| Local Name | Galaxy A8 Star (A9 Star) |
| Additional Information | Versions: A8 Star (Global, SEA, South Korea); A9 Star (China) |
| Technology | GSM / CDMA / HSPA / LTE |
| 4G Bands | LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - Global | LTE band 1(2100), 3(1800), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | CDMA 800 & TD-SCDMA - China |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps |
| Announced | 2018, June |
| Status | Available. Released 2018, June |
| Dimensions | 162.4 x 77 x 7.6 mm (6.39 x 3.03 x 0.30 in) |
| Weight | 191 g (6.74 oz) |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Body | Samsung Pay |
| Display Type | Super AMOLED capacitive touchscreen, 16M colors |
| Screen Size | 6.3 inches, 100.7 cm2 (~80.6% screen-to-body ratio) |
| Resolution | 1080 x 2220 pixels, 18.5:9 ratio (~392 ppi density) |
| Protection | Corning Gorilla Glass 5 | Samsung Experience 9 UX |
| OS | Android 8.0 (Oreo), upgradable to Android 9.0 (Pie); One UI |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) |
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| GPU | Adreno 512 |
| Card Slot | microSDXC (uses shared SIM slot) |
| Internal Memory | 64GB 4GB RAM, 64GB 6GB RAM | eMMC 5.1 |
| Camera Features | LED flash, panorama, HDR |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| NFC | Yes |
| Radio | FM radio |
| USB | 2.0, Type-C 1.0 reversible connector |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Features Summary | ANT+ |
| Battery | Non-removable Li-Ion 3700 mAh battery |
| Colors | Black, White |
| SAR EU | 0.43 W/kg (head) 1.79 W/kg (body) |