Kyocera DuraForce Pro vs CAT S31
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | IP68 |
| Dimensions | 148.40 x 73.40 x 12.90 mm | 146.00 x 74.42 x 12.60 mm |
| Weight | 229.60 g | 200.00 g |
| Display size | 5.00" | 4.70" |
| Display | Color / IPS TFT 16M colors 1080 x 1920 px (5.00") 441 ppi | Color / IPS TFT 16M colors 720 x 1280 px (4.70") 312 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display |  | |
| Protection of the secondary display | | |
| Talk time (max.) | 3G: 1200 min. (20.0 h) | 2G: 1080 min. (18.0 h) |
| Stand-by (max.) | 3G: 456 h. (19.0 days) | 2G: 936 h. (39.0 days) |
| Playback time (max.) | Audio: 62 h (2.6 days) | nd |
| Standard battery | Li-Ion 3240 mAhBuy powerbank
| Li-Ion 4000 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 2.0 | |
| Wireless battery charging | PMA & Qi | |
| Internal memory | 32 GB | 16 GB |
| RAM memory | 3 GB | 2 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | Android 6.0 Marshmallow | Android 7.0 Nougat |
| Processor | Qualcomm Snapdragon 617 8952 | Qualcomm Snapdragon 210 MSM8909 |
| Processor clock | 1500 MHz | 1300 MHz |
| GPU | Adreno 405 | Adreno 304 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | SingleSIM(nanoSIM) | SingleSIM(nanoSIM) |
| Announced | 3Q 2016 | 3Q 2017 |
| Other names | Dura Force Pro | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 1900, 1700, 800, 750 | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 13 Mpx | 8 Mpx |
| Resolution | 4224x3168 px |  |
| Optical zoom | | |
| Digital zoom | 4x | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | 1280x720 px |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, f/2.0 | AF |
| Second camera | | |
| Photo matrix | 2 Mpx | nd |
| Resolution | 1600x1200 px | nd |
| Optical zoom | | nd |
| Flash | LED | nd |
| Dual-colour LED flash | | nd |
| Video resolution | 1920x1080 px | nd |
| Video formats | H.263, H.264, MPEG4 - 30 fps | nd |
| Additional | AF, f/2.2 | nd |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 5 Mpx | 2 Mpx |
| Resolution | 2592x1944 px | 1600x1200 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | FF, f/2.4 | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | - | - |
| LTE UP | 102.00 Mbit/s | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.2 | v4.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac/r/k | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | 2 | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, FLAC, MIDI, OGG, WAV, WMA, eAAC+ | AAC, AAC+, AMR, FLAC, OGG, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |