 has better lens aperture than ASUS ZenFone AR (ZS571KL). |
| Lens Construction | 6-element | - | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | 27 mm | - | |
| Digital Zoom | - | 8x | |
| 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 | Slow motion video, Pro mode, night mode | |
| Light Source | Dual LED flash | Dual LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| 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) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 4000 x 3000 (4K UHD) | |
| 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 | Laser detection auto focus (LDAF), TOF sensor, colour sensor |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 48 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 0.8 μm | |
| Camera Functions (2nd Camera) | - | Macro focus | |
| Still Image Resolutions | - | 8000 x 6000 | |
| Camera Features (2nd Camera) | Motion Tracking Rear Camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 25 Megapixel | Fairphone 4 has better front camera resolution than ASUS ZenFone AR (ZS571KL). |
| Sensor Size (Front) | 1/4" | 1/2.78" | ASUS ZenFone AR (ZS571KL) has better front camera sensor size than Fairphone 4. |
| Sensor Name (Front) | Omnivision OV8856 sensor | Sony Exmor RS IMX576 sensor | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone AR (ZS571KL) has better front lens aperture than ASUS ZenFone AR (ZS571KL). |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | Miniature, HDR, Depth of field | HDR | |
| 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 | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | PixelMaster 3.0 camera, Time Rewind, Smart Remove | Up to 8x digital zoom, digital image stabilisation, ToF sensor, colour sensor |
| BATTERY AND CHARGING | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 3905 mAh | Fairphone 4 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 | - | 200 hours | |
| Talk Time | - | 780 minutes | |
| Run Time Details | - | Talk: up to 780 min Standby: up to 200 hrs |
|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Fairphone 4 has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | Android 11 | |
| User Interface | ASUS ZenUI 3.0 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, GNSS |
| COMMUNICATIONS | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi, 5G NR | |
|---|---|---|---|
| 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 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 800, 900 | 2100, 1900, 1700, 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 18, Band 19, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 71 | |
| 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 600 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n71, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD 600, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 LE | |
| Bluetooth Profiles | OPP, PAN, A2DP, AVRCP, HID | - | |
| NFC | - | Yes | Fairphone 4 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, AIFF, MP3, FLAC, AAC +, eAAC+, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD | |
|---|---|---|---|
| Supported Digital Video Standards | - | XviD, DivX, MPEG-2, H.264, H.263, HEVC, VP9 | |
| Sound Enhancements | DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio | - |
| FEATURES | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Phone Functions | 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, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (side) | |
| 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 | MIMO technology, modular and repairable design, recycled and fair materials |
| OTHERS | ASUS ZenFone AR (ZS571KL) | Fairphone 4 |
|---|
| Included Accessories | Power adapter, USB-C cable | - | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP54 |
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