ASUS ZenFone AR (ZS571KL) vs. Realme C31

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone AR (ZS571KL) and Realme C31. 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. Realme C31 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone AR (ZS571KL) Realme C31
Product Type Smartphone Smartphone
Manufacturer Model Number ZS571KL RMX3501
Form Factor Touch Touch
Height 158.67 mm 164.7 mm Realme C31 has greater height than ASUS ZenFone AR (ZS571KL).
Width 77.4 mm 76.1 mm ASUS ZenFone AR (ZS571KL) has greater width than Realme C31.
Depth 7.99 mm 8.4 mm ASUS ZenFone AR (ZS571KL) is narrower than ASUS ZenFone AR (ZS571KL).
Weight 185 g 197 g ASUS ZenFone AR (ZS571KL) is lighter than ASUS ZenFone AR (ZS571KL).
Body Colour Black Light silver | Dark green
Waterproof (Water-resistant) - -
SAR Value 1.59 W/kg (body), 0.85 W/kg (head) 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb)
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 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) Realme C31
Display Type OLED display -
Display Technology Quad HD Super AMOLED -
Screen Size (Display Size) 5.7" 6.5" Realme C31 has larger screen size than ASUS ZenFone AR (ZS571KL).
Screen Resolution (Display Resolution) 2560 x 1440 pixels 1600 x 720 pixels ASUS ZenFone AR (ZS571KL) has better screen resolution than Realme C31.
Display Format QHD HD+
Aspect Ratio - 20:9
Colour Depth - 16.7 million colours
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 120 Hz
Display Features ASUS Glove Touch technology, ASUS Tru2Life Ultra-clear View
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) -
PROCESSOR ASUS ZenFone AR (ZS571KL) Realme C31
Processor Type (CPU) Qualcomm Snapdragon 821 Unisoc
Processor Number MSM8996 Pro T612
Clock Speed 2.35 GHz 1.82 GHz ASUS ZenFone AR (ZS571KL) has higher clock speed than Realme C31.
Processor Core Qty Quad-core 8-core Realme C31 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 ARM Mali-G57
MEMORY ASUS ZenFone AR (ZS571KL) Realme C31
RAM LPDDR4 SDRAM - 6 GB LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension ASUS ZenFone AR (ZS571KL) has more RAM than Realme C31.
Internal Memory Size (Storage Capacity) 128 GB 64 GB ASUS ZenFone AR (ZS571KL) has more internal memory than Realme C31.
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA ASUS ZenFone AR (ZS571KL) Realme C31
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 23 Megapixel 13 Megapixel ASUS ZenFone AR (ZS571KL) has better camera resolution than Realme C31.
Sensor Size 1/2.6" -
Sensor Name Sony Exmor RS IMX318 sensor -
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 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, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro
Light Source Dual LED flash 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) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) 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 AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
Lens Aperture (2nd Camera) - F/2.4
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) Motion Tracking Rear Camera 4cm macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) - 0.3 Megapixel
Lens Aperture (3rd Camera) - F/2.8
Camera Functions (3rd Camera) - B&W lens
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 Realme C31.
Sensor Size (Front) 1/4" -
Sensor Name (Front) Omnivision OV8856 sensor -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone AR (ZS571KL) has better front lens aperture than ASUS ZenFone AR (ZS571KL).
Lens Element Qty (Front) - 3-element
Focus Adjustment 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 Beauty mode, Filter mode
Light Source (Front) Display flash -
Video Resolutions (Front) - 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
Camera Features (Front) PixelMaster 3.0 camera, Time Rewind, Smart Remove AI Selfie
BATTERY AND CHARGING ASUS ZenFone AR (ZS571KL) Realme C31
Battery Capacity (Battery Size) 3300 mAh 5000 mAh Realme C31 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.
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone AR (ZS571KL) Realme C31
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 Android 11
User Interface ASUS ZenUI 3.0 Realme UI (R Edition)
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone AR (ZS571KL) Realme C31
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSPA+, 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 6, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 800, 900 2100, 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 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 1800+, 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 Wi-Fi
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles OPP, PAN, A2DP, AVRCP, HID -
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone AR (ZS571KL) Realme C31
Sound Enhancements DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio -
FEATURES ASUS ZenFone AR (ZS571KL) Realme C31
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, proximity sensor, magnetometer, gyro sensor, light 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, Ultra Power Saving Mode, Fast Charging
OTHERS ASUS ZenFone AR (ZS571KL) Realme C31
Included Accessories Power adapter, USB-C cable SIM card removal tool, 10W charger, micro-USB cable
Compliant Standards - TUV Rheinland
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