| Global Score | |
| 77.3 | 82.1 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4 | Android 9.0 Pie, 8.0 Oreo |
| 2014-09-03 | 2018-08-27 |
| 5.85 x 2.89 x 0.35 inches | 6.39 x 3.03 x 0.30 inches |
| 6.02 ounces | 6.74 ounces |
| Black and White | Black and White |
| -- | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 170.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.3 inches |
| 1080 x 1920 pixels (Full HD) | 2220 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 392 pixels per inch |
| 592 cd/m2 brightness | -- |
| Capacitive, Multi-touch | No touch screen |
| 9.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB (933 MHz) RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 512 GPU |
| 9.45 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 8.12 | 11.34 |
| Camera | |
| 20.70 MP + 2.20 MP | 16.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 10.34 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7 | 6.7 |
| Battery Life | |
| 3200mAh Battery | 3700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 920 hours standby time 21 hours talk time | -- |
| 5.2 | 5.68 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Galaxy A8 Star is a bit better than the Xperia Z3, having a overall score of 82.1 against 77.3. Both phones in this comparison use Android OS (operating system), but the Galaxy A8 Star has a newer 9.0 Pie version and Xperia Z3 has Android 4.4.4 version. Galaxy A8 Star's body is much newer and thinner, but somewhat heavier than Xperia Z3.
The Sony Xperia Z3 features a much better screen than Galaxy A8 Star, because although it has a little smaller screen and a bit worse 1920 x 1080 pixels resolution, it also counts with a bit more pixels per screen inch. The Galaxy A8 Star has a very superior memory capacity for apps and games than Xperia Z3, because it has a SD memory slot that supports up to 400 GB and 32 GB more internal storage capacity.
The Xperia Z3 features a bit superior processing unit than Galaxy A8 Star, because although it has a lower number of cores and a lower amount of RAM memory, it also counts with a graphics processing unit. The Xperia Z3 shoots clearer photographs and videos than Galaxy A8 Star, because although it has a smaller aperture which is not nice for low-light images and video, and they both have the same (4K) video resolution and the same video frame rate, the Xperia Z3 also counts with a way better 20.7 mega pixels resolution back camera and a bigger back-facing camera sensor providing a higher image quality.
Samsung Galaxy A8 Star counts with just a bit better battery duration than Sony Xperia Z3, because it has a 3700mAh battery size against 3200mAh.
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