Compare phones
| Global Score | |
| 79.6 | 81.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | -- |
| 2019-04-10 | 2017-04-21 |
| 5.69 x 2.72 x 0.31 inches | 5.86 x 2.68 x 0.31 inches |
| 4.94 ounces | 5.47 ounces |
| Black, Blue, Coral and White | Arctic silver, Burgundy red, Coral blue, Maple gold, Midnight black, Orchid gray and Rose pink |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 173.00 |
| Display / Screen | |
| 5.9 inches | 5.8 inches |
| 2340 x 1080 pixels | 2960 x 1440 pixels |
| Super AMOLED | Super AMOLED |
| 437 pixels per inch | 568 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.9 |
| Performance | |
| Exynos 7904 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2350 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G71 MP2 GPU | Adreno 540 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 10.78 |
| Camera | |
| 16.00 MP + 25.00 MP | 12.00 MP + 8.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.46 | 9.79 |
| 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3100mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.12 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S8 is slightly better than the Samsung Galaxy A40, having an 81.7 score against 79.6. The Samsung Galaxy S8 is a just a bit heavier device than the Samsung Galaxy A40, but both of them are 0.31inches thick. Samsung Galaxy S8 counts with just a bit better looking display than Samsung Galaxy A40, because although it has a little smaller display, it also counts with a better resolution of 1440 x 2960 pixels and a better pixel amount in each inch in the screen.
Galaxy S8 features a bit superior CPU than Samsung Galaxy A40. Both have the same RAM memory amount and the same number of cores. Galaxy A40 counts with a bit more storage for apps and games than Galaxy S8, and although they both have the same internal memory capacity, the Galaxy A40 also has a SD card slot that holds a maximum of 512 GB.
Galaxy A40 has a bit longer battery lifetime than Galaxy S8, because it has a 3% larger battery size. Samsung Galaxy S8 takes clearer videos and photos than Galaxy A40, because although it has a much lower resolution camera, and they both have the same diafragm aperture, the Samsung Galaxy S8 also counts with a larger sensor taking better quality videos and pictures and a way higher (4K) video resolution.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.