In depth comparison and review of ASUS ZenFone 5Z (ZS620KL) and CAT S31. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
DESIGN AND DIMENSIONS | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZS620KL | - | |
Form Factor | Touch | Touch - Rugged | |
Height | 153 mm | 146 mm | ASUS ZenFone 5Z (ZS620KL) has greater height than CAT S31. |
Width | 75.65 mm | 74.42 mm | ASUS ZenFone 5Z (ZS620KL) has greater width than CAT S31. |
Depth | 7.7 mm | 12.6 mm | ASUS ZenFone 5Z (ZS620KL) is narrower than ASUS ZenFone 5Z (ZS620KL). |
Weight | 155 g | 200 g | ASUS ZenFone 5Z (ZS620KL) is lighter than ASUS ZenFone 5Z (ZS620KL). |
Body Colour | Midnight blue | Meteor silver | - | |
Body Material | Aluminium | - | |
Protection | - | Shockproof, dustproof, waterproof | |
Waterproof (Water-resistant) | - | Yes | CAT S31 is waterproof. |
IP rating | - | IP68 | |
SAR Value | - | 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 |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Display Type | LCD display | LCD display | |
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Display Technology | IPS+ | IPS | |
Screen Size (Display Size) | 6.2" | 4.7" | ASUS ZenFone 5Z (ZS620KL) has larger screen size than CAT S31. |
Screen Resolution (Display Resolution) | 2246 x 1080 pixels | 1280 x 720 pixels | ASUS ZenFone 5Z (ZS620KL) has better screen resolution than CAT S31. |
Display Format | - | HD | |
Pixel Density | 402 ppi | - | |
Aspect Ratio | 18:5:9 | - | |
Max Brightness | 550 cd/m² | - | |
Display Enhancement Technology | Bluelight Filter for Eye Care | Super Bright Display | |
Display Features | DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On | - | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | Corning Gorilla Glass 3 (scratch resistant glass) |
PROCESSOR | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Processor Type (CPU) | Qualcomm Snapdragon 845 | Qualcomm | |
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Processor Number | - | MSM8909 | |
Processor Core Qty | 8-core | Quad-core | ASUS ZenFone 5Z (ZS620KL) has higher processor core quantity than CAT S31. |
64-bit Architecture | Yes | - | ASUS ZenFone 5Z (ZS620KL) has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 630 | - |
MEMORY | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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RAM | LPDDR4X SDRAM - 4 GB | 2 GB | ASUS ZenFone 5Z (ZS620KL) has more RAM than CAT S31. |
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Internal Memory Size (Storage Capacity) | 64 GB | 16 GB | ASUS ZenFone 5Z (ZS620KL) 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 5Z (ZS620KL) | CAT S31 |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 1 | |
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Sensor Resolution | 12 Megapixel | 8 Megapixel | ASUS ZenFone 5Z (ZS620KL) has better camera resolution than CAT S31. |
Sensor Size | 1/2.55" | - | |
Sensor Name | Sony Exmor RS IMX363 sensor | - | |
Lens Aperture | F/1.8 | - | |
Lens Construction | 6-element | - | |
Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 5Z (ZS620KL) has optical stabilisation. |
Focus Adjustment | - | Automatic | |
Special Effects | Night HDR | - | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, Real-Time Beautification, Real-time Protrait, Time Lapse (with power saving mode) | - | |
Light Source | LED flash | LED flash | |
Video Resolutions | 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 | 1280 x 720 (720p) at 120 fps | |
Camera Features (Functions) | Dual Pixel technology, Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, RAW image capture, 4-axis optical image stabilisation, Instant cameras switching, Live Emoji, 8 filters, AI Photo Learning, 32s long exposure | - |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | - | |
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Lens Type (2nd Camera) | Wide-angle lens | - | |
Camera Features (2nd Camera) | 3-axis electronic image stabilisation | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 2 Megapixel | ASUS ZenFone 5Z (ZS620KL) has better front camera resolution than CAT S31. |
Lens Type (Front) | Wide-angle lens | - | |
Lens Aperture (Front) | F/2.0 | - | |
Focus Adjustment | - | Focus free | |
Special Effects (Front) | Night HDR | - | |
HDR Mode (Front) | Auto HDR mode | - | |
Camera Modes (Front) | Beauty mode, Auto mode, selfie panorama, GIF animation function | - | |
Camera Features (Front) | PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters | - |
BATTERY AND CHARGING | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Battery Capacity (Battery Size) | 3300 mAh | 4000 mAh | CAT S31 has larger battery capacity than ASUS ZenFone 5Z (ZS620KL). |
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Fast Charging Technology | BoostMaster Fast Charging | - | ASUS ZenFone 5Z (ZS620KL) 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 |
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Battery Technology | Lithium polymer | Lithium Ion |
CELLULAR | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 9.0 Pie | Android 7.0 Nougat | |
User Interface | ASUS ZenUI 5.0 | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
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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 8 | |
3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
4G LTE Band | - | 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 DD | |
Wireless Interface | IEEE 802.11ac | IEEE 802.11b/g/n | |
Bluetooth | Bluetooth 5.0 | Bluetooth 4.1 | |
Bluetooth Profiles | A2DP | - | |
NFC | Yes | - | ASUS ZenFone 5Z (ZS620KL) has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Sound Enhancements | ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X | - |
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FEATURES | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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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 | |
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Sensors | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
Security Devices | Face recognition, fingerprint reader | - | |
Additional Phone Features | Face Unlock, AudioWizard, NXP Smart AMP technology, ASUS Noise Reduction technology, Google Drive Storage (100 GB) (free for 1 year), Dual Smart AMP, Dual noise-cancelling microphones, AI Charging, AI Boost, ZeniMoji | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
Android Enterprise Recommended | - | Yes |
OTHERS | ASUS ZenFone 5Z (ZS620KL) | CAT S31 |
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Included Accessories | Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone | Power adapter | |
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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 |