In depth comparison and review of Xiaomi Redmi Note 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 Note 9 | Alcatel 1S (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 162.3 mm | 165.64 mm | Alcatel 1S (2021) has greater height than Xiaomi Redmi Note 9. |
| Width | 77.2 mm | 75.59 mm | Xiaomi Redmi Note 9 has greater width than Alcatel 1S (2021). |
| Depth | 8.9 mm | 8.8 mm | Alcatel 1S (2021) is narrower than Xiaomi Redmi Note 9. |
| Weight | 199 g | 190 g | Alcatel 1S (2021) is lighter than Xiaomi Redmi Note 9. |
| Body Colour | Forest green | - | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 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 | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi Note 9 | Alcatel 1S (2021) |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 6.53" | 6.52" | Xiaomi Redmi Note 9 has larger screen size than Alcatel 1S (2021). |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Xiaomi Redmi Note 9 has better screen resolution than Alcatel 1S (2021). |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | 19.5:9 | 20:9 | |
| Max Brightness | 450 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Features | Reading mode 2.0, Dot Display, Full Screen gestures | 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 | Alcatel 1S (2021) |
|---|
| Processor Type (CPU) | MediaTek Helio G85 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MTK6762D | |
| Clock Speed | 2 GHz | 1.8 GHz | Xiaomi Redmi Note 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. |
| Graphics System (GPU) | ARM G52 MC2 | IMG GE8320 |
| MEMORY | Xiaomi Redmi Note 9 | Alcatel 1S (2021) |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Xiaomi Redmi Note 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 Note 9 | Alcatel 1S (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9 has better camera resolution than Alcatel 1S (2021). |
| Sensor Size | 1/2" | 1/3.06" | Alcatel 1S (2021) has better camera sensor size than Xiaomi Redmi Note 9. |
| Lens Aperture | F/1.79 | F/2.0 | Xiaomi Redmi Note 9 has better lens aperture than Xiaomi Redmi Note 9. |
| Lens Construction | 6-element | 5-element | |
| Field of View (FoV) | 79.4 degree(s) | 77.1 degree(s) | Xiaomi Redmi Note 9 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. |
| 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 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 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, 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 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. |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Xiaomi Redmi Note 9 has better second camera lens aperture than Xiaomi Redmi Note 9. |
| Lens Element Qty (2nd Camera) | 5-element | 3-element | |
| Field of View (2nd Camera) | 118 degree(s) | 87.3 degree(s) | Xiaomi Redmi Note 9 has larger second camera lens field of view than Alcatel 1S (2021). |
| Pixel Size (2nd Camera) | 1.2 μm | 1.12 μm | Xiaomi Redmi Note 9 has larger second camera pixel size than Alcatel 1S (2021). |
| Camera Functions (2nd Camera) | - | Depth camera | |
| Camera Features (2nd Camera) | 5-piece lens | 3-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| 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) | 1.75 μm | 1.65 μm | Xiaomi Redmi Note 9 has larger third camera pixel size than Alcatel 1S (2021). |
| 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 | - | |
| Lens Element Qty (4th Camera) | 3-element | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 5 Megapixel | Xiaomi Redmi Note 9 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. |
| Lens Aperture (Front) | F/2.25 | F/2.2 | Alcatel 1S (2021) has better front lens aperture than Xiaomi Redmi Note 9. |
| Lens Element Qty (Front) | 5-element | - | |
| Field of View (Front) | 74 degree(s) | 76 degree(s) | Alcatel 1S (2021) has larger front lens field of view than Xiaomi Redmi Note 9. |
| Pixel Size (Front) | 1.12 μm | 1.12 μm | Both phones have the same front camera pixel size. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | Face Beautification | |
| Camera Modes (Front) | Panoramic selfies, AI portrait mode, AI Beautify | 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) | Palm shutter, AI silhouette detection | - |
| BATTERY AND CHARGING | Xiaomi Redmi Note 9 | Alcatel 1S (2021) |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 4000 mAh | Xiaomi Redmi Note 9 has larger battery capacity than Alcatel 1S (2021). |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 150 min | |
| Standby Time | - | 512 hours | |
| Talk Time | 1980 minutes | 1920 minutes | Xiaomi Redmi Note 9 has longer battery life when making calls than Alcatel 1S (2021). |
| Run Time Details | Talk: up to 1980 min Gaming: up to 16 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 polymer | - |
| CELLULAR | Xiaomi Redmi Note 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, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi Note 9 | Alcatel 1S (2021) |
|---|
| Data Transmission | 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 |
| MEDIA | Xiaomi Redmi Note 9 | 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 | 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, proximity sensor, digital compass, gyro 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 | Infrared remote control, HyperEngine technology | Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button |
| OTHERS | Xiaomi Redmi Note 9 | Alcatel 1S (2021) |
|---|
| Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable | USB cable, power adapter, SIM card removal tool, LCD sticker | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Low Blue Light Certification | - |
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