In depth comparison and review of Xiaomi Redmi 9 and Alcatel 1S (2021). 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 9 | Alcatel 1S (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 163.32 mm | 165.64 mm | Alcatel 1S (2021) has greater height than Xiaomi Redmi 9. |
| Width | 77.01 mm | 75.59 mm | Xiaomi Redmi 9 has greater width than Alcatel 1S (2021). |
| Depth | 9.1 mm | 8.8 mm | Alcatel 1S (2021) is narrower than Xiaomi Redmi 9. |
| Weight | 198 g | 190 g | Alcatel 1S (2021) is lighter than Xiaomi Redmi 9. |
| Body Colour | Carbon grey | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) | 2.99 W/kg (limb), 1.42 W/kg (body), 0.42 W/kg (head) | |
| Integrated Components | Ultra-linear speaker | - | |
| Connector Type | USB Type-C - 24 pin USB-C 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 6.53" | 6.52" | Xiaomi Redmi 9 has larger screen size than Alcatel 1S (2021). |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi 9 has better screen resolution than Alcatel 1S (2021). |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 394 ppi | - | |
| Aspect Ratio | 19.5:9 | 20:9 | |
| Max Brightness | 400 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Enhancement Technology | Sunlight mode | - | |
| Display Features | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | 2.5D Glass, Reading mode, Dark mode, Vast Display, One-handed Mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| Processor Type (CPU) | MediaTek Helio G80 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MTK6762D | |
| Clock Speed | 2 GHz | 1.8 GHz | Xiaomi Redmi 9 has higher clock speed than Alcatel 1S (2021). |
| 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 | IMG GE8320 |
| MEMORY | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 3 GB | Xiaomi Redmi 9 has more RAM than Alcatel 1S (2021). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Xiaomi Redmi 9 has more internal memory than Alcatel 1S (2021). |
| User Memory | - | 17 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/3.06" | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/2.0 | Alcatel 1S (2021) has better lens aperture than Xiaomi Redmi 9. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | 75.2 degree(s) | 77.1 degree(s) | Alcatel 1S (2021) has larger lens field of view than Xiaomi Redmi 9. |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, Kaleidoscope | HDR | |
| Camera Modes | Portrait mode | Panorama, Pro mode, Best Shot, Bokeh Mode, Light Trace | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1S (2021) has face detection. |
| Light Source | Flash | Single tone LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI scene detection, AI Composition, AI Filter, Smart Album |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi Redmi 9 has better second camera resolution than Alcatel 1S (2021). |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Xiaomi Redmi 9 has better second camera lens aperture than Xiaomi Redmi 9. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | 118 degree(s) | 87.3 degree(s) | Xiaomi Redmi 9 has larger second camera lens field of view than Alcatel 1S (2021). |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | - | Depth camera | |
| Camera Features (2nd Camera) | - | 3-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Xiaomi Redmi 9 has higher resolution third camera than Alcatel 1S (2021). |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 84 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.65 μm | |
| Camera Functions (3rd Camera) | Macro 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 | 5 Megapixel | Xiaomi Redmi 9 has better front camera resolution than Alcatel 1S (2021). |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Xiaomi Redmi 9 has better front lens aperture than Xiaomi Redmi 9. |
| Field of View (Front) | 77.8 degree(s) | 76 degree(s) | Xiaomi Redmi 9 has larger front lens field of view than Alcatel 1S (2021). |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | HDR | Face Beautification | |
| Camera Modes (Front) | Portrait mode | Night mode, Bokeh Mode | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1S (2021) has face detection. |
| Light Source (Front) | Display flash | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | Self-timer, Palm shutter | - |
| BATTERY AND CHARGING | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 4000 mAh | Xiaomi Redmi 9 has larger battery capacity than Alcatel 1S (2021). |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 150 min | |
| Standby Time | - | 512 hours | |
| Talk Time | 1860 minutes | 1920 minutes | Alcatel 1S (2021) has longer battery life when making calls than Xiaomi Redmi 9. |
| 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 |
Standby (2G): up to 512 hrs Standby (3G): up to 488 hrs Standby (4G): up to 392 hrs Talk (4G): up to 1200 min Talk (2G): up to 1920 min |
| CELLULAR | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSPA+, LTE | |
|---|---|---|---|
| 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 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 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, H.264, ASP, MP4 | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| 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, digital compass, distance sensor, infrared (IR) sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| Additional Phone Features | Fast Charging, AI face unlock | Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button |
| OTHERS | Xiaomi Redmi 9 | Alcatel 1S (2021) |
|---|
| Included Accessories | SIM card removal tool, USB-C cable, TPU case, 10W charger | USB cable, power adapter, SIM card removal tool, LCD sticker |
|---|
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