Side by side comparison and review of Xiaomi Redmi 9 and CAT S53. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Xiaomi Redmi 9 | CAT S53 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 163.32 mm | 171 mm | CAT S53 has greater height than Xiaomi Redmi 9. |
| Width | 77.01 mm | 81 mm | CAT S53 has greater width than Xiaomi Redmi 9. |
| Depth | 9.1 mm | 16 mm | Xiaomi Redmi 9 is narrower than Xiaomi Redmi 9. |
| Weight | 198 g | 320 g | Xiaomi Redmi 9 is lighter than Xiaomi Redmi 9. |
| Body Colour | Carbon grey | - | |
| Protection | - | Shockproof, dustproof, waterproof, sandproof, dirtproof, drop-proof, vibration-resistant, temperature protection, salt mist protection, bleach resistant | |
| Waterproof (Water-resistant) | - | Yes | CAT S53 is waterproof. |
| IP rating | - | IP68, IP69K, IP69 | |
| SAR Value | 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) | - | |
| Integrated Components | Ultra-linear speaker | LED flashlight | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi 9 | CAT S53 |
|---|
| Screen Size (Display Size) | 6.53" | 6.5" | Xiaomi Redmi 9 has larger screen size than CAT S53. |
|---|---|---|---|
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi 9 has better screen resolution than CAT S53. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 394 ppi | - | |
| Aspect Ratio | 19.5:9 | - | |
| Max Brightness | 400 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Enhancement Technology | Sunlight mode | Super Bright Display | |
| Display Features | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | Glove & Wet Touch | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Scratch-resistant glass, tempered glass |
| PROCESSOR | Xiaomi Redmi 9 | CAT S53 |
|---|
| Processor Type (CPU) | MediaTek Helio G80 | Qualcomm Snapdragon 480 5G | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 9 has 64-bit architecture. |
| Graphics System (GPU) | Mali-G52 MC2 | - |
| MEMORY | Xiaomi Redmi 9 | CAT S53 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 6 GB | CAT S53 has more RAM than Xiaomi Redmi 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | CAT S53 has more internal memory than Xiaomi Redmi 9. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSD |
| CAMERA | Xiaomi Redmi 9 | CAT S53 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | CAT S53 has better camera resolution than Xiaomi Redmi 9. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/1.79 | CAT S53 has better lens aperture than Xiaomi Redmi 9. |
| Field of View (FoV) | 75.2 degree(s) | - | |
| Focus Adjustment | Automatic | - | |
| Special Effects | HDR, Kaleidoscope | - | |
| Camera Modes | Portrait mode | - | |
| Light Source | Flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi Redmi 9 has better second camera resolution than CAT S53. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 118 degree(s) | - | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Camera Functions (3rd Camera) | Macro camera | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 16 Megapixel | CAT S53 has better front camera resolution than Xiaomi Redmi 9. |
| Lens Aperture (Front) | F/2.0 | - | |
| Field of View (Front) | 77.8 degree(s) | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Portrait mode | - | |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | Self-timer, Palm shutter | - |
| BATTERY AND CHARGING | Xiaomi Redmi 9 | CAT S53 |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 5500 mAh | CAT S53 has larger battery capacity than Xiaomi Redmi 9. |
|---|---|---|---|
| Wireless Charging | - | Yes | CAT S53 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Talk Time | 1860 minutes | - | |
| Run Time Details | Talk: up to 1860 min Continuous navigation: up to 19 hrs Playback (video): up to 19 hrs Playback (Music): up to 185 hrs |
- | |
| Battery Technology | - | Lithium polymer |
| CELLULAR | Xiaomi Redmi 9 | CAT S53 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | CAT S53 has more advanced generation mobile network. |
| Operating System | - | Android 11 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | - |
| COMMUNICATIONS | Xiaomi Redmi 9 | CAT S53 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | LTE, VoLTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n28, n41, n66, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | CAT S53 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi 9 | CAT S53 |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, H.264, ASP, MP4 | - |
| FEATURES | Xiaomi Redmi 9 | CAT S53 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, distance sensor, infrared (IR) sensor | - | |
| Security Devices | Face recognition, fingerprint reader | - | |
| Additional Phone Features | Fast Charging, AI face unlock | Fast Charging, 2 years of Security Updates, programmable push-to-talk button, Android Enterprise Zero-touch enrollment |
| OTHERS | Xiaomi Redmi 9 | CAT S53 |
|---|
| Included Accessories | SIM card removal tool, USB-C cable, TPU case, 10W charger | - | |
|---|---|---|---|
| Compliant Standards | - | IP68, IP69K, MIL-STD-810H | |
| Max Depth of Water Resistance | - | 1.5 m | |
| Max Height of Shock Resistance | - | 1.8 m | |
| Max Operating Temperature | - | 55 °C | |
| Min Operating Temperature | - | -25 °C |
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