Microsoft Surface Duo 2 vs Microsoft Lumia 540 Dual SIM comparison
        
        
            
                
                    
                        | 
                                
                                
                             
                                
                                
                             |   
                                        
                                 |   | 
                
                
                    | key specs | 
| Display (Primary) | 5.80-inch | - | 
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 200 | 
| Front Camera | 12-megapixel | 5-megapixel | 
| Rear Camera | 12-megapixel + 16-megapixel + 12-megapixel | 8-megapixel | 
| RAM | 8GB | 1GB | 
| Storage | 128GB | 8GB | 
| Battery Capacity | 4449mAh | 2200mAh | 
| OS | Android 11 | Windows Phone 8.1 | 
| Resolution | 1344x1892 pixels | 720x1280 pixels | 
| Display | - | 5.00-inch | 
| general | 
| Brand | Microsoft | Microsoft | 
| Model | Surface Duo 2 | Lumia 540 Dual SIM | 
| Release date | September 22, 2021 | - | 
| Launched in India | No | - | 
| Form factor | Foldable | Touchscreen | 
| Dimensions (mm) | 145.20 x 92.10 x 11.00 | 144.00 x 73.69 x 9.37 | 
| Weight (g) | 284.00 | 152.00 | 
| Battery capacity (mAh) | 4449 | 2200 | 
| Fast charging | Proprietary | - | 
| Colours | Glacier, Obsidian | Cyan, Orange, White, Black | 
| Removable battery | - | Yes | 
| display | 
| Screen size (inches) | 5.80 | 5.00 | 
| Touchscreen | Yes | Yes | 
| Resolution | 1344x1892 pixels | 720x1280 pixels | 
| Protection type | Gorilla Glass | - | 
| Pixels per inch (PPI) | - | 294 | 
| second display | 
| Screen size (inches) | 5.80 | - | 
| Touchscreen | Yes | - | 
| Resolution | 1344x1892 pixels | - | 
| Protection type | Gorilla Glass | - | 
| hardware | 
| Processor | octa-core | 1.2GHz quad-core | 
| Processor make | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 200 | 
| RAM | 8GB | 1GB | 
| Internal storage | 128GB | 8GB | 
| Expandable storage | - | Yes | 
| Expandable storage type | - | microSD | 
| Expandable storage up to (GB) | - | 128 | 
| camera | 
| Rear camera | 12-megapixel (f/1.7, 1.4-micron) + 16-megapixel (f/2.2, 1.0-micron) + 12-megapixel (f/2.4, 1.0-micron) | 8-megapixel | 
| No. of Rear Cameras | 3 | - | 
| Rear autofocus | Yes | - | 
| Rear flash | Yes | LED | 
| Front camera | 12-megapixel (f/2.0, 1.0-micron) | 5-megapixel | 
| No. of Front Cameras | 1 | - | 
| software | 
| Operating system | Android 11 | Windows Phone 8.1 | 
| connectivity | 
| Wi-Fi | Yes | Yes | 
| Wi-Fi standards supported | 802.11 a/b/g/n/ac/ax | 802.11 b/g/n | 
| GPS | Yes | Yes | 
| Bluetooth | Yes, v 5.10 | Yes, v 4.00 | 
| NFC | Yes | No | 
| USB Type-C | Yes | - | 
| 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 | 
| Fingerprint sensor | Yes | - | 
| Compass/ Magnetometer | Yes | Yes | 
| Proximity sensor | Yes | Yes | 
| Accelerometer | Yes | Yes | 
| Ambient light sensor | Yes | Yes | 
| Gyroscope | Yes | 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 | - |  | 
| sim 1 | 
| SIM Type | - | Micro-SIM | 
| GSM/CDMA | - | GSM | 
| 3G | - | Yes | 
| 4G/ LTE | - | No | 
| sim 2 | 
| SIM Type | - | Micro-SIM | 
| GSM/CDMA | - | GSM | 
| 3G | - | Yes | 
| 4G/ LTE | - | No |