In depth comparison and review of Lenovo S820 and Alcatel 1 (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 1 (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | 5033DR | |
| Form Factor | Touch | Touch | |
| Height | 139.5 mm | 137.6 mm | Lenovo S820 has greater height than Alcatel 1 (2021). |
| Width | 69.7 mm | 65.7 mm | Lenovo S820 has greater width than Alcatel 1 (2021). |
| Depth | 9 mm | 9.8 mm | Lenovo S820 is narrower than Lenovo S820. |
| Weight | 143 g | 134 g | Alcatel 1 (2021) is lighter than Lenovo S820. |
| Body Colour | Flamingo red | Volcano black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.572 W/kg (body) | 1.63 W/kg (body), 0.91 W/kg (head), 3.49 W/kg (limb) | |
| Integrated Components | FM radio | LED flashlight | |
| 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 |
| DISPLAY | Lenovo S820 | Alcatel 1 (2021) |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 4.7" | 5" | Alcatel 1 (2021) has larger screen size than Lenovo S820. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 960 x 480 pixels | Lenovo S820 has better screen resolution than Alcatel 1 (2021). |
| Display Format | HD | FWVGA+ | |
| Pixel Density | 312 ppi | - | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Eye comfort mode | |
| Display Features | - | FullView Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | AGS Asahi Glass |
| PROCESSOR | Lenovo S820 | Alcatel 1 (2021) |
|---|
| Processor Type (CPU) | MediaTek | MediaTek | |
|---|---|---|---|
| Processor Number | MT6589 | MT6739 | |
| Clock Speed | 1.2 GHz | 1.28 GHz | Alcatel 1 (2021) has higher clock speed than Lenovo S820. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | PowerVR SGX544 | IMG GE8100 |
| MEMORY | Lenovo S820 | Alcatel 1 (2021) |
|---|
| RAM | 1 GB | 1 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 4 GB | 8 GB | Alcatel 1 (2021) has more internal memory than Lenovo S820. |
| User Memory | - | 5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSD - up to 32 GB |
| CAMERA | Lenovo S820 | Alcatel 1 (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 5 Megapixel | Lenovo S820 has better camera resolution than Alcatel 1 (2021). |
| Sensor Size | - | 1/5" | |
| Lens Aperture | - | F/2.4 | |
| Lens Construction | - | 3-element | |
| Field of View (FoV) | - | 76 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Focus free | |
| Face Recognition (Face ID) | Face detection | Face tracking | Both phones have face detection. |
| Light Source | LED light | - | |
| Video Resolutions | - | 1280 x 720 (720p) at 30 fps |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 2 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | - | F/2.8 | |
| Lens Element Qty (Front) | - | 2-element | |
| Field of View (Front) | - | 61 degree(s) | |
| Pixel Size (Front) | - | 1.75 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | Photo booth, Instant Collage, Social Square | |
| Camera Modes (Front) | - | One-handed mode, Social Mode | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1 (2021) has face detection. |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | Lenovo S820 | Alcatel 1 (2021) |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 2000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.4 hour(s) | |
| Standby Time | 140 hours | 310 hours | Alcatel 1 (2021) has longer standby time than Lenovo S820. |
| Talk Time | 1320 minutes | 1020 minutes | Lenovo S820 has longer battery life when making calls than Alcatel 1 (2021). |
| 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 310 hrs Standby (3G): up to 300 hrs Standby (4G): up to 210 hrs Talk (2G): up to 1020 min Talk (3G): up to 660 min Talk (4G): up to 480 min |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | Lenovo S820 | Alcatel 1 (2021) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Alcatel 1 (2021) has more advanced generation mobile network. |
| Operating System | Android 4.2 (Jelly Bean) | Android 11 (Go edition) | |
| Navigation | GPS, A-GPS | GPS |
| COMMUNICATIONS | Lenovo S820 | Alcatel 1 (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 7, Band 8, Band 20 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 3.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Lenovo S820 | Alcatel 1 (2021) |
|---|
| Supported Digital Audio Standards | WAV, WMA, MP3, eAAC+ | WAV, AAC, AMR, MP3, FLAC, AAC +, MIDI, APE (Monkey's Audio), Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, WMV, H.264 | MPEG-2, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | Lenovo S820 | Alcatel 1 (2021) |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor | |
| Additional Phone Features | Active noise-cancellation | Smart Manager |
| OTHERS | Lenovo S820 | Alcatel 1 (2021) |
|---|
| Included Accessories | USB cable, power adapter | - |
|---|
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