Compare phones
| Global Score | |
| 81.3 | 82.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 9.0 Pie, 8.0 Oreo |
| 2020-04-27 | 2018-08-27 |
| 6.27 x 2.88 x 0.34 inches | 6.39 x 3.03 x 0.30 inches |
| 6.53 ounces | 6.74 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black and White |
| Plastic | Glass and Metal |
| Display / Screen | |
| 6.4 inches | 6.3 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Adreno 512 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 11.74 | 11.34 |
| Camera | |
| 48.00 MP + 20.00 MP | 16.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 10.89 | 10.01 |
| 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 | |
| 5000mAh Li - Polymer Battery | 3700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.68 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A8 Star has an overall score of 82.1, which is slightly better than Samsung Galaxy A31's score of 81.3. Even though Samsung Galaxy A8 Star is older and just a little heavier than Samsung Galaxy A31, it's construction is still somewhat thinner. These devices have Android operating system, but the Samsung Galaxy A8 Star has a more recent 9.0 Pie version and Samsung Galaxy A31 has Android 10 version, giving you some extra features and optimized performance.
Samsung Galaxy A8 Star counts with a bit better CPU than Samsung Galaxy A31, and although they both have 8 cores, the Samsung Galaxy A8 Star also has 2 GB more RAM. The Samsung Galaxy A31 features a slightly better screen than Galaxy A8 Star, because it has a little bigger screen, a little higher 1080 x 2400px resolution and a bit higher number of pixels per inch in the screen.
Galaxy A31 shoots clearer photos and videos than Galaxy A8 Star, because although it has a smaller camera aperture which is not so good for shooting pictures and/or video in low light environments, and they both have the same 30 frames per second video frame rate and the same (Full HD) video definition, the Galaxy A31 also counts with a lot larger back-facing camera sensor capturing more light and vivid colors and a way more megapixels back facing camera.
Galaxy A31 counts with a slightly bigger storage capacity for apps and games than Galaxy A8 Star, and although they both have equal 64 GB internal storage, the Galaxy A31 also has an external memory slot that admits a maximum of 512 GB. The Samsung Galaxy A31 features improved battery duration than Galaxy A8 Star, because it has 5000mAh of battery capacity against 3700mAh.
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