| Global Score | |
| 87.4 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | -- |
| 2015-04-11 | 2018-03-16 |
| 5.65 x 2.78 x 0.27 inches | 5.81 x 2.70 x 0.33 inches |
| 4.87 ounces | 5.75 ounces |
| Black, Blue, Gold and White | Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray |
| Aluminium and Glass | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | $ 158.00 |
| Display / Screen | |
| 5.1 inches | 5.8 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2960 x 1440 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 568 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8.9 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB (1600 MHz) RAM | 4 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 630 GPU |
| 10.08 | 9.54 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 400 GB) external memory slot |
| 10.1 | 11.34 |
| Camera | |
| 16.00 MP + 5.00 MP | 12.00 MP + 8.00 MP |
| f/1.90 aperture | f/1.50 aperture |
| 28.00mm focal length | -- |
| 0.38 inches (1/2.6") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.01 | 10.23 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2550mAh Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 4.56 | 4.96 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Galaxy S6 has a general score of 87.4, which is just a bit better than the Samsung Galaxy S9's 83.3 global score. Although the Galaxy S6 is a lot older than Samsung Galaxy S9, it's design is somewhat lighter and thinner. The Galaxy S6 features a sharper screen than Samsung Galaxy S9, because although it has a little bit worse 2560 x 1440 resolution and a little bit smaller display, it also counts with a little greater pixel density.
The Galaxy S6 features a bit faster processing unit than Galaxy S9, because although it has a smaller amount of RAM memory, and they both have a Octa-Core processing unit, the Galaxy S6 also counts with an additional graphics processing unit and a 64-bit processing unit. The Galaxy S9 has a slightly better camera than Galaxy S6, because although it has a back facing camera with lot less megapixels resolution and a worse 3840x2160 video quality, it also counts with a larger back camera sensor shooting better quality videos and photographs and a way bigger diafragm aperture to capture better captures and videos in low-light situations.
The Galaxy S9 features a better memory capacity for applications and games than Galaxy S6, because although it has less internal storage, it also counts with a SD memory card expansion slot that supports a maximum of 400 GB. The Samsung Galaxy S9 has a bit better battery lifetime than Samsung Galaxy S6, because it has an 18% more battery size.
Although Galaxy S6 is a better device, it is way more expensive than the Galaxy S9, and it doesn't have such a good relation between it's price and quality as Galaxy S9. If you are trying to save some money, you can get Galaxy S9, and give up a few features and specifications, but you'll get the most with your savings.
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