In depth comparison and review of CAT S40 and Xiaomi Redmi Note 4. 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 Redmi Note 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 144.9 mm | 151 mm | Xiaomi Redmi Note 4 has greater height than CAT S40. |
| Width | 74.1 mm | 76 mm | Xiaomi Redmi Note 4 has greater width than CAT S40. |
| Depth | 12.5 mm | 8.38 mm | Xiaomi Redmi Note 4 is narrower than CAT S40. |
| Weight | 185 g | 175 g | Xiaomi Redmi Note 4 is lighter than CAT S40. |
| Body Colour | Black | Grey | Silver | Gold | |
| Body Material | - | Metal | |
| 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) | - | |
| Integrated Components | 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 |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM, nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 4.7" | 5.5" | Xiaomi Redmi Note 4 has larger screen size than CAT S40. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 1920 x 1080 pixels | Xiaomi Redmi Note 4 has better screen resolution than CAT S40. |
| Display Format | - | Full HD | |
| Pixel Density | - | 401 ppi | |
| Contrast Ratio | - | 1000:1 | |
| Display Features | - | Night Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | MediaTek Helio X20 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.1 GHz | 2.1 GHz | Xiaomi Redmi Note 4 has higher clock speed than CAT S40. |
| Processor Core Qty | Quad-core | 10-core | Xiaomi Redmi Note 4 has higher processor core quantity than CAT S40. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi Note 4 has 64-bit architecture. |
| Graphics System (GPU) | - | Mali T880 MP4 |
| MEMORY | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| RAM | 1 GB | 2 GB | Xiaomi Redmi Note 4 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 | microSDHC, microSDXC - up to 128 GB |
| CAMERA | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 13 Megapixel | Xiaomi Redmi Note 4 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 | - | Burst mode, Panorama | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 4 has face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p), 1280 x 720 (720p) | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 5 Megapixel | Xiaomi Redmi Note 4 has better front camera resolution than CAT S40. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Special Effects (Front) | - | Real-time face beautification | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 4 has face detection. |
| BATTERY AND CHARGING | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4100 mAh | Xiaomi Redmi Note 4 has larger battery capacity than CAT S40. |
|---|---|---|---|
| Standby Time | 936 hours | - | |
| Talk Time | 1080 minutes | - | |
| Run Time Details | Talk: up to 1080 min Standby: up to 936 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.1 (Lollipop) | Android 6.0 (Marshmallow) | |
| User Interface | - | MIUI 8 | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, 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 4.2 | |
| Bluetooth Profiles | - | HID | |
| NFC | Yes | - | CAT S40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, AAC +, OGG, eAAC+, MKA, MIDI | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, VP8, VP9, H.265 | MKV, VC-1, XviD, MPEG-4, H.264, M4V, H.265 |
| FEATURES | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| 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, gyro sensor, hall sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | TTY compatible, E-911 compliant, Face Unlock, Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | Infrared remote control |
| OTHERS | CAT S40 | Xiaomi Redmi Note 4 |
|---|
| 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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