Compare phones
| Global Score | |
| 82.1 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 11, 10, 9.0 Pie |
| 2018-08-27 | 2019-04-10 |
| 6.39 x 3.03 x 0.30 inches | 5.69 x 2.72 x 0.31 inches |
| 6.74 ounces | 4.94 ounces |
| Black and White | Black, Blue, Coral and White |
| Glass and Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 5.9 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 392 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Exynos 7904 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Mali-G71 MP2 GPU |
| 9.27 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.34 | 11.74 |
| Camera | |
| 16.00 MP + 24.00 MP | 16.00 MP + 25.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 10.01 | 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 | |
| 3700mAh Li - Ion Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy A8 Star is slightly better than the Galaxy A40, having a global score of 82.1 against 79.6. Although Samsung Galaxy A8 Star and Galaxy A40 were only released 8 months apart, the Samsung Galaxy A8 Star design is noticeably heavier but also a bit thinner. Both phones in this review have Android OS, but the Samsung Galaxy A8 Star has a newer 9.0 Pie version while Galaxy A40 has Android 11.
Samsung Galaxy A8 Star counts with a bit more powerful processor than Samsung Galaxy A40, and although they both have 8 processing cores, the Samsung Galaxy A8 Star also has more RAM. The Samsung Galaxy A40 features a little sharper display than Galaxy A8 Star, because although it has a little bit smaller display, it also counts with a little bit greater pixels density and a slightly higher resolution of 1080 x 2340px.
Galaxy A8 Star captures clearer videos and photos than Galaxy A40, and although they both have a same size sensor, a camera with a 16 megapixels and the same aperture, the Galaxy A8 Star also has a lot better (4K) video quality. The Samsung Galaxy A40 counts with a bit more memory to install games and applications than Samsung Galaxy A8 Star, and although they both have equal internal memory capacity, the Samsung Galaxy A40 also has a slot for an external memory card that supports up to 512 GB.
Galaxy A8 Star counts with improved battery lifetime than Galaxy A40, because it has a 19% greater battery size.
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