In depth comparison and review of Xiaomi Redmi Note 9 Pro 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 Note 9 Pro | Alcatel 1S (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.75 mm | 165.64 mm | Xiaomi Redmi Note 9 Pro has greater height than Alcatel 1S (2021). |
| Width | 76.68 mm | 75.59 mm | Xiaomi Redmi Note 9 Pro has greater width than Alcatel 1S (2021). |
| Depth | 8.8 mm | 8.8 mm | Both phones are the same depth. |
| Weight | 209 g | 190 g | Alcatel 1S (2021) is lighter than Xiaomi Redmi Note 9 Pro. |
| Body Colour | Interstellar grey | Tropical green | - | |
| Body Material | Curved 3D glass, Gorilla glass 5 | - | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 2.07 W/kg (limb), 1.021 W/kg (body), 0.662 W/kg (head) | 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 Note 9 Pro | Alcatel 1S (2021) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 6.67" | 6.52" | Xiaomi Redmi Note 9 Pro has larger screen size than Alcatel 1S (2021). |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi Note 9 Pro has better screen resolution than Alcatel 1S (2021). |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 450 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Features | Reading mode 2.0, Dot Display | 2.5D Glass, Reading mode, Dark mode, Vast Display, One-handed Mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Xiaomi Redmi Note 9 Pro | Alcatel 1S (2021) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 720G | MediaTek | |
|---|---|---|---|
| Processor Number | - | MTK6762D | |
| Clock Speed | 2.3 GHz | 1.8 GHz | Xiaomi Redmi Note 9 Pro 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 Note 9 Pro has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 618 | IMG GE8320 |
| MEMORY | Xiaomi Redmi Note 9 Pro | Alcatel 1S (2021) |
|---|
| RAM | 6 GB | 3 GB | Xiaomi Redmi Note 9 Pro has more RAM than Alcatel 1S (2021). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Xiaomi Redmi Note 9 Pro has more internal memory than Alcatel 1S (2021). |
| User Memory | - | 17 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Xiaomi Redmi Note 9 Pro | Alcatel 1S (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9 Pro has better camera resolution than Alcatel 1S (2021). |
| Sensor Size | 1/1.72" | 1/3.06" | Alcatel 1S (2021) has better camera sensor size than Xiaomi Redmi Note 9 Pro. |
| Lens Aperture | F/1.89 | F/2.0 | Xiaomi Redmi Note 9 Pro has better lens aperture than Xiaomi Redmi Note 9 Pro. |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | 79.8 degree(s) | 77.1 degree(s) | Xiaomi Redmi Note 9 Pro has larger lens field of view than Alcatel 1S (2021). |
| Pixel Size | 0.8 μm | 1.12 μm | Alcatel 1S (2021) has larger camera pixel size than Xiaomi Redmi Note 9 Pro. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, Kaleidoscope | HDR | |
| Camera Modes | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | Panorama, Pro mode, Best Shot, Bokeh Mode, Light Trace | |
| Face Recognition (Face ID) | Face recognition | Face tracking | Both phones have face detection. |
| Light Source | Flash | Single tone LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, AI Quad camera, Steady handheld night photography, full screen frame, AI watermark | 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 Note 9 Pro has better second camera resolution than Alcatel 1S (2021). |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4" | 1/5" | Alcatel 1S (2021) has better second camera sensor size than Xiaomi Redmi Note 9 Pro. |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Xiaomi Redmi Note 9 Pro has better second camera lens aperture than Xiaomi Redmi Note 9 Pro. |
| Lens Element Qty (2nd Camera) | 5-element | 3-element | |
| Field of View (2nd Camera) | 119 degree(s) | 87.3 degree(s) | Xiaomi Redmi Note 9 Pro has larger second camera lens field of view than Alcatel 1S (2021). |
| Pixel Size (2nd Camera) | 1.12 μm | 1.12 μm | Both phones have the same second camera pixel size. |
| Camera Functions (2nd Camera) | - | Depth camera | |
| Camera Features (2nd Camera) | 5-piece lens | 3-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Xiaomi Redmi Note 9 Pro has higher resolution third camera than Alcatel 1S (2021). |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | 1/5" | Both phones have the same third camera sensor size. |
| 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) | 1.12 μm | 1.65 μm | Alcatel 1S (2021) has larger third camera pixel size than Xiaomi Redmi Note 9 Pro. |
| Camera Functions (3rd Camera) | Macro camera | Macro camera | |
| Camera Features (3rd Camera) | AF (2cm-10cm) | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | Xiaomi Redmi Note 9 Pro has better front camera resolution than Alcatel 1S (2021). |
| Sensor Size (Front) | 1/3.06" | 1/5" | Alcatel 1S (2021) has better front camera sensor size than Xiaomi Redmi Note 9 Pro. |
| Lens Aperture (Front) | F/2.48 | F/2.2 | Alcatel 1S (2021) has better front lens aperture than Xiaomi Redmi Note 9 Pro. |
| Field of View (Front) | 82.4 degree(s) | 76 degree(s) | Xiaomi Redmi Note 9 Pro has larger front lens field of view than Alcatel 1S (2021). |
| Pixel Size (Front) | 1 μm | 1.12 μm | Alcatel 1S (2021) has larger front camera pixel size than Xiaomi Redmi Note 9 Pro. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | Face Beautification | |
| Camera Modes (Front) | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | Night mode, Bokeh Mode | |
| Face Recognition (Face ID) | Face recognition | Face tracking | Both phones have face detection. |
| Light Source (Front) | Display flash | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | AI scene detection, Palm shutter, AI silhouette detection | - |
| BATTERY AND CHARGING | Xiaomi Redmi Note 9 Pro | Alcatel 1S (2021) |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 4000 mAh | Xiaomi Redmi Note 9 Pro has larger battery capacity than Alcatel 1S (2021). |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0 | - | Xiaomi Redmi Note 9 Pro has fast charging technology. |
| Recharge Time (Charging Time) | - | 150 min | |
| Standby Time | - | 512 hours | |
| Talk Time | 1980 minutes | 1920 minutes | Xiaomi Redmi Note 9 Pro has longer battery life when making calls than Alcatel 1S (2021). |
| Run Time Details | Talk: up to 1980 min Gaming: up to 13 hrs Playback (Music): up to 147 hrs Navigation: up to 16 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 |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi Redmi Note 9 Pro | 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 10 | Android 11 | |
| User Interface | MIUI 11 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi Note 9 Pro | 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, 1900 GSM, 2100 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 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 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Xiaomi Redmi Note 9 Pro has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi Note 9 Pro | Alcatel 1S (2021) |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, M4V, MP4 | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC | |
| Audio Amplifier | Smart PA | - |
| FEATURES | Xiaomi Redmi Note 9 Pro | 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, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| Additional Phone Features | Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor | Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button |
| OTHERS | Xiaomi Redmi Note 9 Pro | Alcatel 1S (2021) |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, 33W charger | USB cable, power adapter, SIM card removal tool, LCD sticker | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Low Blue Light Certification | - |
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