Side by side comparison and review of Lenovo S820 and ASUS ZenFone 3 Ultra (ZU680KL). Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZU680KL | |
| Form Factor | Touch | Touch | |
| Height | 139.5 mm | 186.4 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater height than Lenovo S820. |
| Width | 69.7 mm | 93.9 mm | ASUS ZenFone 3 Ultra (ZU680KL) has greater width than Lenovo S820. |
| Depth | 9 mm | 6.8 mm | ASUS ZenFone 3 Ultra (ZU680KL) is narrower than Lenovo S820. |
| Weight | 143 g | 233 g | Lenovo S820 is lighter than Lenovo S820. |
| Body Colour | Flamingo red | Rose gold | Titanium grey | Glacier silver | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.572 W/kg (body) | - | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
HDMI - 19 pin micro HDMI Type D USB Type-C - 24 pin USB-C |
|
| 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 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 4.7" | 6.8" | ASUS ZenFone 3 Ultra (ZU680KL) has larger screen size than Lenovo S820. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1920 x 1080 pixels | ASUS ZenFone 3 Ultra (ZU680KL) has better screen resolution than Lenovo S820. |
| Display Format | HD | Full HD | |
| Pixel Density | 312 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | Full Lamination, ASUS Tru2Life+ | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 652 | |
|---|---|---|---|
| Processor Number | MT6589 | - | |
| Clock Speed | 1.2 GHz | 1.8 GHz | ASUS ZenFone 3 Ultra (ZU680KL) has higher clock speed than Lenovo S820. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | ASUS ZenFone 3 Ultra (ZU680KL) has 64-bit architecture. |
| Graphics System (GPU) | PowerVR SGX544 | Qualcomm ADRENO 510 |
| MEMORY | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| RAM | 1 GB | 3 GB | ASUS ZenFone 3 Ultra (ZU680KL) has more RAM than Lenovo S820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 4 GB | 32 GB | ASUS ZenFone 3 Ultra (ZU680KL) has more internal memory than Lenovo S820. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSDXC - up to 200 GB |
| CAMERA | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 23 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better camera resolution than Lenovo S820. |
| Lens Aperture | - | F/2.0 | |
| Lens Construction | - | 6-element | |
| Optical Image Stabiliser (OIS) | - | 4 Stop OIS (Optical Image Stabilisation) | ASUS ZenFone 3 Ultra (ZU680KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Special Effects | - | Depth of field | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | - | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | |
| Face Recognition (Face ID) | Face detection | - | Lenovo S820 has face detection. |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) | |
| Camera Features (Functions) | - | Sapphire crystal lens cover, GIF animation function, Phase Detect Auto-Focus (PDAF), ZenMotion, Smart Remove, Electronic Image Stabiliser (EIS), MiniMovie, Time Rewind |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 8 Megapixel | ASUS ZenFone 3 Ultra (ZU680KL) has better front camera resolution than Lenovo S820. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Focus Adjustment | - | Focus free | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Slow motion video, night mode, selfie panorama | |
| Camera Features (Front) | - | PixelMaster camera |
| BATTERY AND CHARGING | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 4600 mAh | ASUS ZenFone 3 Ultra (ZU680KL) has larger battery capacity than Lenovo S820. |
|---|---|---|---|
| Standby Time | 140 hours | - | |
| Talk Time | 1320 minutes | 2040 minutes | ASUS ZenFone 3 Ultra (ZU680KL) 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 |
Talk: up to 2040 min Continuous browsing (Wi-Fi): up to 14.5 hrs Playback (video): up to 12.5 hrs |
|
| Battery Technology | Lithium polymer | Lithium |
| CELLULAR | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | ASUS ZenFone 3 Ultra (ZU680KL) has more advanced generation mobile network. |
| Operating System | Android 4.2 (Jelly Bean) | Android 6.0 (Marshmallow) | |
| User Interface | - | ASUS ZenUI 3.0 | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| Wireless Interface | IEEE 802.11a/b/g/n | Infrared (IrDA), IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 3.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | A2DP | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Supported Digital Audio Standards | WAV, WMA, MP3, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, WMV, H.264 | - |
| FEATURES | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| 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, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Active noise-cancellation | QuickMemo function, Wi-Fi Miracast, Kids Mode, ASUS TruVivid technology, Power Saving Mode, Hi-Res Audio, ASUS BoostMaster technology, ASUS WebStorage (5GB), Google Drive Storage (100 GB) (free for 2 years), VisualMaster 3.0, DTS Headphone:X, ASUS SonicMaster 3.0 technology |
| OTHERS | Lenovo S820 | ASUS ZenFone 3 Ultra (ZU680KL) |
|---|
| Included Accessories | USB cable, power adapter | Power adapter |
|---|
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