| Local Name | Surface Duo 2 |
| Technology | GSM / HSPA / LTE / 5G |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71 |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat20 2000/150 Mbps, 5G 6 Gbps DL |
| Announced | 2021, September 22 |
| Status | Available. Released 2021, October 21 |
| Dimensions | Unfolded: 184.5 x 145.2 x 5.5 mm Folded: 145.2 x 92.1 x 11 mm |
| Weight | 284 g (10.02 oz) |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass) |
| SIM | Nano-SIM and eSIM |
| Body | Stylus support |
| Display Type | Li-Po 4449 mAh, non-removable |
| Screen Size | 8.3 inches, 204.0 cm2 (~152.6% screen-to-body ratio) |
| Resolution | 1892 x 2688 pixels (~401 ppi density) |
| Protection | Corning Gorilla Glass Victus | Folded position display: 5.8 inches, AMOLED, 1344 x 1892 pixels (4:3) |
| OS | Android 11 |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| GPU | Adreno 660 |
| Card Slot | No |
| Internal Memory | 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM | UFS |
| Camera Features | Dual-LED dual-tone flash, HDR, panorama |
| Video | 1080p@30fps |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth | 5.1, A2DP, LE, aptX Adaptive |
| NFC | Yes |
| Radio | No |
| USB | USB Type-C 3.2, DisplayPort |
| Sensors | Fingerprint (side-mounted), dual accelerometer, dual gyro, dual proximity, dual compass |
| Colors | Glacier, Obsidian |