Compare phones
| Global Score | |
| 82.1 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 11 |
| 2018-08-27 | 2021-01-29 |
| 6.39 x 3.03 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 6.74 ounces | 8.04 ounces |
| Black and White | Phantom black and Silver |
| Glass and Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.3 inches | 6.8 inches |
| 2220 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 392 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 512 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 11.34 | 10.1 |
| Camera | |
| 16.00 MP + 24.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.01 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3700mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.68 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 Ultra is better than the Samsung Galaxy A8 Star, with a general score of 98.1 against 82.1. Although Galaxy S21 Ultra is noticeably newer than the Samsung Galaxy A8 Star, it is thicker and somewhat heavier. Both of these phones work with Android operating system, but Galaxy S21 Ultra has an older 11 version and Samsung Galaxy A8 Star has Android 9.0 Pie.
The Samsung Galaxy S21 Ultra has a lot better screen than Samsung Galaxy A8 Star, because it has a little bit bigger screen, a higher pixel count per inch in the screen and a better resolution of 1440 x 3200 pixels. The Samsung Galaxy S21 Ultra has a bit more powerful processor than Samsung Galaxy A8 Star, and although they both have a Octa-Core processing unit, the Samsung Galaxy S21 Ultra also has more RAM memory.
Galaxy S21 Ultra features a lot better camera than Galaxy A8 Star, because although it has a smaller camera aperture which is not favorable for low-light photos, it also counts with a lot higher 7680x4320 video resolution, a camera in the back with much more mega pixels and a way bigger back-facing camera sensor shooting way better quality pictures.
Galaxy A8 Star has a bigger storage for applications and games than Samsung Galaxy S21 Ultra, because although it has only 64 GB internal memory capacity, it also counts with a slot for an SD memory card that supports up to 400 GB. Galaxy S21 Ultra counts with greater battery lifetime than Galaxy A8 Star, because it has a 35% more battery capacity.
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