Detailed comparison and review of Xiaomi MI Redmi 3 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 Redmi 3 | CAT S31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 139.3 mm | 146 mm | CAT S31 has greater height than Xiaomi MI Redmi 3. |
| Width | 69.6 mm | 74.42 mm | CAT S31 has greater width than Xiaomi MI Redmi 3. |
| Depth | 8.5 mm | 12.6 mm | Xiaomi MI Redmi 3 is narrower than Xiaomi MI Redmi 3. |
| Weight | 144 g | 200 g | Xiaomi MI Redmi 3 is lighter than Xiaomi MI Redmi 3. |
| Body Colour | Fashion gold | - | |
| 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) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 4.7" | Xiaomi MI Redmi 3 has larger screen size than CAT S31. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1280 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD | HD | |
| Pixel Density | 294 ppi | - | |
| Display Enhancement Technology | - | Super Bright Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 616 | Qualcomm | |
|---|---|---|---|
| Processor Number | - | MSM8909 | |
| Clock Speed | 1.5 GHz | - | |
| Processor Core Qty | 8-core | Quad-core | Xiaomi MI Redmi 3 has higher processor core quantity than CAT S31. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| RAM | 1 GB | 2 GB | CAT S31 has more RAM than Xiaomi MI Redmi 3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 8 Megapixel | Xiaomi MI Redmi 3 has better camera resolution than CAT S31. |
| Lens Aperture | F/2.0 | - | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | - | |
| Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI Redmi 3 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1280 x 720 (720p) at 120 fps |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 2 Megapixel | Xiaomi MI Redmi 3 has better front camera resolution than CAT S31. |
| Lens Aperture (Front) | F/2.2 | - | |
| Focus Adjustment | - | Focus free | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 4000 mAh | Xiaomi MI Redmi 3 has larger battery capacity than CAT S31. |
|---|---|---|---|
| Standby Time | - | 912 hours | |
| Talk Time | - | 1800 minutes | |
| Run Time Details | - | Talk: up to 1800 min Standby: up to 912 hrs |
|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | Xiaomi MI Redmi 3 | 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 5.1 (Lollipop) | Android 7.0 Nougat | |
| User Interface | MIUI V7 | - | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 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 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, 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 1800+, FDD 2600, 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 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.1 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| FEATURES | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Additional Phone Features | Infrared remote control | Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | Xiaomi MI Redmi 3 | CAT S31 |
|---|
| Included Accessories | Power adapter | 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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