Lenovo Legion Y90 vs Lenovo S660 comparison
        
        
            
                
                    
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                    | key specs | 
| Display | 6.90-inch | 4.70-inch | 
| Processor | 3GHz MHz octa-core | MediaTek MT6582M | 
| Front Camera | Unspecified | 0.3-megapixel | 
| Rear Camera | Unspecified | 8-megapixel | 
| RAM | 8GB | 1GB | 
| Storage | 128GB | 8GB | 
| Battery Capacity | 2650mAh | 3000mAh | 
| Resolution | 1,080x2,460 pixels | 540x960 pixels | 
| OS | - | Android 4.2 | 
| general | 
| Brand | Lenovo | Lenovo | 
| Model | Legion Y90 | S660 | 
| Launched in India | No | - | 
| Form factor | Touchscreen | Touchscreen | 
| Dimensions (mm) | 177.00 x 78.10 x 10.90 | 137.00 x 68.80 x 9.95 | 
| Weight (g) | 252.00 | 151.00 | 
| Battery capacity (mAh) | 2650 | 3000 | 
| Fast charging | Proprietary | - | 
| Colours | Black, Blue, Cyan, Gold, Green, Grey, Red, Silver, White | Black | 
| Release date | - | February 1, 2014 | 
| Removable battery | - | Yes | 
| display | 
| Screen size (inches) | 6.90 | 4.70 | 
| Touchscreen | Yes | Yes | 
| Resolution | 1,080x2,460 pixels | 540x960 pixels | 
| Pixels per inch (PPI) | - | 234 | 
| hardware | 
| Processor | 3GHz MHz octa-core | 1.3GHz quad-core | 
| RAM | 8GB | 1GB | 
| Internal storage | 128GB | 8GB | 
| Expandable storage | No | Yes | 
| Processor make | - | MediaTek MT6582M | 
| Expandable storage type | - | microSD | 
| Expandable storage up to (GB) | - | 32 | 
| camera | 
| Rear camera | Unspecified | 8-megapixel | 
| No. of Rear Cameras | 2 | - | 
| Front camera | Unspecified | 0.3-megapixel | 
| No. of Front Cameras | 1 | - | 
| Rear flash | - | LED | 
| connectivity | 
| Bluetooth | Yes | Yes, v 4.00 | 
| Wi-Fi | - | Yes | 
| Wi-Fi standards supported | - | 802.11 b/g/n | 
| GPS | - | Yes | 
| NFC | - | No | 
| Infrared | - | No | 
| USB OTG | - | No | 
| Headphones | - | 3.5mm | 
| FM | - | Yes | 
| Number of SIMs | - | 2 | 
| Wi-Fi Direct | - | No | 
| Mobile High-Definition Link (MHL) | - | No | 
| sensors | 
| In-Display Fingerprint Sensor | Yes | - | 
| Proximity sensor | Yes | Yes | 
| Ambient light sensor | Yes | Yes | 
| Compass/ Magnetometer | - | No | 
| Accelerometer | - | Yes | 
| Gyroscope | - | No | 
| Barometer | - | No | 
| Temperature sensor | - | No | 
| ratings | 
| Overall NDTV Rating | - | Read Review | 
| Design Rating | - |  | 
| Display Rating | - |  | 
| Software Rating | - |  | 
| Performance Rating | - |  | 
| Battery Life Rating | - |  | 
| Camera Rating | - |  | 
| Value for Money Rating | - |  | 
| software | 
| Operating system | - | Android 4.2 | 
| sim 1 | 
| GSM/CDMA | - | GSM | 
| 3G | - | Yes | 
| 4G/ LTE | - | No | 
| sim 2 | 
| GSM/CDMA | - | GSM | 
| 3G | - | Yes | 
| 4G/ LTE | - | No |