Detailed comparison and review of CAT S31 and Nokia XR21. 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 | Nokia XR21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | TA-1486 | |
| Form Factor | Touch - Rugged | Touch - Rugged | |
| Height | 146 mm | 168 mm | Nokia XR21 has greater height than CAT S31. |
| Width | 74.42 mm | 78.58 mm | Nokia XR21 has greater width than CAT S31. |
| Depth | 12.6 mm | 10.45 mm | Nokia XR21 is narrower than CAT S31. |
| Weight | 200 g | 231 g | CAT S31 is lighter than CAT S31. |
| Body Colour | - | Midnight black | Pine green | |
| Body Material | - | Polycarbonate, thermoplastic polyurethane (TPU) | |
| Protection | Shockproof, dustproof, waterproof | Dustproof, drop-proof, water-resistant | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IP68, IP69K, IP69 | |
| SAR Value | 1.649 W/kg (body), 0.799 W/kg (head) | 1.16 W/kg (body), 1.1 W/kg (head) | |
| Integrated Components | - | 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S31 | Nokia XR21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 4.7" | 6.49" | Nokia XR21 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | Nokia XR21 has better screen resolution than CAT S31. |
| Display Format | HD | Full HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 550 cd/m² | |
| Display Enhancement Technology | Super Bright Display | - | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | - | Glove & Wet Touch, 82% NTSC | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | CAT S31 | Nokia XR21 |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 695 5G | |
|---|---|---|---|
| Processor Number | MSM8909 | SM6375 | |
| Clock Speed | - | 2.2 GHz | |
| Processor Core Qty | Quad-core | 8-core | Nokia XR21 has higher processor core quantity than CAT S31. |
| Graphics System (GPU) | - | Qualcomm ADRENO 619 |
| MEMORY | CAT S31 | Nokia XR21 |
|---|
| RAM | 2 GB | 6 GB | Nokia XR21 has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Nokia XR21 has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | CAT S31 | Nokia XR21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 64 Megapixel | Nokia XR21 has better camera resolution than CAT S31. |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | - | AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode | |
| Light Source | LED flash | Dual LED flash | |
| Video Resolutions | 1280 x 720 (720p) at 120 fps | - | |
| Camera Features (Functions) | - | Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 16 Megapixel | Nokia XR21 has better front camera resolution than CAT S31. |
| Focus Adjustment | Focus free | - |
| BATTERY AND CHARGING | CAT S31 | Nokia XR21 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4800 mAh | Nokia XR21 has larger battery capacity than CAT S31. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0 | Nokia XR21 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 |
Mixed usage: up to 48 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S31 | Nokia XR21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Nokia XR21 has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | Android 12 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS |
| COMMUNICATIONS | CAT S31 | Nokia XR21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | LTE, 5G NR | |
|---|---|---|---|
| 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 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 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 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, 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 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n20, n28, n41, n66, n71, n77, n78, n79, n40, n25 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 800, FDD 700APT, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.1 | |
| NFC | - | Yes | Nokia XR21 has NFC reader for mobile payments. |
| Modem | - | Snapdragon X51 5G | |
| Messaging Services | SMS, MMS | - |
| MEDIA | CAT S31 | Nokia XR21 |
|---|
| Sound Enhancements | - | OZO Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode |
|---|
| FEATURES | CAT S31 | Nokia XR21 |
|---|
| 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, ambient light sensor, proximity sensor, digital compass, barometer, gyroscope | |
| Security Devices | - | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | Nokia XR21 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | IP68, IP69K, MIL-STD-810H | |
| Product Recycled Content | - | 100 % - aluminium inner chassis | |
| 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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