In depth comparison and review of CAT S40 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 | CAT S40 | CAT S31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch - Rugged | |
| Height | 144.9 mm | 146 mm | CAT S31 has greater height than CAT S40. |
| Width | 74.1 mm | 74.42 mm | CAT S31 has greater width than CAT S40. |
| Depth | 12.5 mm | 12.6 mm | CAT S40 is narrower than CAT S40. |
| Weight | 185 g | 200 g | CAT S40 is lighter than CAT S40. |
| Body Colour | Black | - | |
| Protection | Shockproof, dustproof, waterproof | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IP68 | |
| SAR Value | 0.429 W/kg (body), 0.609 W/kg (head) | 1.649 W/kg (body), 0.799 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
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 | Dual-SIM |
| DISPLAY | CAT S40 | CAT S31 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 4.7" | 4.7" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 1280 x 720 pixels | CAT S31 has better screen resolution than CAT S40. |
| Display Format | - | HD | |
| Display Enhancement Technology | - | Super Bright Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | CAT S40 | CAT S31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | Qualcomm | |
|---|---|---|---|
| Processor Number | MSM8909 | MSM8909 | |
| Clock Speed | 1.1 GHz | - | |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| MEMORY | CAT S40 | CAT S31 |
|---|
| RAM | 1 GB | 2 GB | CAT S31 has more RAM than CAT S40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 64 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | CAT S40 | CAT S31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 8 Megapixel | Both phones have the same camera resolution. |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1280 x 720 (720p) at 120 fps |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 2 Megapixel | Both phones have the same front camera resolution. |
| Focus Adjustment | - | Focus free |
| BATTERY AND CHARGING | CAT S40 | CAT S31 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | CAT S31 has larger battery capacity than CAT S40. |
|---|---|---|---|
| Standby Time | 936 hours | 912 hours | CAT S40 has longer standby time than CAT S31. |
| Talk Time | 1080 minutes | 1800 minutes | CAT S31 has longer battery life when making calls than CAT S40. |
| Run Time Details | Talk: up to 1080 min Standby: up to 936 hrs |
Talk: up to 1800 min Standby: up to 912 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | CAT S40 | 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 5.1 (Lollipop) | Android 7.0 Nougat | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | CAT S40 | CAT S31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 3, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, 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 | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
| NFC | Yes | - | CAT S40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S40 | CAT S31 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, AAC +, OGG, eAAC+, MKA, MIDI | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, VP8, VP9, H.265 | - |
| FEATURES | CAT S40 | CAT S31 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Additional Phone Features | TTY compatible, E-911 compliant, Face Unlock, Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | CAT S40 | CAT S31 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | 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 | 55 °C | |
| Min Operating Temperature | -25 °C | -30 °C |
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