In depth comparison and review of Xiaomi Redmi 9A and CAT S42. 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 | Xiaomi Redmi 9A | CAT S42 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 164.9 mm | 161.3 mm | Xiaomi Redmi 9A has greater height than CAT S42. |
| Width | 77.07 mm | 77.2 mm | CAT S42 has greater width than Xiaomi Redmi 9A. |
| Depth | 9 mm | 12.7 mm | Xiaomi Redmi 9A is narrower than Xiaomi Redmi 9A. |
| Weight | 196 g | 220 g | Xiaomi Redmi 9A is lighter than Xiaomi Redmi 9A. |
| Body Colour | Sky blue | Granite grey | - | |
| Protection | - | Shockproof, dustproof, splashproof, waterproof, sandproof, dirtproof, drop-proof | |
| Waterproof (Water-resistant) | - | Yes | CAT S42 is waterproof. |
| IP rating | - | IP68, IP69 | |
| SAR Value | 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb) | 0.947 W/kg (head), 1.206 W/kg (body), 2.029 W/kg (limb) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi 9A | CAT S42 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 6.53" | 5.5" | Xiaomi Redmi 9A has larger screen size than CAT S42. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1440 x 720 pixels | Xiaomi Redmi 9A has better screen resolution than CAT S42. |
| Display Format | HD+ | HD+ | |
| Aspect Ratio | 20:9 | 18:9 | |
| Max Brightness | 400 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Enhancement Technology | Blue light filter, Sunlight mode | Super Bright Display | |
| Display Features | Reading mode, Colour temperature adjustment, Dot Drop display | - | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi 9A | CAT S42 |
|---|
| Processor Type (CPU) | MediaTek Helio G25 | MediaTek Helio A20 | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | Quad-core | Xiaomi Redmi 9A has higher processor core quantity than CAT S42. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 9A has 64-bit architecture. |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Xiaomi Redmi 9A | CAT S42 |
|---|
| RAM | LPDDR4X SDRAM - 2 GB | 3 GB | CAT S42 has more RAM than Xiaomi Redmi 9A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Xiaomi Redmi 9A | CAT S42 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | - | F/2.0 | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, Kaleidoscope | - | |
| Camera Modes | AI portrait mode, AI Beautify 5.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 9A has face detection. |
| Light Source | Single tone LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI scene detection | Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | - | |
| Pixel Size (Front) | 1.12 μm | - | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | AI portrait mode, Portrait, AI Beautify 5.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 9A has face detection. |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | Self-timer, Palm shutter | - |
| BATTERY AND CHARGING | Xiaomi Redmi 9A | CAT S42 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4200 mAh | Xiaomi Redmi 9A has larger battery capacity than CAT S42. |
|---|---|---|---|
| Standby Time | 816 hours | - | |
| Talk Time | 2280 minutes | - | |
| Run Time Details | Standby: up to 816 hrs Playback (audio): up to 168 hrs Talk: up to 2280 min Playback (video): up to 19 hrs Gaming: up to 14 hrs |
- | |
| Battery Technology | - | Lithium Ion |
| CELLULAR | Xiaomi Redmi 9A | CAT S42 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 10 | |
| Payment Technology | - | Android Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi 9A | CAT S42 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-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 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 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 20, Band 28 | |
| 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 800 DD, FDD 700 APT | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | CAT S42 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 9A | CAT S42 |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | - | |
| Sound Enhancements | 0.64cc Sound Chamber | - |
| FEATURES | Xiaomi Redmi 9A | CAT S42 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Face recognition | - | |
| Additional Phone Features | AI face unlock, HyperEngine technology | Wet Touchscreen Operation, Glove Touchscreen Operation |
| OTHERS | Xiaomi Redmi 9A | CAT S42 |
|---|
| Included Accessories | USB cable, SIM card removal tool, 10W charger | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP68, IP69 | |
| 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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