| Global Score | |
| 87.4 | 83 |
| Basic Information | |
| Samsung | Asus |
| Android 5.0 | Android 11 |
| 2015-04-11 | 2021-05-13 |
| 5.65 x 2.78 x 0.27 inches | 5.83 x 2.70 x 0.35 inches |
| 4.87 ounces | 5.96 ounces |
| Black, Blue, Gold and White | Horizon Silver and Obsidian Black |
| Aluminium and Glass | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | -- |
| Display / Screen | |
| 5.1 inches | 5.9 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 576 pixels per inch | 446 pixels per inch |
| -- | 1100 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 9.2 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB (1600 MHz) RAM | 6 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 660 GPU |
| 10.08 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 16.00 MP + 5.00 MP | 64.00 MP + 12.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | 27.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.01 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 2550mAh Battery | 4000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.56 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.2, EDR |
| 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 |
Galaxy S6 is a bit better than Asus ZenFone 8, having an 87.4 score against 83. Galaxy S6 is an older phone than Asus ZenFone 8, but it's thinner and somewhat lighter anyway. Both phones in this review come with Android operating system, but the Galaxy S6 has an older 5.0 version while Asus ZenFone 8 has Android 11 version.
The Samsung Galaxy S6 has a bit better performance than Asus ZenFone 8, because although it has a smaller amount of RAM, and they both have the same number of cores, the Samsung Galaxy S6 also counts with a 64-bit CPU and an additional graphics co-processor. The Galaxy S6 has a bit more vivid screen than Asus ZenFone 8, because although it has a little bit smaller screen, it also counts with a better display pixel density and a better 2560 x 1440px resolution.
The Asus ZenFone 8 has as much storage for apps and games as the Galaxy S6 one, they have equal internal memory capacity. The Asus ZenFone 8 captures a lot better photographs and videos than Galaxy S6, because it has a lot more mega pixels back-facing camera, a larger aperture to take better low-light images and videos, a lot bigger back-facing camera sensor capturing way higher quality photographs and videos and a lot higher 7680x4320 video resolution.
The Asus ZenFone 8 counts with a way better battery duration than Galaxy S6, because it has 4000mAh of battery capacity.
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