Compare phones
| Global Score | |
| 76.1 | 82.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 9.0 Pie, 8.0 Oreo |
| 2020-06-29 | 2018-08-27 |
| 6.61 x 3.02 x 0.32 inches | 6.39 x 3.03 x 0.30 inches |
| 6.81 ounces | 6.74 ounces |
| Black | Black and White |
| Plastic and Plastic | Glass and Metal |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2220 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 512 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 9.84 | 11.34 |
| Camera | |
| 16.00 MP + 13.00 MP | 16.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 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 | FM Radio |
Comparison review
The Samsung Galaxy A8 Star has a general score of 82.1, which is a bit better than the Samsung Galaxy A21's 76.1 overall score. Despite of the fact that Samsung Galaxy A8 Star is older than Samsung Galaxy A21, it's body is just a bit thinner and just a bit lighter. Both phones we compare here work with Android operating system, but Samsung Galaxy A8 Star has 9.0 Pie version and Samsung Galaxy A21 has Android 10, providing a lot of extra features and increased performance.
Samsung Galaxy A8 Star has a little bit better looking screen than Galaxy A21, because although it has a little smaller display, it also counts with a greater pixels number per inch of screen and a much better resolution of 1080 x 2220. Galaxy A8 Star's processor is very similar to the Galaxy A21 one, and although the Galaxy A8 Star has more RAM, they both have the same number of cores.
The Samsung Galaxy A8 Star takes clearer videos and photos than Samsung Galaxy A21, and although they both have a back facing camera with a 16 MP, the Samsung Galaxy A8 Star also has a bigger aperture, a larger back camera sensor which provides a higher image and video quality and a lot higher 3840x2160 video resolution.
Samsung Galaxy A8 Star has a greater memory for applications and games than Samsung Galaxy A21, because although it has a SD memory card expansion slot that holds up to 400 GB against 512 GB, it also counts with 32 GB more internal memory. Galaxy A21 features a little longer battery duration than Galaxy A8 Star, because it has an 8% greater battery size.
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