In depth comparison and review of DORO 8040 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 | DORO 8040 | CAT S31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 148.6 mm | 146 mm | DORO 8040 has greater height than CAT S31. |
| Width | 70.1 mm | 74.42 mm | CAT S31 has greater width than DORO 8040. |
| Depth | 9.48 mm | 12.6 mm | DORO 8040 is narrower than DORO 8040. |
| Weight | 165 g | 200 g | DORO 8040 is lighter than DORO 8040. |
| Body Colour | Black | - | |
| Protection | - | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | CAT S31 is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.19 W/kg (body), 0.57 W/kg (head) | 1.649 W/kg (body), 0.799 W/kg (head) | |
| Integrated Components | FM radio, LED flashlight | - | |
| Connector Type | 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 | Single-SIM | Dual-SIM |
| DISPLAY | DORO 8040 | CAT S31 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 5" | 4.7" | DORO 8040 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1280 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD | HD | |
| Display Enhancement Technology | - | Super Bright Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | DORO 8040 | CAT S31 |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm | |
|---|---|---|---|
| Processor Number | MT6738 | MSM8909 | |
| Processor Core Qty | - | Quad-core |
| MEMORY | DORO 8040 | CAT S31 |
|---|
| RAM | - | 2 GB | |
|---|---|---|---|
| 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 32 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | DORO 8040 | 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 | 176 x 144 (QCIF), 1920 x 1080 (1080p), 1280 x 720 (720p) | 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 | DORO 8040 | CAT S31 |
|---|
| Battery Capacity (Battery Size) | 2920 mAh | 4000 mAh | CAT S31 has larger battery capacity than DORO 8040. |
|---|---|---|---|
| Standby Time | 550 hours | 912 hours | CAT S31 has longer standby time than DORO 8040. |
| Talk Time | 1680 minutes | 1800 minutes | CAT S31 has longer battery life when making calls than DORO 8040. |
| Run Time Details | Talk: up to 1680 min Standby: up to 550 hrs |
Talk: up to 1800 min Standby: up to 912 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | DORO 8040 | 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 | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | DORO 8040 | 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 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 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 | Wi-Fi | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| FEATURES | DORO 8040 | 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 | Digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Additional Phone Features | SOS button, HD Voice, ICE (In Case of Emergency) function, Alarm Clock, SOS SMS, Weather forecast, My Doro Manager | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | DORO 8040 | CAT S31 |
|---|
| Included Accessories | Charging stand, headset, USB cable | Power adapter | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | 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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