| Global Score | |
| 87.4 | 85.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | -- |
| 2015-04-11 | 2018-11-15 |
| 5.65 x 2.78 x 0.27 inches | 6.40 x 3.03 x 0.31 inches |
| 4.87 ounces | 6.46 ounces |
| Black, Blue, Gold and White | Bubblegum pink, Caviar black and Lemonade blue |
| Aluminium and Glass | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 252.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.3 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 392 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB (1600 MHz) RAM | 6 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 512 GPU |
| 10.08 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 16.00 MP + 5.00 MP | 24.00 MP + 24.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 28.00mm focal length | 27.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 10.01 | 10.45 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2550mAh Battery | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.56 | 5.76 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy S6 has a score of 87.4, which is a little bit better than the Galaxy A9 (2018)'s 85.2 general score. Samsung Galaxy S6's design is somewhat thinner and a lot lighter than Galaxy A9 (2018), despite of the fact that it was released many years before. Galaxy S6 counts with a lot better screen than Galaxy A9 (2018), because although it has a little bit smaller screen, it also counts with a higher resolution of 2560 x 1440 and more pixels per inch in the screen.
Galaxy A9 (2018) counts with a very superior storage for apps and games than Galaxy S6, and although they both have exactly the same 128 GB internal storage capacity, the Galaxy A9 (2018) also has an external memory slot that supports a maximum of 512 GB. Samsung Galaxy S6 counts with a bit more powerful processor than Samsung Galaxy A9 (2018), because although it has 3 GB less RAM memory, and they both have a Octa-Core CPU, the Samsung Galaxy S6 also counts with an extra graphics processing unit and a 64-bit CPU.
The Samsung Galaxy A9 (2018) features a very superior battery life than Galaxy S6, because it has a 3800mAh battery capacity instead of 2550mAh. Samsung Galaxy A9 (2018) has a little bit better camera than Samsung Galaxy S6, because although it has a smaller camera sensor taking less light and dull colors, and they both have the same video frame rate and the same 3840x2160 (4K) video definition, the Samsung Galaxy A9 (2018) also counts with a lot more mega-pixels camera and a bigger aperture.
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