In depth comparison and review of ASUS ZenFone 2 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 2 | CAT S31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 152.5 mm | 146 mm | ASUS ZenFone 2 has greater height than CAT S31. |
| Width | 77.2 mm | 74.42 mm | ASUS ZenFone 2 has greater width than CAT S31. |
| Depth | 10.9 mm | 12.6 mm | ASUS ZenFone 2 is narrower than ASUS ZenFone 2. |
| Weight | 170 g | 200 g | ASUS ZenFone 2 is lighter than ASUS ZenFone 2. |
| Body Colour | Osmium Black | - | |
| Protection | - | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | CAT S31 is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 0.87 W/kg (body), 0.92 W/kg (head) | 1.649 W/kg (body), 0.799 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | ASUS ZenFone 2 | CAT S31 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.5" | 4.7" | ASUS ZenFone 2 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | ASUS ZenFone 2 has better screen resolution than CAT S31. |
| Display Format | Full HD | HD | |
| Pixel Density | 400 ppi | - | |
| Display Enhancement Technology | - | Super Bright Display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone 2 | CAT S31 |
|---|
| Processor Type (CPU) | Intel Atom | Qualcomm | |
|---|---|---|---|
| Processor Number | Z3580 | MSM8909 | |
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 2 has 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | - |
| MEMORY | ASUS ZenFone 2 | CAT S31 |
|---|
| RAM | 4 GB | 2 GB | ASUS ZenFone 2 has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | ASUS ZenFone 2 has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 64 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | ASUS ZenFone 2 | CAT S31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 8 Megapixel | ASUS ZenFone 2 has better camera resolution than CAT S31. |
| Lens Aperture | F/2.0 | - | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Super HDR | - | |
| Camera Modes | Panoramic pictures, night mode, wide selfie mode, Beauty mode | - | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Zero Shutter Lag, Blue Glass Infrared Filter, By Pixel Super Resolution technology | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 2 Megapixel | ASUS ZenFone 2 has better front camera resolution than CAT S31. |
| Focus Adjustment | Automatic | Focus free |
| BATTERY AND CHARGING | ASUS ZenFone 2 | CAT S31 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | CAT S31 has larger battery capacity than ASUS ZenFone 2. |
|---|---|---|---|
| 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 2 | 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 5.0 (Lollipop) | Android 7.0 Nougat | |
| User Interface | ASUS ZenUI | - | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 2 | CAT S31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-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 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20 | 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, FDD 800 DD | 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 4.0 | Bluetooth 4.1 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | - | ASUS ZenFone 2 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| FEATURES | ASUS ZenFone 2 | 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Additional Phone Features | Kids Mode, Glove Touchscreen Operation, ASUS BoostMaster technology | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | ASUS ZenFone 2 | CAT S31 |
|---|
| Included Accessories | Headset, power adapter | 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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