In depth comparison and review of Lenovo S820 and Microsoft Surface Duo. 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 | Microsoft Surface Duo |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Folder - dual screen | |
| Height | 139.5 mm | 145.2 mm | Microsoft Surface Duo has greater height than Lenovo S820. |
| Width | 69.7 mm | 93.3 mm | Microsoft Surface Duo has greater width than Lenovo S820. |
| Depth | 9 mm | 9.9 mm | Lenovo S820 is narrower than Lenovo S820. |
| Weight | 143 g | 250 g | Lenovo S820 is lighter than Lenovo S820. |
| Dimensions Details | - | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | |
| Body Colour | Flamingo red | Glacier | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.572 W/kg (body) | 0.726 W/kg (head), 1.478 W/kg (body) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Lenovo S820 | Microsoft Surface Duo |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Foldable Display | - | Yes | |
| Display Design | - | Both directions folding | |
| Screen Size (Display Size) | 4.7" | 5.6" | Microsoft Surface Duo has larger screen size than Lenovo S820. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1800 x 1350 pixels | Microsoft Surface Duo has better screen resolution than Lenovo S820. |
| Display Format | HD | - | |
| Pixel Density | 312 ppi | 401 ppi | Microsoft Surface Duo has better pixel density than Lenovo S820. |
| Aspect Ratio | - | 4:3 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | PixelSense Fusion Displays | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 5.6" | |
| Second Display Resolution | - | 1800 x 1350 pixels |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | - | 8.1 in | |
|---|---|---|---|
| Unfolded Display Resolution | - | 2700 x 1800 pixels |
| PROCESSOR | Lenovo S820 | Microsoft Surface Duo |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Processor Number | MT6589 | - | |
| Clock Speed | 1.2 GHz | - | |
| Processor Core Qty | Quad-core | 8-core | Microsoft Surface Duo has higher processor core quantity than Lenovo S820. |
| Graphics System (GPU) | PowerVR SGX544 | - |
| MEMORY | Lenovo S820 | Microsoft Surface Duo |
|---|
| RAM | 1 GB | 6 GB | Microsoft Surface Duo has more RAM than Lenovo S820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 4 GB | 128 GB | Microsoft Surface Duo has more internal memory than Lenovo S820. |
| Memory Interface | - | UFS 3.0 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | - |
| CAMERA | Lenovo S820 | Microsoft Surface Duo |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 0 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | - | |
| Focus Adjustment | Automatic | - | |
| Face Recognition (Face ID) | Face detection | - | Lenovo S820 has face detection. |
| Light Source | LED light | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 11 Megapixel | Microsoft Surface Duo has better front camera resolution than Lenovo S820. |
| Lens Aperture (Front) | - | F/2.0 | |
| Field of View (Front) | - | 84 degree(s) | |
| Pixel Size (Front) | - | 1 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Burst mode, Panorama, low-light shots, Portrait mode with adjustable depth control | |
| Light Source (Front) | - | High CRI LED flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Front) | - | Phase Detect Auto-Focus (PDAF), FOV optimised with AI (for front and rear), dynamic range scene detection, Super-resolution zoom, super zoom up to 7x, gyro-based digital video stabilisation |
| BATTERY AND CHARGING | Lenovo S820 | Microsoft Surface Duo |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 3577 mAh | Microsoft Surface Duo has larger battery capacity than Lenovo S820. |
|---|---|---|---|
| Standby Time | 140 hours | 240 hours | Microsoft Surface Duo has longer standby time than Lenovo S820. |
| Talk Time | 1320 minutes | 1620 minutes | Microsoft Surface Duo 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: up to 240 hrs Talk: up to 1620 min Playback (local video): up to 15.5 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | Lenovo S820 | Microsoft Surface Duo |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Microsoft Surface Duo has more advanced generation mobile network. |
| Operating System | Android 4.2 (Jelly Bean) | Android 10 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Lenovo S820 | Microsoft Surface Duo |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | GPRS, FDD-LTE, TDD-LTE, LAA | |
|---|---|---|---|
| 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11ac | |
| Bluetooth | Bluetooth 3.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Lenovo S820 | Microsoft Surface Duo |
|---|
| Supported Digital Audio Standards | WAV, WMA, MP3, eAAC+ | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, WMV, H.264 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
| Sound Enhancements | - | Qualcomm aptX audio |
| FEATURES | Lenovo S820 | Microsoft Surface Duo |
|---|
| 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 | Proximity sensor, hall sensor, dual accelerometers, dual gyroscope, dual magnetometer, dual ambient light sensor | |
| Security Devices | - | Fingerprint reader (side) | |
| Additional Phone Features | Active noise-cancellation | MIMO technology, Fast Charging, dual microphones with noise suppression and echo cancellation, Full Duplex communication, 360° hinge, stylus support, two apps side-by-side |
| OTHERS | Lenovo S820 | Microsoft Surface Duo |
|---|
| Included Accessories | USB cable, power adapter | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) |
|---|
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