In depth comparison and review of CAT S40 and Xiaomi Redmi 4X. 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 4X |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 144.9 mm | 139.24 mm | CAT S40 has greater height than Xiaomi Redmi 4X. |
| Width | 74.1 mm | 69.96 mm | CAT S40 has greater width than Xiaomi Redmi 4X. |
| Depth | 12.5 mm | 8.65 mm | Xiaomi Redmi 4X is narrower than CAT S40. |
| Weight | 185 g | 146 g | Xiaomi Redmi 4X is lighter than CAT S40. |
| Body Colour | Black | Black | |
| 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) | 1.5 W/kg (body), 0.583 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 - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM, nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Micro SIM + nano SIM/microSD |
| DISPLAY | CAT S40 | Xiaomi Redmi 4X |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 4.7" | 5" | Xiaomi Redmi 4X has larger screen size than CAT S40. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 1280 x 720 pixels | Xiaomi Redmi 4X has better screen resolution than CAT S40. |
| Display Format | - | HD | |
| Max Brightness | - | 450 cd/m² | |
| Contrast Ratio | - | 1000:1 | |
| Display Features | - | 2.5D Glass, Night Display, Reading mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | CAT S40 | Xiaomi Redmi 4X |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 435 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.1 GHz | 1.4 GHz | Xiaomi Redmi 4X has higher clock speed than CAT S40. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi Redmi 4X has higher processor core quantity than CAT S40. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi 4X has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 505 |
| MEMORY | CAT S40 | Xiaomi Redmi 4X |
|---|
| RAM | 1 GB | 3 GB | Xiaomi Redmi 4X has more RAM than CAT S40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Xiaomi Redmi 4X has more internal memory than CAT S40. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 64 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | CAT S40 | Xiaomi Redmi 4X |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 13 Megapixel | Xiaomi Redmi 4X has better camera resolution than CAT S40. |
| Lens Aperture | - | F/2.0 | |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | - | Burst mode, Panorama | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 4X has face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| 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 4X has better front camera resolution than CAT S40. |
| Lens Aperture (Front) | - | F/2.2 | |
| Camera Modes (Front) | - | Beautify Selfie mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 4X has face detection. |
| BATTERY AND CHARGING | CAT S40 | Xiaomi Redmi 4X |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4100 mAh | Xiaomi Redmi 4X has larger battery capacity than CAT S40. |
|---|---|---|---|
| Standby Time | 936 hours | 432 hours | CAT S40 has longer standby time than Xiaomi Redmi 4X. |
| Talk Time | 1080 minutes | 2160 minutes | Xiaomi Redmi 4X has longer battery life when making calls than CAT S40. |
| Run Time Details | Talk: up to 1080 min Standby: up to 936 hrs |
Talk: up to 2160 min Playback (video): up to 15 hrs Gaming: up to 13 hrs Standby (LTE): up to 432 hrs Playback (audio): up to 87 hrs Reading: up to 26 hrs Navigation: up to 15 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | CAT S40 | Xiaomi Redmi 4X |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.1 (Lollipop) | - | |
| User Interface | - | MIUI 8 | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | CAT S40 | Xiaomi Redmi 4X |
|---|
| 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 | |
| 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 8, Band 20 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
| Bluetooth Profiles | - | HID | |
| NFC | Yes | - | CAT S40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S40 | Xiaomi Redmi 4X |
|---|
| 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, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, VP8, VP9, H.265 | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 |
| FEATURES | CAT S40 | Xiaomi Redmi 4X |
|---|
| 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, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, gyro 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 4X |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | - | |
| Max Operating Temperature | 55 °C | - | |
| Min Operating Temperature | -25 °C | - |
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