Detailed comparison and review of Xiaomi MI Mix 2 and CAT S31. 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 | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 151.8 mm | 146 mm | Xiaomi MI Mix 2 has greater height than CAT S31. |
| Width | 75.5 mm | 74.42 mm | Xiaomi MI Mix 2 has greater width than CAT S31. |
| Depth | 7.7 mm | 12.6 mm | Xiaomi MI Mix 2 is narrower than Xiaomi MI Mix 2. |
| Weight | 185 g | 200 g | Xiaomi MI Mix 2 is lighter than Xiaomi MI Mix 2. |
| Body Colour | Black | - | |
| Body Material | Ceramic, aerospace-grade aluminium alloy frame | - | |
| Protection | - | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | CAT S31 is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.77 W/kg (body), 0.39 W/kg (head) | 1.649 W/kg (body), 0.799 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 5.99" | 4.7" | Xiaomi MI Mix 2 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 1280 x 720 pixels | Xiaomi MI Mix 2 has better screen resolution than CAT S31. |
| Display Format | - | HD | |
| Pixel Density | 403 ppi | - | |
| Aspect Ratio | 18:9 | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Enhancement Technology | - | Super Bright Display | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut | - | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 835 | Qualcomm | |
|---|---|---|---|
| Processor Number | - | MSM8909 | |
| Clock Speed | 2.45 GHz | - | |
| Processor Core Qty | - | Quad-core | |
| 64-bit Architecture | Yes | - | Xiaomi MI Mix 2 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 540 | - |
| MEMORY | Xiaomi MI Mix 2 | CAT S31 |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | 2 GB | Xiaomi MI Mix 2 has more RAM than CAT S31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 16 GB | Xiaomi MI Mix 2 has more internal memory than CAT S31. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Xiaomi MI Mix 2 | CAT S31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 8 Megapixel | Xiaomi MI Mix 2 has better camera resolution than CAT S31. |
| Sensor Name | Sony Exmor RX IMX386 sensor | - | |
| Lens Aperture | F/2.0 | - | |
| Lens Construction | 5-element | - | |
| Optical Image Stabiliser (OIS) | 4-axis OIS (Optical Image Stabilisation) | - | Xiaomi MI Mix 2 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Burst mode, Panorama, low-light shots | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Mix 2 has face detection. |
| Light Source | Dual flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Two-tone flash | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 2 Megapixel | Xiaomi MI Mix 2 has better front camera resolution than CAT S31. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Mirror | - | |
| Camera Modes (Front) | Beautify with 36 smart beauty profiles, realtime Beautify | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Mix 2 has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | Selfie countdown | - |
| BATTERY AND CHARGING | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Battery Capacity (Battery Size) | 3400 mAh | 4000 mAh | CAT S31 has larger battery capacity than Xiaomi MI Mix 2. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi MI Mix 2 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 | Lithium Ion |
| CELLULAR | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| 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 |
| COMMUNICATIONS | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 9, Band 19 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1800, 1700, 850, 800, 900, 1700, 800 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 27, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | |
| 4G LTE Frequency | 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 800 SMR, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.1 | |
| NFC | Yes | - | Xiaomi MI Mix 2 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | - | |
| Sound Enhancements | Dual ADC HD voice recording | - |
| FEATURES | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, barometer, gyro sensor, hall sensor, ultrasonic proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | MU-MIMO technology, Chip-On-Film technology | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | Xiaomi MI Mix 2 | CAT S31 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, Mi MIX 2 protective cover, Type-C to audio converter | Power adapter | |
|---|---|---|---|
| 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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