In depth comparison and review of CAT S31 and TCL 20 5G. 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 | TCL 20 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | T781K | |
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 166.2 mm | TCL 20 5G has greater height than CAT S31. |
| Width | 74.42 mm | 76.8 mm | TCL 20 5G has greater width than CAT S31. |
| Depth | 12.6 mm | 9.1 mm | TCL 20 5G is narrower than CAT S31. |
| Weight | 200 g | 206 g | CAT S31 is lighter than CAT S31. |
| Body Colour | - | Mist grey | Placid blue | |
| 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) | 1.45 W/kg (body), 1.4 W/kg (head), 3.5 W/kg (limb) | |
| Integrated Components | - | FM radio, LED flashlight | |
| 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 | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | CAT S31 | TCL 20 5G |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 4.7" | 6.67" | TCL 20 5G has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | TCL 20 5G has better screen resolution than CAT S31. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1500:1 | |
| HDR | - | Yes | TCL 20 5G has HDR. |
| HDR Technology | - | HDR10 | |
| Display Enhancement Technology | Super Bright Display | - | |
| Display Features | - | 2.5D Glass, Dotch Display, TCL NXTVISION, Delta-E < 1 | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Fingerprint-resistant coating |
| PROCESSOR | CAT S31 | TCL 20 5G |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 690 5G | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | Quad-core | 8-core | TCL 20 5G has higher processor core quantity than CAT S31. |
| Graphics System (GPU) | - | Qualcomm ADRENO 619L |
| MEMORY | CAT S31 | TCL 20 5G |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 6 GB | TCL 20 5G has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | TCL 20 5G has more internal memory than CAT S31. |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | CAT S31 | TCL 20 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | TCL 20 5G has better camera resolution than CAT S31. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | - | F/1.8 | |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | - | 79 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR, Bokeh effect | |
| Camera Modes | - | Panorama, Slow motion mode, Pro mode, portrait mode, Super Night mode, Filter mode, Light Trace Mode, Stop-Motion Video Mode, Super Macro Mode, Super Steady 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, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), snapshot in video recording, EIS video stabilisation, AI scene detection, AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Field of View (3rd Camera) | - | 83 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 8 Megapixel | TCL 20 5G has better front camera resolution than CAT S31. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 4-element | |
| Field of View (Front) | - | 78 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | - | HDR, Face Beautification | |
| Camera Modes (Front) | - | Portrait mode, Filter mode | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps |
| BATTERY AND CHARGING | CAT S31 | TCL 20 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4500 mAh | TCL 20 5G has larger battery capacity than CAT S31. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0+ | TCL 20 5G has fast charging technology. |
| Recharge Time (Charging Time) | - | 2.5 hour(s) | |
| 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 | TCL 20 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | TCL 20 5G has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | Android 10 | |
| User Interface | - | TCL UI | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | CAT S31 | TCL 20 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSPA+, VoLTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 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 3, Band 5, Band 7, Band 8, Band 20, Band 26, Band 28, Band 32, Band 38, 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n3, n5, n28, n41, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 700APT, TDD TD 2500, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.1 | |
| NFC | - | Yes | TCL 20 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | CAT S31 | TCL 20 5G |
|---|
| Supported Digital Audio Standards | - | AAC, MP3, FLAC, AAC +, eAAC+, MIDI, LDAC, AMR-WB, AMR-NB, SBC, Vorbis, WAVE | |
|---|---|---|---|
| Sound Enhancements | - | Hi-Res audio, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio, Qualcomm aptX Adaptive |
| FEATURES | CAT S31 | TCL 20 5G |
|---|
| 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 | - | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | HD Voice, dual microphones with noise cancellation, Face Key, Google Lens, Google Assistant Button, guaranteed upgrade to Android 11 | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | TCL 20 5G |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, LCD sticker | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | HAC (Hearing Aid Compatible) | |
| 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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