Detailed comparison and review of CAT S31 and Sonim XP8. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | CAT S31 | Sonim XP8 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch - Rugged | |
| Height | 146 mm | 152 mm | Sonim XP8 has greater height than CAT S31. |
| Width | 74.42 mm | 79.5 mm | Sonim XP8 has greater width than CAT S31. |
| Depth | 12.6 mm | 18 mm | CAT S31 is narrower than CAT S31. |
| Weight | 200 g | 335 g | CAT S31 is lighter than CAT S31. |
| Protection | Shockproof, dustproof, waterproof | Shockproof, dustproof, splashproof, waterproof | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IP68, IP69 | |
| SAR Value | 1.649 W/kg (body), 0.799 W/kg (head) | 1.39 W/kg (body), 0.6 W/kg (head) | |
| Integrated Components | - | FM radio, LED flashlight | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Sonim SecureAudio connector USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S31 | Sonim XP8 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 4.7" | 5" | Sonim XP8 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1920 x 1080 pixels | Sonim XP8 has better screen resolution than CAT S31. |
| Display Format | HD | Full HD | |
| Colour Depth | - | 16.7 million colours | |
| Display Enhancement Technology | Super Bright Display | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | CAT S31 | Sonim XP8 |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 630 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | - | 2.2 GHz | |
| Processor Core Qty | Quad-core | 8-core | Sonim XP8 has higher processor core quantity than CAT S31. |
| MEMORY | CAT S31 | Sonim XP8 |
|---|
| RAM | 2 GB | 4 GB | Sonim XP8 has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Sonim XP8 has more internal memory than CAT S31. |
| User Memory | - | 45 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSD, microSDXC - up to 128 GB |
| CAMERA | CAT S31 | Sonim XP8 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 12 Megapixel | Sonim XP8 has better camera resolution than CAT S31. |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | LED light | |
| Video Resolutions | 1280 x 720 (720p) at 120 fps | - | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 8 Megapixel | Sonim XP8 has better front camera resolution than CAT S31. |
| Focus Adjustment | Focus free | Focus free |
| BATTERY AND CHARGING | CAT S31 | Sonim XP8 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4900 mAh | Sonim XP8 has larger battery capacity than CAT S31. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0 | Sonim XP8 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 Ion | Lithium Ion |
| CELLULAR | CAT S31 | Sonim XP8 |
|---|
| 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 8.0 Oreo | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | CAT S31 | Sonim XP8 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | LTE, VoLTE, VoWiFi | |
|---|---|---|---|
| 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 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 20, Band 25, Band 26, Band 27, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 800 DD, FDD 1900+, FDD 850+, FDD 800 SMR, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Sonim XP8 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | CAT S31 | Sonim XP8 |
|---|
| Supported Digital Audio Standards | - | AAC, MP3, AAC +, AMR-WB, AMR-NB, AAC+ v2 | |
|---|---|---|---|
| Supported Digital Video Standards | - | AVI, MOV, MPEG-4, WMV, MPEG-2, H.264, H.263, H.265, 3GPP, MP4 |
| FEATURES | CAT S31 | Sonim XP8 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor, gesture | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | Push-to-talk mode, Wi-Fi Miracast, MIMO technology, Wi-Fi Calling, Glove and Wet Touchscreen Operation, Three microphones with noise-cancellation, Dual Front Speaker, SOS Red Alert, XPand Interface, PTT button | |
| Android Enterprise Recommended | Yes | Yes |
| OTHERS | CAT S31 | Sonim XP8 |
|---|
| Included Accessories | Power adapter | Power adapter, USB-C cable | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | MIL-STD 810G, IP68, HAC (Hearing Aid Compatible), IP69, ATEX/IECEx Zone 2 | |
| 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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