Detailed comparison and review of CAT S31 and Nothing Phone (2). 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 | Nothing Phone (2) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 146 mm | 162.1 mm | Nothing Phone (2) has greater height than CAT S31. |
| Width | 74.42 mm | 76.4 mm | Nothing Phone (2) has greater width than CAT S31. |
| Depth | 12.6 mm | 8.6 mm | Nothing Phone (2) is narrower than CAT S31. |
| Weight | 200 g | 201.2 g | CAT S31 is lighter than CAT S31. |
| Body Colour | - | Dark grey | White | |
| Body Material | - | 100% recycled aluminium, 80% recycled plastic | |
| Protection | Shockproof, dustproof, waterproof | Water-resistant, splash-resistant, dust-resistant | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IP54 | |
| 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 | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S31 | Nothing Phone (2) |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | LTPO OLED | |
| Screen Size (Display Size) | 4.7" | 6.7" | Nothing Phone (2) has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2412 x 1080 pixels | Nothing Phone (2) has better screen resolution than CAT S31. |
| Display Format | HD | - | |
| Pixel Density | - | 394 ppi | |
| Max Brightness | - | 1600 cd/m² | |
| Colour Depth | - | 1.07 billion colours | |
| Contrast Ratio | - | 1000000:1 | |
| HDR | - | Yes | Nothing Phone (2) has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | Super Bright Display | - | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | - | Haptic touch, 120Hz adaptive refresh rate | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | CAT S31 | Nothing Phone (2) |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 8+ Gen 1 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | - | 3 GHz | |
| Processor Core Qty | Quad-core | 8-core | Nothing Phone (2) has higher processor core quantity than CAT S31. |
| Graphics System (GPU) | - | Qualcomm ADRENO 730 |
| MEMORY | CAT S31 | Nothing Phone (2) |
|---|
| RAM | 2 GB | 12 GB | Nothing Phone (2) has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | Nothing Phone (2) has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | CAT S31 | Nothing Phone (2) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 50 Megapixel | Nothing Phone (2) has better camera resolution than CAT S31. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony IMX890 sensor | |
| Lens Aperture | - | F/1.88 | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Nothing Phone (2) has optical stabilisation. |
| Focus Adjustment | Automatic | - | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Special Effects | - | HDR, Live Filters | |
| Camera Modes | - | Panorama, night mode, Expert Mode, portrait mode, Documents, Motion Photo, Macro mode, Action Cam mode, Super Res Zoom, Motion capture, Panorama night mode, Time Lapse (4K) | |
| Light Source | 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 60 fps, 3840 x 2160 (4K) HDR10+ at 60 fps | |
| Camera Features (Functions) | - | AI scene detection, HEIF image capture, OIS+EIS dual stabilisation, Advanced HDR |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 50 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.76" | |
| Sensor Name (2nd Camera) | - | Samsung JN1 | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 114 degree(s) | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Special Effects (2nd Camera) | - | HDR | |
| Camera Features (2nd Camera) | - | Electronic Image Stabiliser (EIS), 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 32 Megapixel | Nothing Phone (2) has better front camera resolution than CAT S31. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony IMX615 sensor | |
| Lens Aperture (Front) | - | F/2.45 | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | Night mode, portrait mode, Motion Photo | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Advanced HDR |
| BATTERY AND CHARGING | CAT S31 | Nothing Phone (2) |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4700 mAh | Nothing Phone (2) has larger battery capacity than CAT S31. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0, Power Delivery 3.0 | Nothing Phone (2) has fast charging technology. |
| Recharge Time (Charging Time) | - | 55 min | |
| Wireless Charging | - | Yes | Nothing Phone (2) can be charged wirelessly. |
| Wireless Charging Standards | - | Qi, Reverse wireless charging | |
| 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 | Nothing Phone (2) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Nothing Phone (2) has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | Nothing OS 2.0 | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, SBAS, NavIC |
| COMMUNICATIONS | CAT S31 | Nothing Phone (2) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE, 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 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n71, n75, n77, n78, n40, n25, n12, n30 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, FDD 600, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12, FDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.3 | |
| NFC | - | Yes | Nothing Phone (2) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | CAT S31 | Nothing Phone (2) |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, IMY, EAC3, MID, AMR-WB, AMR-NB, EAC3-JOC, AC-4 | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 |
| FEATURES | CAT S31 | Nothing Phone (2) |
|---|
| 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, gyroscope, sensor core | |
| Security Devices | - | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | MIMO technology, Three microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, 5W reverse wireless charging | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | CAT S31 | Nothing Phone (2) |
|---|
| Included Accessories | Power adapter | SIM card removal tool, screen protector (pre-applied), USB-C to USB-C cable | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | IP54, SGS Low Blue Light Certification | |
| Carbon Footprint | - | 53.45 kg carbon emissions | |
| 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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