Detailed comparison and review of CAT S31 and Fairphone 5. 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 | Fairphone 5 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 161.6 mm | Fairphone 5 has greater height than CAT S31. |
| Width | 74.42 mm | 75.83 mm | Fairphone 5 has greater width than CAT S31. |
| Depth | 12.6 mm | 9.6 mm | Fairphone 5 is narrower than CAT S31. |
| Weight | 200 g | 212 g | CAT S31 is lighter than CAT S31. |
| Body Colour | - | Sky blue | Transparent | Matte black | |
| Body Material | - | 100% post-consumer recycled plastic | |
| Protection | Shockproof, dustproof, waterproof | Splash-resistant, dust-resistant, shock-resistant | |
| Waterproof (Water-resistant) | Yes | - | CAT S31 is waterproof. |
| IP rating | IP68 | IP55 | |
| SAR Value | 1.649 W/kg (body), 0.799 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 | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S31 | Fairphone 5 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | OLED | |
| Screen Size (Display Size) | 4.7" | 6.46" | Fairphone 5 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2700 x 1224 pixels | Fairphone 5 has better screen resolution than CAT S31. |
| Display Format | HD | Full HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 880 cd/m² | |
| Colour Depth | - | 1.07 billion colours | |
| Contrast Ratio | - | 1000000:1 | |
| Display Enhancement Technology | Super Bright Display | - | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 300 Hz | |
| Display Features | - | Wide colour display (P3), Adaptive Tone, Pixelworks technology | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | CAT S31 | Fairphone 5 |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm | |
|---|---|---|---|
| Processor Number | MSM8909 | QCM6490 | |
| Clock Speed | - | 2.7 GHz | |
| Processor Core Qty | Quad-core | 8-core | Fairphone 5 has higher processor core quantity than CAT S31. |
| Graphics System (GPU) | - | Qualcomm ADRENO 643 |
| MEMORY | CAT S31 | Fairphone 5 |
|---|
| RAM | 2 GB | 8 GB | Fairphone 5 has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | Fairphone 5 has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | CAT S31 | Fairphone 5 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 50 Megapixel | Fairphone 5 has better camera resolution than CAT S31. |
| Sensor Size | - | 1/1.49" | |
| Sensor Name | - | Sony IMX800 sensor | |
| Lens Aperture | - | F/1.88 | |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Fairphone 5 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 10 cm | |
| Focal Length Equivalent to 35mm Camera | - | 26mm | |
| Digital Zoom | - | 8x | |
| Camera Modes | - | Panorama, Slow motion mode, Pro mode, Portrait, Super Night mode, Stop-Motion Video Mode, High-Pixel Mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | 4-in-1 pixel binning, OIS+EIS dual stabilisation |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 50 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.51" | |
| Sensor Name (2nd Camera) | - | Sony IMX858 Sensor | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Lens Element Qty (2nd Camera) | - | 6-element | |
| Pixel Size (2nd Camera) | - | 0.7 μm | |
| Focal Length Equivalent to 35mm Camera | - | 13mm | |
| Camera Functions (2nd Camera) | - | Autofocus | |
| Camera Modes (2nd Camera) | - | Macro mode | |
| Camera Features (2nd Camera) | - | Electronic Image Stabiliser (EIS), 2.5cm macro photography, 4-in-1 pixel binning |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 50 Megapixel | Fairphone 5 has better front camera resolution than CAT S31. |
| Sensor Size (Front) | - | 1/2.76" | |
| Sensor Name (Front) | - | Samsung JN1 | |
| Lens Aperture (Front) | - | F/2.45 | |
| Pixel Size (Front) | - | 0.64 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Focal Length Equivalent to 35mm Camera | - | 22mm | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Electronic Image Stabiliser (EIS), 4-in-1 Pixel technology, up to 1.5x digital zoom |
| BATTERY AND CHARGING | CAT S31 | Fairphone 5 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4200 mAh | Fairphone 5 has larger battery capacity than CAT S31. |
|---|---|---|---|
| Standby Time | 912 hours | 459 hours | CAT S31 has longer standby time than Fairphone 5. |
| Talk Time | 1800 minutes | 2280 minutes | Fairphone 5 has longer battery life when making calls than CAT S31. |
| Run Time Details | Talk: up to 1800 min Standby: up to 912 hrs |
Talk: up to 2280 min Standby: up to 459 hrs Continuous browsing: up to 18 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | CAT S31 | Fairphone 5 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Fairphone 5 has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | Android 13 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | CAT S31 | Fairphone 5 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | LTE, 5G NR, HSDPA+ | |
|---|---|---|---|
| 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 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 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42, Band 48, Band 66, Band 71 | |
| 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 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n71, n77, n78, n48 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | Wi-Fi 6E | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.2 LE | |
| NFC | - | Yes | Fairphone 5 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | CAT S31 | Fairphone 5 |
|---|
| Supported Digital Audio Standards | - | AAC, apt-X, LDAC, SBC, apt-X HD |
|---|
| FEATURES | CAT S31 | Fairphone 5 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, proximity sensor, magnetometer, Time of Flight (ToF), light sensor, gyroscope, compass | |
| Security Devices | - | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | OTG Reverse Charge, modular and repairable design, recycled and fair materials, DisplayPort over USB Type-C, 8 years of software upgrades | |
| Android Enterprise Recommended | Yes | Yes |
| OTHERS | CAT S31 | Fairphone 5 |
|---|
| Included Accessories | Power adapter | - | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | IP55, MIL-STD-810H, ICE 60058-2-31 | |
| Product Recycled Content | - | 70 % - fair focus or recycled materials | |
| Max Depth of Water Resistance | 1.2 m | - | |
| Max Height of Shock Resistance | 1.8 m | 1.8 m | |
| Max Operating Temperature | 55 °C | - | |
| Min Operating Temperature | -30 °C | - |
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