ASUS ZenFone AR (ZS571KL) vs. Xiaomi MI 9

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone AR (ZS571KL) and Xiaomi MI 9. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

ASUS ZenFone AR (ZS571KL) vs. Xiaomi MI 9 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
Product Type Smartphone Smartphone
Manufacturer Model Number ZS571KL -
Form Factor Touch Touch
Height 158.67 mm 157.5 mm ASUS ZenFone AR (ZS571KL) has greater height than Xiaomi MI 9.
Width 77.4 mm 74.67 mm ASUS ZenFone AR (ZS571KL) has greater width than Xiaomi MI 9.
Depth 7.99 mm 7.61 mm Xiaomi MI 9 is narrower than ASUS ZenFone AR (ZS571KL).
Weight 185 g 173 g Xiaomi MI 9 is lighter than ASUS ZenFone AR (ZS571KL).
Body Colour Black Ocean blue | Piano black
Body Material - Curved glass
Waterproof (Water-resistant) - -
SAR Value 1.59 W/kg (body), 0.85 W/kg (head) 1.301 W/kg (body), 1.389 W/kg (head)
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
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) Xiaomi MI 9
Display Type OLED display OLED display
Display Technology Quad HD Super AMOLED AMOLED
Screen Size (Display Size) 5.7" 6.39" Xiaomi MI 9 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 Xiaomi MI 9.
Display Format QHD Full HD+
Pixel Density - 403 ppi
Max Brightness - 600 cd/m²
Contrast Ratio - 60000:1
HDR - Yes Xiaomi MI 9 has HDR.
HDR Technology - HDR10
Display Enhancement Technology Bluelight Filter for Eye Care Sunshine mode 2.0
Display Features ASUS Glove Touch technology, ASUS Tru2Life Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG)
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating
PROCESSOR ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
Processor Type (CPU) Qualcomm Snapdragon 821 Qualcomm Snapdragon 855
Processor Number MSM8996 Pro -
Clock Speed 2.35 GHz 2.84 GHz Xiaomi MI 9 has higher clock speed than ASUS ZenFone AR (ZS571KL).
Processor Core Qty Quad-core 8-core Xiaomi MI 9 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 530 Qualcomm ADRENO 640
MEMORY ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
RAM LPDDR4 SDRAM - 6 GB LPDDR4X SDRAM - 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 64 GB ASUS ZenFone AR (ZS571KL) has more internal memory than Xiaomi MI 9.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 23 Megapixel 48 Megapixel Xiaomi MI 9 has better camera resolution than ASUS ZenFone AR (ZS571KL).
Sensor Size 1/2.6" -
Sensor Name Sony Exmor RS IMX318 sensor Sony Exmor RS IMX586 sensor
Lens Type - Ultra wide-angle lens
Lens Aperture F/2.0 F/1.75 Xiaomi MI 9 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) - ASUS ZenFone AR (ZS571KL) has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes Yes
Minimum Focal Length (Focal Distance) 27 mm -
Optical Zoom - 2x
Digital Zoom - 10x
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, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode
Face Recognition (Face ID) - Face recognition Xiaomi MI 9 has face detection.
Light Source Dual LED flash Dual 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, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 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 Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Telephoto lens
Lens Aperture (2nd Camera) - F/2.2
Pixel Size (2nd Camera) - 1 μm
Camera Features (2nd Camera) Motion Tracking Rear Camera Macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) - 16 Megapixel
Lens Type (3rd Camera) - Ultra wide-angle lens
Lens Aperture (3rd Camera) - F/2.2
Pixel Size (3rd Camera) - 1 μm
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 20 Megapixel Xiaomi MI 9 has better front camera resolution than ASUS ZenFone AR (ZS571KL).
Sensor Size (Front) 1/4" -
Sensor Name (Front) Omnivision OV8856 sensor -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Pixel Size (Front) - 0.9 μm
Focus Adjustment Focus free -
Special Effects (Front) Miniature, HDR, Depth of field HDR, Magic mirror
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 AI portrait mode, AI Beautify, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI 9 has face detection.
Light Source (Front) Display flash -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) PixelMaster 3.0 camera, Time Rewind, Smart Remove Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare
BATTERY AND CHARGING ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
Battery Capacity (Battery Size) 3300 mAh 3300 mAh Both phones have the same battery capacity.
Fast Charging Technology Qualcomm Quick Charge 3.0, Power Delivery 2.0, BoostMaster Fast Charging Qualcomm Quick Charge 4.0+ Both phones have fast charging technology.
Wireless Charging Standards - WPC, Qi
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
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 10
Intelligent Assistant - Google Assistant
Payment Technology - Android Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, 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 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 20, Band 28, Band 38, Band 39, Band 40
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 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles OPP, PAN, A2DP, AVRCP, HID -
NFC - Yes Xiaomi MI 9 has NFC reader for mobile payments.
WLAN Security - WPA3
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
Supported Digital Audio Standards - WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD
Supported Digital Video Standards - MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9
Sound Enhancements DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio Qualcomm TrueWireless Stereo Plus
FEATURES ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
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, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
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, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo
OTHERS ASUS ZenFone AR (ZS571KL) Xiaomi MI 9
Included Accessories Power adapter, USB-C cable Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger
Compliant Standards - TUV Rheinland Certified Safe Fast-Charge System
Other projects: