Side by side comparison and review of ASUS ZenFone AR (ZS571KL) and CAT S31. 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) | CAT S31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS571KL | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 158.67 mm | 146 mm | ASUS ZenFone AR (ZS571KL) has greater height than CAT S31. |
| Width | 77.4 mm | 74.42 mm | ASUS ZenFone AR (ZS571KL) has greater width than CAT S31. |
| Depth | 7.99 mm | 12.6 mm | ASUS ZenFone AR (ZS571KL) is narrower than ASUS ZenFone AR (ZS571KL). |
| Weight | 185 g | 200 g | ASUS ZenFone AR (ZS571KL) is lighter than ASUS ZenFone AR (ZS571KL). |
| Body Colour | Black | - | |
| Protection | - | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | CAT S31 is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.59 W/kg (body), 0.85 W/kg (head) | 1.649 W/kg (body), 0.799 W/kg (head) | |
| 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) | CAT S31 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Quad HD Super AMOLED | IPS | |
| Screen Size (Display Size) | 5.7" | 4.7" | ASUS ZenFone AR (ZS571KL) has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 1280 x 720 pixels | ASUS ZenFone AR (ZS571KL) has better screen resolution than CAT S31. |
| Display Format | QHD | HD | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | Super Bright Display | |
| Display Features | ASUS Glove Touch technology, ASUS Tru2Life | - | |
| 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) | CAT S31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 821 | Qualcomm | |
|---|---|---|---|
| Processor Number | MSM8996 Pro | MSM8909 | |
| Clock Speed | 2.35 GHz | - | |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone AR (ZS571KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | - |
| MEMORY | ASUS ZenFone AR (ZS571KL) | CAT S31 |
|---|
| RAM | LPDDR4 SDRAM - 6 GB | 2 GB | ASUS ZenFone AR (ZS571KL) has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 16 GB | ASUS ZenFone AR (ZS571KL) has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | ASUS ZenFone AR (ZS571KL) | CAT S31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 8 Megapixel | ASUS ZenFone AR (ZS571KL) has better camera resolution than CAT S31. |
| Sensor Size | 1/2.6" | - | |
| Sensor Name | Sony Exmor RS IMX318 sensor | - | |
| Lens Aperture | F/2.0 | - | |
| Lens Construction | 6-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 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 | - | |
| 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 | 1280 x 720 (720p) at 120 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 |
|---|
| Camera Features (2nd Camera) | Motion Tracking Rear Camera | - |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 2 Megapixel | ASUS ZenFone AR (ZS571KL) has better front camera resolution than CAT S31. |
| Sensor Size (Front) | 1/4" | - | |
| Sensor Name (Front) | Omnivision OV8856 sensor | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | - | |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | Miniature, HDR, Depth of field | - | |
| 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 | - | |
| Camera Features (Front) | PixelMaster 3.0 camera, Time Rewind, Smart Remove | - |
| BATTERY AND CHARGING | ASUS ZenFone AR (ZS571KL) | CAT S31 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 4000 mAh | CAT S31 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 | - | 912 hours | |
| Talk Time | - | 1800 minutes | |
| Run Time Details | - | Talk: up to 1800 min Standby: up to 912 hrs |
|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | ASUS ZenFone AR (ZS571KL) | CAT S31 |
|---|
| 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 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) | CAT S31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 800, 900 | 2100, 1900, 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 5, Band 7, Band 8, Band 20 | |
| 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 850, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.1 | |
| Bluetooth Profiles | OPP, PAN, A2DP, AVRCP, HID | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone AR (ZS571KL) | CAT S31 |
|---|
| Sound Enhancements | DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio | - |
|---|
| FEATURES | ASUS ZenFone AR (ZS571KL) | CAT S31 |
|---|
| 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, proximity sensor, digital compass | |
| Security Devices | 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 | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | ASUS ZenFone AR (ZS571KL) | CAT S31 |
|---|
| Included Accessories | Power adapter, USB-C cable | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP68 | |
| Max Depth of Water Resistance | - | 1.2 m | |
| Max Height of Shock Resistance | - | 1.8 m | |
| Max Operating Temperature | - | 55 °C | |
| Min Operating Temperature | - | -30 °C |
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