Side by side comparison and review of Samsung Galaxy Note8 DUOS and CAT S31. 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 | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-N950F/DS | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 162.5 mm | 146 mm | Samsung Galaxy Note8 DUOS has greater height than CAT S31. |
| Width | 74.8 mm | 74.42 mm | Samsung Galaxy Note8 DUOS has greater width than CAT S31. |
| Depth | 8.6 mm | 12.6 mm | Samsung Galaxy Note8 DUOS is narrower than Samsung Galaxy Note8 DUOS. |
| Weight | 195 g | 200 g | Samsung Galaxy Note8 DUOS is lighter than Samsung Galaxy Note8 DUOS. |
| Body Colour | Midnight black | - | |
| Protection | Dustproof, splashproof, waterproof | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IP68 | |
| SAR Value | 1.29 W/kg (body), 0.173 W/kg (head) | 1.649 W/kg (body), 0.799 W/kg (head) | |
| Integrated Components | Heart rate sensor | - | |
| Connector Type | USB Type-C - 24 pin USB-C 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 (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Quad HD+ Super AMOLED | IPS | |
| Screen Size (Display Size) | 6.3" | 4.7" | Samsung Galaxy Note8 DUOS has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 2960 x 1440 pixels | 1280 x 720 pixels | Samsung Galaxy Note8 DUOS has better screen resolution than CAT S31. |
| Display Format | - | HD | |
| Pixel Density | 521 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Super Bright Display | |
| Display Features | Always-on display | - | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Processor Type (CPU) | Samsung Exynos | Qualcomm | |
|---|---|---|---|
| Processor Number | 8895 | MSM8909 | |
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy Note8 DUOS has higher processor core quantity than CAT S31. |
| 64-bit Architecture | Yes | - | Samsung Galaxy Note8 DUOS has 64-bit architecture. |
| Graphics System (GPU) | Mali-G71 MP20 | - |
| MEMORY | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| RAM | LPDDR4 SDRAM - 6 GB | 2 GB | Samsung Galaxy Note8 DUOS has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 16 GB | Samsung Galaxy Note8 DUOS has more internal memory than CAT S31. |
| User Memory | 51.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 8 Megapixel | Samsung Galaxy Note8 DUOS has better camera resolution than CAT S31. |
| Sensor Size | 1/2.55" | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.7 | - | |
| Lens Construction | 6-element | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy Note8 DUOS has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, Timer mode, Virtual Shot, HYPERLAPSE, Food mode | - | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy Note8 DUOS has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Selective Focus, Quick Launch, Playback zoom, Tracking Focus, Dual Pixel technology, Motion photo, Exposure, Shutter speed, geotagging, RAW image capture, VDIS (Video Digital Image Stabilisation) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | - | |
| Lens Aperture (2nd Camera) | F/2.4 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 2 Megapixel | Samsung Galaxy Note8 DUOS has better front camera resolution than CAT S31. |
| Sensor Size (Front) | 1/3.6" | - | |
| Sensor Type (Front) | CMOS | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.7 | - | |
| Focus Adjustment | Automatic | Focus free | |
| Camera Modes (Front) | Wide selfie mode | - | |
| Camera Features (Front) | Optical Image Stabilisation (OIS) | - |
| BATTERY AND CHARGING | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 4000 mAh | CAT S31 has larger battery capacity than Samsung Galaxy Note8 DUOS. |
|---|---|---|---|
| Wireless Charging | Yes | - | Samsung Galaxy Note8 DUOS can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA | - | |
| Standby Time | - | 912 hours | |
| Talk Time | 1320 minutes | 1800 minutes | CAT S31 has longer battery life when making calls than Samsung Galaxy Note8 DUOS. |
| Run Time Details | Talk (3G): up to 1320 min Active online usage (3G): up to 12 hrs Active online usage (4G): up to 13 hrs Active online usage (Wi-Fi): up to 14 hrs Playback (audio (Always On Display On)): up to 47 hrs Playback (audio (Always On Display Off)): up to 74 hrs Playback (video): up to 16 hrs |
Talk: up to 1800 min Standby: up to 912 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.1.1 Nougat | Android 7.0 Nougat | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 4, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.1 | |
| NFC | Yes | - | Samsung Galaxy Note8 DUOS has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Supported Digital Audio Standards | WAV, WMA, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, apt-X, DSF, DSD, MXMF, IMY, RTTTL, RTX, OTA, DFF, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | Acoustic Overload Point | - |
| FEATURES | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader, eye scan | - | |
| Additional Phone Features | Face Unlock, Wi-Fi Miracast, MU-MIMO technology, Fast Charging, Samsung KNOX | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | Samsung Galaxy Note8 DUOS | CAT S31 |
|---|
| Included Accessories | Power adapter, tweezer, SIM card removal tool, USB Connector (USB-C), micro-USB connector, AKG headphones, USB-C cable, S Pen, Pen nibs | Power adapter | |
|---|---|---|---|
| Compliant Standards | IP68, 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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