| Local Name | Galaxy A90 5G |
| Additional Information | Versions: SM-A908B (Global); SM-A908N (South Korea); SM-A9080 (China) |
| Technology | GSM / HSPA / LTE / 5G |
| 4G Bands | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Announced | 2019, September |
| Status | Available. Released 2019, September |
| Dimensions | 164.8 x 76.4 x 8.4 mm (6.49 x 3.01 x 0.33 in) |
| Weight | 206 g (7.27 oz) |
| Build | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame |
| SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Super AMOLED capacitive touchscreen, 16M colors |
| Screen Size | 6.7 inches, 108.4 cm2 (~86.1% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~393 ppi density) |
| Protection | Corning Gorilla Glass 6 | Always-on display |
| OS | Android 9.0 (Pie); One UI |
| Chipset | Qualcomm SM8150 Snapdragon 855 (7 nm) |
| CPU | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) |
| GPU | Adreno 640 |
| Card Slot | microSDXC (6GB model only) |
| Internal Memory | 128GB 6GB RAM, 128GB 8GB RAM | UFS 3.0 |
| Camera Features | HDR |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| 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, GALILEO, BDS |
| NFC | Yes |
| Radio | No |
| USB | 3.1, Type-C 1.0 reversible connector |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Features Summary | Samsung DeX (desktop experience support), ANT+ |
| Battery | Non-removable Li-Po 4500 mAh battery |
| Colors | White, Black |
| SAR EU | 0.38 W/kg (head) 1.55 W/kg (body) |