Side by side comparison and review of CAT S31 and Fairphone 3+. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | CAT S31 | Fairphone 3+ |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 158 mm | Fairphone 3+ has greater height than CAT S31. |
| Width | 74.42 mm | 71.8 mm | CAT S31 has greater width than Fairphone 3+. |
| Depth | 12.6 mm | 9.83 mm | Fairphone 3+ is narrower than CAT S31. |
| Weight | 200 g | 189 g | Fairphone 3+ is lighter than CAT S31. |
| Body Colour | - | Black | |
| 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) | 1.405 W/kg (body), 0.411 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S31 | Fairphone 3+ |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 4.7" | 5.65" | Fairphone 3+ has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2160 x 1080 pixels | Fairphone 3+ has better screen resolution than CAT S31. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 427 ppi | |
| Aspect Ratio | - | 18:9 | |
| 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 5 (scratch resistant glass) |
| PROCESSOR | CAT S31 | Fairphone 3+ |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 632 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | - | 1.8 GHz | |
| Processor Core Qty | Quad-core | 8-core | Fairphone 3+ has higher processor core quantity than CAT S31. |
| 64-bit Architecture | - | Yes | Fairphone 3+ has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 506 |
| MEMORY | CAT S31 | Fairphone 3+ |
|---|
| RAM | 2 GB | 4 GB | Fairphone 3+ has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Fairphone 3+ has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 400 GB |
| CAMERA | CAT S31 | Fairphone 3+ |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Fairphone 3+ has better camera resolution than CAT S31. |
| Sensor Size | - | 1/2.55" | |
| Sensor Name | - | Samsung S5KGM1SP03-FGX9 | |
| Lens Aperture | - | F/1.79 | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | - | HDR | |
| Light Source | LED flash | Dual LED flash | |
| Still Image Resolutions | - | 4000 x 3000, 8000 x 6000 | |
| Video Resolutions | 1280 x 720 (720p) at 120 fps | 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1920 x 1080 (1080p) at 120 fps | |
| Camera Features (Functions) | - | Dual Phase Detect Auto-Focus (PDAF), 12MP output using quad pixel technology, digital image stabilisation |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 16 Megapixel | Fairphone 3+ has better front camera resolution than CAT S31. |
| Sensor Size (Front) | - | 1/3.1" | |
| Lens Aperture (Front) | - | F/2.0 | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR | |
| Camera Features (Front) | - | Up to 8x digital zoom, digital image stabilisation |
| BATTERY AND CHARGING | CAT S31 | Fairphone 3+ |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 3040 mAh | CAT S31 has larger battery capacity than Fairphone 3+. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.5 hour(s) | |
| Standby Time | 912 hours | 300 hours | CAT S31 has longer standby time than Fairphone 3+. |
| Talk Time | 1800 minutes | 1200 minutes | CAT S31 has longer battery life when making calls than Fairphone 3+. |
| Run Time Details | Talk: up to 1800 min Standby: up to 912 hrs |
Talk: up to 1200 min Standby: up to 300 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | CAT S31 | Fairphone 3+ |
|---|
| 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 10 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | CAT S31 | Fairphone 3+ |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 | - | |
| 3G UMTS Frequency | 2100, 1900, 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 13, Band 20, Band 26 | |
| 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 700c, FDD 800 DD, FDD 850+ | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| NFC | - | Yes | Fairphone 3+ has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S31 | Fairphone 3+ |
|---|
| Supported Digital Audio Standards | - | AAC, AIFF, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), WMA v10, WMA v9, WMA Lossless 9, WMA 10 Pro, ALAC, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | - | VC-1, MPEG-4, DivX, MPEG-2, H.264, H.263, HEVC, VP8, VP9 |
| FEATURES | CAT S31 | Fairphone 3+ |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | MIMO technology, modular and repairable design, recycled and fair materials | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | Fairphone 3+ |
|---|
| Included Accessories | Power adapter | Mini screwdriver | |
|---|---|---|---|
| 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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