Compare phones
| Global Score | |
| 81.7 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10, 9.0 Pie |
| 2017-04-21 | 2019-04-10 |
| 5.86 x 2.68 x 0.31 inches | 5.69 x 2.72 x 0.31 inches |
| 5.47 ounces | 4.94 ounces |
| Arctic silver, Burgundy red, Coral blue, Maple gold, Midnight black, Orchid gray and Rose pink | Black, Blue, Coral and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 173.00 | -- |
| Display / Screen | |
| 5.8 inches | 5.9 inches |
| 2960 x 1440 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 568 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Exynos 7904 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2350 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 540 GPU | Mali-G71 MP2 GPU |
| 9.27 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 12.00 MP + 8.00 MP | 16.00 MP + 25.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 9.79 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 5.12 |
| Other Features | |
| Bluetooth 5.0, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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 |
Comparison review
Galaxy S8 is just a bit better than Galaxy A40, getting an 81.7 score against 79.6. The Galaxy S8 construction has the same thickness than Galaxy A40, but it is just a bit heavier. The Galaxy S8 features a bit better looking display than Galaxy A40, because although it has a bit smaller display, it also counts with a better resolution of 1440 x 2960 and a better screen pixel density.
Samsung Galaxy A40 counts with a little bit better storage to store more games and applications than Galaxy S8, and although they both have exactly the same internal memory, the Samsung Galaxy A40 also has a SD memory slot that holds up to 512 GB. The Galaxy S8 counts with just a little better processing power than Samsung Galaxy A40. Both of them have a Octa-Core processor and the same RAM memory amount.
Samsung Galaxy A40 has a bit better battery lifetime than Samsung Galaxy S8, because it has a 3100mAh battery size. The Galaxy S8 takes a bit better videos and photos than Galaxy A40, because although it has a way worse 12 mega-pixels resolution back facing camera, and they both have a same size diafragm aperture, the Galaxy S8 also counts with a way better video definition and a larger sensor.
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