| Global Score | |
| 82.1 | 77.3 |
| Basic Information | |
| Samsung | Sony |
| Android 9.0 Pie, 8.0 Oreo | Android 4.4.4 |
| 2018-08-27 | 2014-09-03 |
| 6.39 x 3.03 x 0.30 inches | 5.85 x 2.89 x 0.35 inches |
| 6.74 ounces | 6.02 ounces |
| Black and White | Black and White |
| Glass and Metal | -- |
| -- | Scratch-Resistant Glass |
| -- | $ 170.00 |
| Display / Screen | |
| 6.3 inches | 5.2 inches |
| 2220 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 392 pixels per inch | 424 pixels per inch |
| -- | 592 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 8 | 9.6 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 6 GB RAM | 3 GB (933 MHz) RAM |
| Adreno 512 GPU | Adreno 330 (450 MHz) GPU |
| 9.27 | 9.45 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 11.34 | 8.12 |
| Camera | |
| 16.00 MP + 24.00 MP | 20.70 MP + 2.20 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 25.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.43 inches (1/2.3") 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 |
| 10.01 | 10.34 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 3700mAh Li - Ion Battery | 3200mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| -- | 920 hours standby time 21 hours talk time |
| 5.68 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Galaxy A8 Star is a little bit better than the Sony Xperia Z3, getting a score of 82.1 against 77.3. Both devices in this review have Android OS (operating system), but Galaxy A8 Star has newer 9.0 Pie version while Sony Xperia Z3 has Android 4.4.4, counting with some additional features and performance optimizations. Galaxy A8 Star's construction is newer and thinner than Sony Xperia Z3's, but it is heavier.
Sony Xperia Z3 features a little bit better processing power than Galaxy A8 Star, because although it has a lower number of cores and 3 GB less RAM, it also counts with an additional graphics processing unit. The Sony Xperia Z3 has a lot better looking display than Galaxy A8 Star, because although it has a bit smaller screen and a little lower 1920 x 1080 pixels resolution, it also counts with a bit greater pixel number in each inch of display.
The Galaxy A8 Star has a way bigger storage to install applications and games or saving photos and videos than Xperia Z3, because it has a slot for external memory cards that admits a maximum of 400 GB and more internal storage. Galaxy A8 Star features a bit better battery life than Xperia Z3, because it has 3700mAh of battery capacity against 3200mAh.
The Sony Xperia Z3 features a bit better camera than Galaxy A8 Star, because although it has a smaller aperture, and they both have the same 3840x2160 (4K) video quality and the same video frame rates, the Sony Xperia Z3 also counts with a back camera with a much better resolution and a bigger back-facing camera sensor taking better quality videos and photos.
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