| key specs |
| Display (Primary) | 7.30-inch | - | - | - |
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 675 | Samsung Exynos 7904 | Qualcomm Snapdragon 660 |
| Front Camera | 10-megapixel + 8-megapixel | 32-megapixel | 16-megapixel | 24-megapixel |
| Rear Camera | 16-megapixel + 12-megapixel + 12-megapixel | 48-megapixel + 8-megapixel + 5-megapixel | 13-megapixel + 5-megapixel + 5-megapixel | 16-megapixel + 24-megapixel |
| RAM | 12GB | 6GB | 4GB | 6GB |
| Storage | 512GB | 128GB | 64GB | 64GB |
| Battery Capacity | 4380mAh | 3700mAh | 5000mAh | 3700mAh |
| OS | Android Pie | Android Android 9.0 Pie | Android 8.1 Oreo | Android 8.0 |
| Resolution | 1536x2152 pixels | 1080x2340 pixels | 1080x2340 pixels | 1880x2220 pixels |
| Display | - | 6.39-inch | 6.40-inch | 6.28-inch |
| general |
| Brand | Samsung | Vivo | Samsung | Samsung |
| Model | Galaxy Fold | V15 Pro | Galaxy M30 | Galaxy A8 Star |
| Release date | February 1, 2019 | February 1, 2019 | February 1, 2019 | June 1, 2018 |
| Launched in India | Yes | Yes | Yes | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Body type | Metal | Plastic | - | - |
| Dimensions (mm) | 160.90 x 62.80 x 17.10 | 157.25 x 74.71 x 8.21 | - | 162.40 x 77.00 x 7.50 |
| Weight (g) | 276.00 | 185.00 | - | 188.00 |
| Battery capacity (mAh) | 4380 | 3700 | 5000 | 3700 |
| Removable battery | No | No | - | - |
| Fast charging | Quick Charge 2.0 | Proprietary | Proprietary | - |
| Wireless charging | Yes | No | - | - |
| Colours | Space Silver, Cosmos Black | Blue Topaz, Ruby Red | - | Black, White |
| display |
| Screen size (inches) | 7.30 | 6.39 | 6.40 | 6.28 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1536x2152 pixels | 1080x2340 pixels | 1080x2340 pixels | 1880x2220 pixels |
| Pixels per inch (PPI) | 326 | - | - | - |
| Aspect ratio | - | 19.5:9 | 19.5:9 | 18.5:9 |
| second display |
| Screen size (inches) | 4.60 | - | - | - |
| Touchscreen | Yes | - | - | - |
| Resolution | 720x1680 pixels | - | - | - |
| Pixels per inch (PPI) | 399 | - | - | - |
| hardware |
| Processor | 2.84GHz octa-core | 2GHz octa-core | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) | octa-core |
| Processor make | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 675 | Samsung Exynos 7904 | Qualcomm Snapdragon 660 |
| RAM | 12GB | 6GB | 4GB | 6GB |
| Internal storage | 512GB | 128GB | 64GB | 64GB |
| Expandable storage | No | Yes | Yes | Yes |
| Expandable storage type | - | microSD | microSD | microSD |
| Expandable storage up to (GB) | - | 256 | 512 | 256 |
| Dedicated microSD slot | - | Yes | Yes | - |
| camera |
| Rear camera | 16-megapixel (f/F2.2, 1.0-micron) + 12-megapixel (f/F1.5/F2.4, 1.4-micron) + 12-megapixel (f/F2.4, 1.0-micron) | 48-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2) | 16-megapixel (f/1.7) + 24-megapixel (f/1.7) |
| Rear autofocus | Yes | - | - | - |
| Rear flash | Yes | - | - | LED |
| Front camera | 10-megapixel (f/F2.2, 1.22-micron) + 8-megapixel (f/1.9, 1.12-micron) | 32-megapixel (f/2.0) | 16-megapixel (f/2.0) | 24-megapixel (f/2.0) |
| Pop-Up Camera | - | Yes | - | - |
| software |
| Operating system | Android Pie | Android Android 9.0 Pie | Android 8.1 Oreo | Android 8.0 |
| Skin | One UI | Funtouch OS 9 | Samsung Experience v9.5 | - |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac/ax | 802.11 a/b/g/n | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes, v 5.00 | Yes, v 5.00 |
| NFC | Yes | No | - | - |
| USB Type-C | Yes | - | Yes | Yes |
| Headphones | No | 3.5mm | - | - |
| Number of SIMs | 2 | 2 | 2 | 2 |
| Active 4G on both SIM cards | Yes | Yes | Yes | - |
| Micro-USB | - | Yes | Yes | - |
| FM | - | Yes | - | - |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | - |
| 3G | Yes | Yes | Yes | - |
| 4G/ LTE | Yes | Yes | Yes | - |
| GSM/CDMA | - | GSM | GSM | GSM + CDMA |
| sim 2 |
| SIM Type | eSIM | Nano-SIM | Nano-SIM | - |
| 3G | Yes | Yes | Yes | - |
| 4G/ LTE | Yes | Yes | Yes | - |
| GSM/CDMA | - | GSM | GSM | GSM + CDMA |
| sensors |
| Face unlock | Yes | Yes | Yes | Yes |
| Fingerprint sensor | Yes | Yes | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes | Yes | - |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | Yes | Yes | - | - |
| Barometer | Yes | - | - | - |
| ratings |
| Overall NDTV Rating | - | Read Review | Read Review | - |
| Design Rating | - | | | - |
| Display Rating | - | | | - |
| Software Rating | - | | | - |
| Performance Rating | - | | | - |
| Battery Life Rating | - | | | - |
| Camera Rating | - | | | - |
| Value for Money Rating | - | | | - |