In depth comparison and review of CAT S40 and Xiaomi MI 4i. 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 | CAT S40 | Xiaomi MI 4i |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 144.9 mm | 138.1 mm | CAT S40 has greater height than Xiaomi MI 4i. |
| Width | 74.1 mm | 69.6 mm | CAT S40 has greater width than Xiaomi MI 4i. |
| Depth | 12.5 mm | 7.8 mm | Xiaomi MI 4i is narrower than CAT S40. |
| Weight | 185 g | 130 g | Xiaomi MI 4i is lighter than CAT S40. |
| Body Colour | Black | Black | Dark grey | White | |
| Protection | Shockproof, dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | CAT S40 is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 0.429 W/kg (body), 0.609 W/kg (head) | 1.29 W/kg | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S40 | Xiaomi MI 4i |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 4.7" | 5" | Xiaomi MI 4i has larger screen size than CAT S40. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 1920 x 1080 pixels | Xiaomi MI 4i has better screen resolution than CAT S40. |
| Display Format | - | Full HD | |
| Pixel Density | - | 441 ppi | |
| Colour Depth | - | 16.7 million colours | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Concore Glass |
| PROCESSOR | CAT S40 | Xiaomi MI 4i |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 615 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.1 GHz | 1.7 GHz | Xiaomi MI 4i has higher clock speed than CAT S40. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi MI 4i has higher processor core quantity than CAT S40. |
| 64-bit Architecture | - | Yes | Xiaomi MI 4i has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 405 |
| MEMORY | CAT S40 | Xiaomi MI 4i |
|---|
| RAM | 1 GB | 2 GB | Xiaomi MI 4i has more RAM than CAT S40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 64 GB | - |
| CAMERA | CAT S40 | Xiaomi MI 4i |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 13 Megapixel | Xiaomi MI 4i has better camera resolution than CAT S40. |
| Lens Aperture | - | F/2.0 | |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | - | Panorama, manual mode | |
| Face Recognition (Face ID) | - | Face detection, smile detection | Xiaomi MI 4i has face detection. |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 5 Megapixel | Xiaomi MI 4i has better front camera resolution than CAT S40. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/1.8 | |
| Lens Element Qty (Front) | - | 5-element |
| BATTERY AND CHARGING | CAT S40 | Xiaomi MI 4i |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3120 mAh | Xiaomi MI 4i has larger battery capacity than CAT S40. |
|---|---|---|---|
| Standby Time | 936 hours | - | |
| Talk Time | 1080 minutes | 2100 minutes | Xiaomi MI 4i has longer battery life when making calls than CAT S40. |
| Run Time Details | Talk: up to 1080 min Standby: up to 936 hrs |
Talk (WCDMA): up to 2100 min | |
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | CAT S40 | Xiaomi MI 4i |
|---|
| Technology | WCDMA (UMTS) / GSM | 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 5.0.2 (Lollipop) | |
| User Interface | - | MIUI V6 | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | CAT S40 | Xiaomi MI 4i |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20 | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
| Bluetooth Profiles | - | A2DP, HID | |
| NFC | Yes | - | CAT S40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S40 | Xiaomi MI 4i |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, AAC +, OGG, eAAC+, MKA, MIDI | WAV, MP3, FLAC, eAAC+ | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, VP8, VP9, H.265 | XviD, MPEG-4, DivX, H.264 |
| FEATURES | CAT S40 | Xiaomi MI 4i |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | |
| Additional Phone Features | TTY compatible, E-911 compliant, Face Unlock, Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | MIMO technology, Active noise-cancellation |
| OTHERS | CAT S40 | Xiaomi MI 4i |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | - | |
| Max Operating Temperature | 55 °C | - | |
| Min Operating Temperature | -25 °C | - |
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