ASUS ZenFone AR (ZS571KL) vs. Xiaomi Redmi 9

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone AR (ZS571KL) and Xiaomi Redmi 9. 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.

Phone Specifications Comparison

ASUS ZenFone AR (ZS571KL) vs. Xiaomi Redmi 9 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
Product Type Smartphone Smartphone
Manufacturer Model Number ZS571KL -
Form Factor Touch Touch
Height 158.67 mm 163.32 mm Xiaomi Redmi 9 has greater height than ASUS ZenFone AR (ZS571KL).
Width 77.4 mm 77.01 mm ASUS ZenFone AR (ZS571KL) has greater width than Xiaomi Redmi 9.
Depth 7.99 mm 9.1 mm ASUS ZenFone AR (ZS571KL) is narrower than ASUS ZenFone AR (ZS571KL).
Weight 185 g 198 g ASUS ZenFone AR (ZS571KL) is lighter than ASUS ZenFone AR (ZS571KL).
Body Colour Black Carbon grey
Waterproof (Water-resistant) - -
SAR Value 1.59 W/kg (body), 0.85 W/kg (head) 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb)
Integrated Components FM radio Ultra-linear speaker
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
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 Redmi 9
Display Type OLED display -
Display Technology Quad HD Super AMOLED -
Screen Size (Display Size) 5.7" 6.53" Xiaomi Redmi 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 Redmi 9.
Display Format QHD Full HD+
Pixel Density - 394 ppi
Aspect Ratio - 19.5:9
Max Brightness - 400 cd/m²
Contrast Ratio - 1500:1
Display Enhancement Technology Bluelight Filter for Eye Care Sunlight mode
Display Features ASUS Glove Touch technology, ASUS Tru2Life Colour temperature adjustment, Dot Drop display, Reading mode 2.0
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
Processor Type (CPU) Qualcomm Snapdragon 821 MediaTek Helio G80
Processor Number MSM8996 Pro -
Clock Speed 2.35 GHz 2 GHz ASUS ZenFone AR (ZS571KL) has higher clock speed than Xiaomi Redmi 9.
Processor Core Qty Quad-core 8-core Xiaomi Redmi 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 Mali-G52 MC2
MEMORY ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
RAM LPDDR4 SDRAM - 6 GB LPDDR4X SDRAM - 4 GB ASUS ZenFone AR (ZS571KL) has more RAM than Xiaomi Redmi 9.
Internal Memory Size (Storage Capacity) 128 GB 64 GB ASUS ZenFone AR (ZS571KL) has more internal memory than Xiaomi Redmi 9.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSD
CAMERA ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 23 Megapixel 13 Megapixel ASUS ZenFone AR (ZS571KL) has better camera resolution than Xiaomi Redmi 9.
Sensor Size 1/2.6" -
Sensor Name Sony Exmor RS IMX318 sensor -
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/2.2 ASUS ZenFone AR (ZS571KL) has better lens aperture than ASUS ZenFone AR (ZS571KL).
Lens Construction 6-element -
Field of View (FoV) - 75.2 degree(s)
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, Kaleidoscope
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 Portrait mode
Light Source Dual LED flash 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) at 30 fps, 1280 x 720 (720p) 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
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 118 degree(s)
Camera Features (2nd Camera) Motion Tracking Rear Camera -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
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.
Field of View (Front) - 77.8 degree(s)
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 Portrait mode
Light Source (Front) Display flash Display flash
Camera Features (Front) PixelMaster 3.0 camera, Time Rewind, Smart Remove Self-timer, Palm shutter
BATTERY AND CHARGING ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
Battery Capacity (Battery Size) 3300 mAh 5020 mAh Xiaomi Redmi 9 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.
Talk Time - 1860 minutes
Run Time Details - Talk: up to 1860 min
Continuous navigation: up to 19 hrs
Playback (video): up to 19 hrs
Playback (Music): up to 185 hrs
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
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 ASUS ZenUI 3.0 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, 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 20, Band 28, Band 38, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles OPP, PAN, A2DP, AVRCP, HID -
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
Supported Digital Audio Standards - AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB
Supported Digital Video Standards - MKV, H.264, ASP, MP4
Sound Enhancements DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio -
FEATURES ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 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, distance sensor, infrared (IR) sensor
Security Devices Fingerprint reader Face recognition, 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 Fast Charging, AI face unlock
OTHERS ASUS ZenFone AR (ZS571KL) Xiaomi Redmi 9
Included Accessories Power adapter, USB-C cable SIM card removal tool, USB-C cable, TPU case, 10W charger
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