In depth comparison and review of CAT S40 and Xiaomi MI 8 Pro. 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 8 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 144.9 mm | 154.9 mm | Xiaomi MI 8 Pro has greater height than CAT S40. |
| Width | 74.1 mm | 74.8 mm | Xiaomi MI 8 Pro has greater width than CAT S40. |
| Depth | 12.5 mm | 7.6 mm | Xiaomi MI 8 Pro is narrower than CAT S40. |
| Weight | 185 g | 177 g | Xiaomi MI 8 Pro is lighter than CAT S40. |
| Body Colour | Black | Transparent titanium | |
| 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) | 1.531 W/kg (body), 0.969 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CAT S40 | Xiaomi MI 8 Pro |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 4.7" | 6.21" | Xiaomi MI 8 Pro has larger screen size than CAT S40. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 2248 x 1080 pixels | Xiaomi MI 8 Pro has better screen resolution than CAT S40. |
| Display Format | - | Full HD+ | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | - | 18.7:9 | |
| Max Brightness | - | 600 cd/m² | |
| Contrast Ratio | - | 60000:1 | |
| HDR | - | Yes | Xiaomi MI 8 Pro has HDR. |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | - | Always-on display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | CAT S40 | Xiaomi MI 8 Pro |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 845 AIE | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.1 GHz | 2.8 GHz | Xiaomi MI 8 Pro has higher clock speed than CAT S40. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi MI 8 Pro has higher processor core quantity than CAT S40. |
| 64-bit Architecture | - | Yes | Xiaomi MI 8 Pro has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 630 |
| MEMORY | CAT S40 | Xiaomi MI 8 Pro |
|---|
| RAM | 1 GB | LPDDR4X SDRAM - 8 GB | Xiaomi MI 8 Pro has more RAM than CAT S40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Xiaomi MI 8 Pro has more internal memory than CAT S40. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 64 GB | - |
| CAMERA | CAT S40 | Xiaomi MI 8 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 12 Megapixel | Xiaomi MI 8 Pro has better camera resolution than CAT S40. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | - | F/1.8 | |
| Optical Image Stabiliser (OIS) | - | 4-axis OIS (Optical Image Stabilisation) | Xiaomi MI 8 Pro has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | - | Burst mode, Panorama, low-light shots, portrait mode, AI Beautify, Portrait mode with background blurring | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI 8 Pro has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | |
| Camera Features (Functions) | - | Dual Pixel Autofocus technology, AI Dual camera, AI scene detection, AI Beautify, AI studio lighting, AI short video editing, AI high-res photos, AI Dynamic |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Features (2nd Camera) | - | Portrait lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 20 Megapixel | Xiaomi MI 8 Pro has better front camera resolution than CAT S40. |
| Special Effects (Front) | - | Mirror | |
| Camera Modes (Front) | - | AI portrait mode, 3D beauty mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI 8 Pro has face detection. |
| Camera Features (Front) | - | Self-timer, 3D Beautify |
| BATTERY AND CHARGING | CAT S40 | Xiaomi MI 8 Pro |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0+ | Xiaomi MI 8 Pro has fast charging technology. |
| 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 MI 8 Pro |
|---|
| 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) | - | |
| Payment Technology | - | Android Pay | |
| Navigation | GPS, A-GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | CAT S40 | Xiaomi MI 8 Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 34, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, TDD 2000, 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 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CAT S40 | Xiaomi MI 8 Pro |
|---|
| 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), apt-X, AMR-WB, AMR-NB, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, VP8, VP9, H.265 | MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | CAT S40 | Xiaomi MI 8 Pro |
|---|
| 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, digital compass, barometer, gyro sensor, hall sensor, Time of Flight (ToF), infrared (IR) sensor | |
| Security Devices | - | Fingerprint reader (under display), face recognition | |
| Security Technology | - | IR face unlock | |
| Additional Phone Features | TTY compatible, E-911 compliant, Face Unlock, Dual microphones, Wet Touchscreen Operation, Glove Touchscreen Operation | Face Unlock, MU-MIMO technology |
| OTHERS | CAT S40 | Xiaomi MI 8 Pro |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, soft protective case, 18W QC3.0 charger | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68 | - | |
| Max Operating Temperature | 55 °C | - | |
| Min Operating Temperature | -25 °C | - |
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