In depth comparison and review of Lenovo S820 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 | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 139.5 mm | 165.64 mm | Alcatel 1S (2021) has greater height than Lenovo S820. |
| Width | 69.7 mm | 75.59 mm | Alcatel 1S (2021) has greater width than Lenovo S820. |
| Depth | 9 mm | 8.8 mm | Alcatel 1S (2021) is narrower than Lenovo S820. |
| Weight | 143 g | 190 g | Lenovo S820 is lighter than Lenovo S820. |
| Body Colour | Flamingo red | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.572 W/kg (body) | 2.99 W/kg (limb), 1.42 W/kg (body), 0.42 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 4.7" | 6.52" | Alcatel 1S (2021) has larger screen size than Lenovo S820. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | Alcatel 1S (2021) has better screen resolution than Lenovo S820. |
| Display Format | HD | HD+ | |
| Pixel Density | 312 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | 2.5D Glass, Reading mode, Dark mode, Vast Display, One-handed Mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Processor Type (CPU) | MediaTek | MediaTek | |
|---|---|---|---|
| Processor Number | MT6589 | MTK6762D | |
| Clock Speed | 1.2 GHz | 1.8 GHz | Alcatel 1S (2021) has higher clock speed than Lenovo S820. |
| Processor Core Qty | Quad-core | 8-core | Alcatel 1S (2021) has higher processor core quantity than Lenovo S820. |
| Graphics System (GPU) | PowerVR SGX544 | IMG GE8320 |
| MEMORY | Lenovo S820 | Alcatel 1S (2021) |
|---|
| RAM | 1 GB | 3 GB | Alcatel 1S (2021) has more RAM than Lenovo S820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 4 GB | 32 GB | Alcatel 1S (2021) has more internal memory than Lenovo S820. |
| User Memory | - | 17 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Lenovo S820 | Alcatel 1S (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Alcatel 1S (2021) has better camera resolution than Lenovo S820. |
| Sensor Size | - | 1/3.06" | |
| Lens Aperture | - | F/2.0 | |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | - | 77.1 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | - | Panorama, Pro mode, Best Shot, Bokeh Mode, Light Trace | |
| Face Recognition (Face ID) | Face detection | Face tracking | Both phones have face detection. |
| Light Source | LED light | Single tone LED flash | |
| Video Resolutions | - | 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) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | - | 87.3 degree(s) | |
| 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) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| 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 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 5 Megapixel | Alcatel 1S (2021) has better front camera resolution than Lenovo S820. |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | - | F/2.2 | |
| Field of View (Front) | - | 76 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | Face Beautification | |
| Camera Modes (Front) | - | Night mode, Bokeh Mode | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1S (2021) has face detection. |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps |
| BATTERY AND CHARGING | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 4000 mAh | Alcatel 1S (2021) has larger battery capacity than Lenovo S820. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 150 min | |
| Standby Time | 140 hours | 512 hours | Alcatel 1S (2021) has longer standby time than Lenovo S820. |
| Talk Time | 1320 minutes | 1920 minutes | Alcatel 1S (2021) has longer battery life when making calls than Lenovo S820. |
| Run Time Details | Talk (GSM): up to 1320 min Talk (WCDMA): up to 600 min Standby (GSM): up to 140 hrs Standby (WCDMA): up to 140 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 | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Alcatel 1S (2021) has more advanced generation mobile network. |
| Operating System | Android 4.2 (Jelly Bean) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | - | 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 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 | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 3.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Supported Digital Audio Standards | WAV, WMA, MP3, eAAC+ | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, WMV, H.264 | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| Additional Phone Features | Active noise-cancellation | Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button |
| OTHERS | Lenovo S820 | Alcatel 1S (2021) |
|---|
| Included Accessories | USB cable, power adapter | USB cable, power adapter, SIM card removal tool, LCD sticker |
|---|
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