In depth comparison and review of CAT S31 and Black Shark 2 Pro. 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 | CAT S31 | Black Shark 2 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 163.61 mm | Black Shark 2 Pro has greater height than CAT S31. |
| Width | 74.42 mm | 75.01 mm | Black Shark 2 Pro has greater width than CAT S31. |
| Depth | 12.6 mm | 8.77 mm | Black Shark 2 Pro is narrower than CAT S31. |
| Weight | 200 g | 205 g | CAT S31 is lighter than CAT S31. |
| Body Colour | - | Shadow black | |
| Body Material | - | Glass, frosted metal | |
| 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) | - | |
| 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 | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S31 | Black Shark 2 Pro |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 4.7" | 6.39" | Black Shark 2 Pro has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | Black Shark 2 Pro has better screen resolution than CAT S31. |
| Display Format | HD | - | |
| Pixel Density | - | 403 ppi | |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | - | 430 cd/m² | |
| Contrast Ratio | - | 60000:1 | |
| HDR | - | Yes | Black Shark 2 Pro has HDR. |
| Display Enhancement Technology | Super Bright Display | DC Dimming 2.0 | |
| Display Refresh Rate | - | 240 Hz | |
| Display Features | - | Eye protection mode, Image Enhance Technology, DCI-P3 Wide colour gamut, TrueView Display, Master Touch | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | CAT S31 | Black Shark 2 Pro |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 855+ | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | - | 2.96 GHz | |
| Processor Core Qty | Quad-core | 8-core | Black Shark 2 Pro has higher processor core quantity than CAT S31. |
| 64-bit Architecture | - | Yes | Black Shark 2 Pro has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 640 |
| MEMORY | CAT S31 | Black Shark 2 Pro |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 8 GB | Black Shark 2 Pro has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Black Shark 2 Pro has more internal memory than CAT S31. |
| Memory Interface | - | UFS 3.0 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | CAT S31 | Black Shark 2 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Black Shark 2 Pro has better camera resolution than CAT S31. |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Aperture | - | F/1.75 | |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Special Effects | - | HDR | |
| Camera Modes | - | Panorama, Slow motion mode, Portrait, Super Night Mode 3.0 | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1280 x 720 (720p) at 120 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 60 fps, Super slow motion video 1280 x 720 (720p) at 480 fps, Super slow motion video 1280 x 720 (720p) at 1920 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), low-light enhancement technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Camera Features (2nd Camera) | - | 6P lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 20 Megapixel | Black Shark 2 Pro has better front camera resolution than CAT S31. |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 5-element | |
| Pixel Size (Front) | - | 0.9 μm | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | AI Beauty, Portrait | |
| Camera Features (Front) | - | Selfie countdown, 4-in-1 technology |
| BATTERY AND CHARGING | CAT S31 | Black Shark 2 Pro |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4.0 | Black Shark 2 Pro has fast charging technology. |
| Standby Time | 912 hours | - | |
| Talk Time | 1800 minutes | - | |
| Run Time Details | Talk: up to 1800 min Standby: up to 912 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S31 | Black Shark 2 Pro |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.0 Nougat | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | CAT S31 | Black Shark 2 Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 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 6, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 800, 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 19, Band 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | |
| 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 800 upper, FDD 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S31 | Black Shark 2 Pro |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AIFF, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | - | FLV, AVI, ASF, 3GP, WebM, 3G2, MP4 |
| FEATURES | CAT S31 | Black Shark 2 Pro |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor, touch sensor | |
| Security Devices | - | Fingerprint reader (under display) | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | MIMO technology, MU-MIMO technology, TrueClarity MEMC processing, SHARK key, Direct Touch Liquid Cooling 3.0+, Dynamic Frame Rate Synchronization, Gaming Night Mode | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | Black Shark 2 Pro |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, screen protector, USB-C to 3.5 jack adapter, USB-C cable, protective case, Black Shark Gamepad - Left Side Version | |
|---|---|---|---|
| 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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