| Hardware and OS | Smartisan Nut R1 | Oppo A3s |
| Operating system | Smartisan OS based on AndroidTM depth customization | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Qualcomm?? OpteronTM 845 Processor | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | AdrenoTM 630 graphics processor clocked at up to 700MHz | Adreno 506 |
| RAM | 6 GB, 8 GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 64 GB, 128 GB, 1TB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | Not Support | |
| User Interface | Yes | |
| Display | Smartisan Nut R1 | Oppo A3s |
| Type | In-Cell full HD display | IPS LCD |
| Size | 6.17 inch | 6.2" inc |
| Resolution | 2242 x 1080 pixels | 720 x 1520 px |
| Touchscreen | Yes, supports pressure-sensitive touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | 403 PPI | 271 PPI |
| Protection | Yes, Corning?? Third Generation Gorilla?? Glass | |
| Colors | 16M | 16M |
| Features | Capacitive, Multi-touch, LTPS (Low Temperature PolySilicon), 1500:1 contrast ratio, 100% DCI-P3 | |
| Connectivity | Smartisan Nut R1 | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | FDD-LTE: B1 / B2 / B3 / B4 / B5 / B7 / B8 / B12 / B17 / B18 / B19 / B20 / B25 / B26 / B28, TD-LTE: B34 / B38 / B39 / B40 / B41 (Note: B41 supports 2535MHz-2655MHz band) | LTE |
| Wi-Fi | a, b, g, n, n 5GHz, ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| NFC | yes | |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| SIM | Nano SIM | |
| Bluetooth | | 4.2, A2DP, LE |
| Dual SIM | Yes, With Dual Standby | |
| Edge | | Yes |
| Wireless Charging | Yes, Supports fast wireless charging with peak output power up to 10W | |
| GPRS | | Yes |
| GPS | GPS / Assisted GPS, GLONASS, Beidou Positioning System | Yes, with A-GPS |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | 2.0, USB Type-C | microUSB 2.0, USB On-The-Go |
| Camera | Smartisan Nut R1 | Oppo A3s |
| Image | 4032 x 3024 pixels | |
| Main camera | 12MP, 20MP Dual Camera with dual high display flash | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | Dual LED | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 12MP | 8 MP, Single |
| Multimedia | Smartisan Nut R1 | Oppo A3s |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes, Himalayan FM | FM radio |
| Design | Smartisan Nut R1 | Oppo A3s |
| Colors | | Red, Dark Purple |
| Dimensions | 153.3mm X 74.5mm X 7.9mm (Height X Width X Thickness) | 156.2 x 75.6 x 8.2 mm |
| Weight | 170 g | 168 g |
| Battery | Smartisan Nut R1 | Oppo A3s |
| Capacity | 3600mAh With QuickCharge 4 18W Fast Charge | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Smartisan Nut R1 | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Gyro, , Gravity sensor, , Geomagnetic sensor, , Ambient light sensor, , Hall sensor, , Ultrasonic proximity sensing algorithm, , AI audio noise reduction algorithm | Accelerometer, proximity, compass |
