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.
| 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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