In depth comparison and review of Xiaomi Redmi S2 and CAT S75. 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 | Xiaomi Redmi S2 | CAT S75 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 160.73 mm | 171 mm | CAT S75 has greater height than Xiaomi Redmi S2. |
| Width | 77.26 mm | 80 mm | CAT S75 has greater width than Xiaomi Redmi S2. |
| Depth | 8.1 mm | 11.9 mm | Xiaomi Redmi S2 is narrower than Xiaomi Redmi S2. |
| Weight | 170 g | 268 g | Xiaomi Redmi S2 is lighter than Xiaomi Redmi S2. |
| Body Colour | Grey | Blue | Rose gold | Gold | Black | Dark grey | - | |
| Protection | - | Waterproof, sandproof, dirtproof, drop-proof, temperature protection, dust-resistant | |
| Waterproof (Water-resistant) | - | Yes | CAT S75 is waterproof. |
| IP rating | - | IP68, IP69K, IP69 | |
| SAR Value | 1.577 W/kg (body), 0.429 W/kg (head) | 1.479 W/kg (body), 0.997 W/kg (head), 3.265 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 | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi S2 | CAT S75 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Screen Size (Display Size) | 5.99" | 6.58" | CAT S75 has larger screen size than Xiaomi Redmi S2. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | - | |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 269 ppi | - | |
| Aspect Ratio | 18:9 | 20:9 | |
| Max Brightness | 450 cd/m² | - | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1000:1 | - | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | Glove & Wet Touch | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi S2 | CAT S75 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | MediaTek Dimensity 930 | |
|---|---|---|---|
| Clock Speed | - | 2.2 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi S2 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | Xiaomi Redmi S2 | CAT S75 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 6 GB | CAT S75 has more RAM than Xiaomi Redmi S2. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | CAT S75 has more internal memory than Xiaomi Redmi S2. |
| Memory Interface | - | eMMC | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi S2 | CAT S75 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 50 Megapixel | CAT S75 has better camera resolution than Xiaomi Redmi S2. |
| Lens Aperture | F/2.2 | F/1.8 | CAT S75 has better lens aperture than Xiaomi Redmi S2. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, low light enhancement | - | |
| Camera Modes | Panorama, portrait mode, AI portrait mode | Underwater mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi S2 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Dual camera | Phase Detect Auto-Focus (PDAF) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | CAT S75 has better second camera resolution than Xiaomi Redmi S2. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | Xiaomi Redmi S2 has better front camera resolution than CAT S75. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Precise bokeh effect, AI Beautify 4.0 | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Wide selfie mode | - | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | Xiaomi Redmi S2 | CAT S75 |
|---|
| Battery Capacity (Battery Size) | 3080 mAh | 5000 mAh | CAT S75 has larger battery capacity than Xiaomi Redmi S2. |
|---|---|---|---|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Xiaomi Redmi S2 | CAT S75 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | CAT S75 has more advanced generation mobile network. |
| Operating System | - | Android 12 | |
| User Interface | MIUI 9 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, LTEPP, SUPL |
| COMMUNICATIONS | Xiaomi Redmi S2 | CAT S75 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-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 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n75, n77, n78, n40 | |
| 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, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
| NFC | - | Yes | CAT S75 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi S2 | CAT S75 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | - |
| FEATURES | Xiaomi Redmi S2 | CAT S75 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (rear) | |
| Additional Phone Features | Infrared remote control, Dual microphones | SOS button, SOS function, Programmable side key, guaranteed upgrade to Android 13, guaranteed upgrade to Android 14, Satellite Messaging | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | Xiaomi Redmi S2 | CAT S75 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, clear soft case | USB cable | |
|---|---|---|---|
| Compliant Standards | - | IP68, IP69K, MIL-STD-810H | |
| Max Depth of Water Resistance | - | 5 m | |
| Max Height of Shock Resistance | - | 1.8 m | |
| Max Operating Temperature | - | 55 °C | |
| Min Operating Temperature | - | -25 °C |
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