| Local Name | Galaxy A Quantum |
| Technology | GSM / HSPA / LTE / 5G |
| 4G Bands | LTE |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A; 5G |
| Announced | 2020, May 14 |
| Status | Available. Released 2020, May 22 |
| Dimensions | 162.5 x 75.5 x 8.1 mm (6.40 x 2.97 x 0.32 in) |
| Weight | 185 g (6.53 oz) |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame |
| SIM | Nano-SIM |
| Display Type | Li-Po 4500 mAh, non-removable |
| Screen Size | 6.7 inches, 108.4 cm2 (~88.3% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~393 ppi density) |
| Protection | Corning Gorilla Glass 3 |
| OS | Android 10, One UI 2 |
| Chipset | Exynos 980 (8 nm), QRNG security chipset |
| CPU | Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55) |
| GPU | Mali-G76 MP5 |
| Card Slot | microSDXC (dedicated slot) |
| Internal Memory | 128GB 8GB RAM | UFS 2.1 |
| Camera Features | 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, GALILEO, BDS |
| NFC | Yes |
| Radio | No |
| USB | USB Type-C 2.0, USB On-The-Go |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Features Summary | ANT+ |
| Colors | Prism Cube Black, Prism Cube Sliver, Prism Cube Blue |