| Local Name | Galaxy M12 |
| Technology | GSM / HSPA / LTE |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA, LTE-A |
| Announced | 2021, April 19 |
| Status | Available. Released 2021, April 30 |
| Dimensions | 164 x 75.9 x 9.7 mm (6.46 x 2.99 x 0.38 in) |
| Weight | 212 g (7.48 oz) |
| Build | Glass front, plastic back, plastic frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Li-Po 5000 mAh, non-removable |
| Screen Size | 6.5 inches, 102.0 cm2 (~81.9% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| OS | Android 11, One UI Core 3.1 |
| Chipset | Exynos 850 (8nm) |
| CPU | Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) |
| GPU | Mali-G52 |
| Card Slot | microSDXC (dedicated slot) |
| Internal Memory | 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM | eMMC 5.1 |
| Camera Features | HDR |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, LE |
| NFC | Yes |
| Radio | Unspecified |
| USB | USB Type-C 2.0 |
| Sensors | Fingerprint (side-mounted), accelerometer |
| Features Summary | Virtual proximity sensing |
| Colors | Black, Blue, Green |
| SAR EU | 0.54 W/kg (head) 1.39 W/kg (body) |
