Samsung Galaxy S9 vs Samsung Galaxy S8 vs Samsung Galaxy A8 vs Apple iPhone 6 Plus comparison
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| ratings |
| Overall NDTV Rating | Read Review | Read Review | Read Review | Read Review |
| Design Rating | | | | |
| Display Rating | | | | |
| Software Rating | | | | |
| Performance Rating | | | | |
| Battery Life Rating | | | | |
| Camera Rating | | | | |
| Value for Money Rating | | | | |
| key specs |
| Display | 5.80-inch | 5.80-inch | 5.70-inch | 5.50-inch |
| Processor | Samsung Exynos 9810 | Samsung Exynos 8895 | Samsung Exynos 5430 | Apple A8 |
| Front Camera | 8-megapixel | 8-megapixel | 5-megapixel | 1.2-megapixel |
| Rear Camera | 12-megapixel | 12-megapixel | 16-megapixel | 8-megapixel |
| RAM | 4GB | 4GB | 2GB | 1GB |
| Storage | 64GB | 64GB | 32GB | 16GB |
| Battery Capacity | 3000mAh | 3000mAh | 3050mAh | 2915mAh |
| OS | Android 8.0 | Android 7.0 | Android 5.1.1 | iOS 8.0 |
| Resolution | 1440x2960 pixels | 1440x2960 pixels | 1080x1920 pixels | 1080x1920 pixels |
| general |
| Brand | Samsung | Samsung | Samsung | Apple |
| Model | Galaxy S9 | Galaxy S8 | Galaxy A8 | iPhone 6 Plus |
| Release date | March 1, 2018 | March 1, 2017 | July 1, 2015 | September 1, 2014 |
| Launched in India | Yes | Yes | - | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 147.70 x 68.70 x 8.50 | 148.90 x 68.10 x 8.00 | 158.00 x 76.80 x 5.90 | 158.10 x 77.80 x 7.10 |
| Weight (g) | 163.00 | 155.00 | 151.00 | 172.00 |
| Battery capacity (mAh) | 3000 | 3000 | 3050 | 2915 |
| Removable battery | No | No | No | No |
| Fast charging | Quick Charge 2.0 | Quick Charge 2.0 | - | - |
| Wireless charging | Yes | - | - | - |
| Colours | Lilac Purple, Midnight Black, Coral Blue | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold | Black, White, Gold | Silver, Gold, Space Gray |
| Alternate names | - | - | SM-A800F | - |
| SAR value | - | - | 0.10 | - |
| display |
| Screen size (inches) | 5.80 | 5.80 | 5.70 | 5.50 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1440x2960 pixels | 1440x2960 pixels | 1080x1920 pixels | 1080x1920 pixels |
| Protection type | Gorilla Glass | Gorilla Glass | - | - |
| Aspect ratio | 18.5:9 | 18.5:9 | - | - |
| Pixels per inch (PPI) | 568 | 570 | 386 | 401 |
| hardware |
| Processor | octa-core (4x2.7GHz + 4x1.7GHz) | octa-core (4x2.35GHz + 4x1.9GHz) | 1.8GHz octa-core | one-core |
| Processor make | Samsung Exynos 9810 | Samsung Exynos 8895 | Samsung Exynos 5430 | Apple A8 |
| RAM | 4GB | 4GB | 2GB | 1GB |
| Internal storage | 64GB | 64GB | 32GB | 16GB |
| Expandable storage | Yes | Yes | Yes | No |
| Expandable storage type | microSD | microSD | microSD | - |
| Expandable storage up to (GB) | 400 | 256 | 128 | - |
| camera |
| Rear camera | 12-megapixel (1.4-micron) | 12-megapixel (f/1.7, 1.4-micron) | 16-megapixel | 8-megapixel |
| Rear autofocus | Phase detection autofocus | Phase detection autofocus | - | - |
| Rear flash | LED | Dual LED | LED | Dual LED |
| Front camera | 8-megapixel (f/1.7, 1.22-micron) | 8-megapixel (f/1.7, 1.22-micron) | 5-megapixel | 1.2-megapixel |
| Front autofocus | Yes | Yes | - | - |
| Front flash | No | - | - | - |
| software |
| Operating system | Android 8.0 | Android 7.0 | Android 5.1.1 | iOS 8.0 |
| Skin | Experience 9.0 | - | TouchWiz UI | - |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 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 | Yes, v 4.10 | Yes, v 4.20 |
| NFC | Yes | Yes | No | Yes |
| USB OTG | Yes | No | Yes | No |
| USB Type-C | Yes | Yes | - | - |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | No | No | Yes | No |
| Number of SIMs | 2 | 1 | 2 | 1 |
| Wi-Fi Direct | Yes | No | No | No |
| Infrared | - | No | No | No |
| Mobile High-Definition Link (MHL) | - | No | No | No |
| sim 1 |
| SIM Type | Nano-SIM | - | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM + CDMA | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | - | Nano-SIM | - |
| GSM/CDMA | GSM | - | GSM + CDMA | - |
| 3G | Yes | - | Yes | - |
| 4G/ LTE | Yes | - | Yes | - |
| sensors |
| Face unlock | Yes | - | - | - |
| Fingerprint sensor | Yes | Yes | - | - |
| Compass/ Magnetometer | Yes | Yes | Yes | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | Yes | Yes | No | Yes |
| Barometer | Yes | Yes | No | Yes |
| Temperature sensor | - | No | No | No |