| Hardware and OS | Smartisan Nut Pro 2S | Oppo A3s |
| Operating system | Smartisan 6.6.5 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa Core 2??2.2GHz Kryo 360 Cortex-A75, 6??1.7GHz Cortex-A55 | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Qualcomm Adreno 616 GPU | Adreno 506 |
| RAM | 4GB/6GB LPDDR4x, 1866MHz | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 64GB/128GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | External Card Not Supported | |
| User Interface | Yes with Modified Android | |
| Display | Smartisan Nut Pro 2S | Oppo A3s |
| Type | AMOLED capacitive touchscreen | IPS LCD |
| Size | 6.01 inches FHD | 6.2" inc |
| Resolution | 1080 x 2160 Pixels, 24 bit color depth | 720 x 1520 px |
| Touchscreen | Yes Multi Touch Support | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | ~ 402 ppi | 271 PPI |
| Features | FHD display, ~ 402 PPI Pixel Density, Capacitive, Frameless, Multi-touch, 18:9 Aspect Ratio, Scratch resistant, 10000:1 contrast ratio, 430 cd/m2, 100% NTSC | |
| Colors | 16M | 16M |
| Connectivity | Smartisan Nut Pro 2S | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | Yes | LTE |
| NFC | No | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, 802.11n 5GHz, Dual band, Wi-Fi Direct, Wi-Fi Hotspot, 2x2 MiMO | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| SIM | Nano SIM | |
| Bluetooth | | 4.2, A2DP, LE |
| Dual SIM | Dual SIM Card (Nano-SIM, Nano-SIM), Dual Standby | |
| Edge | | Yes |
| Wireless Charging | No | |
| GPRS | | Yes |
| GPS | Yes, with A-GPS, Beidou, GLONASS, GPS | Yes, with A-GPS |
| Speed | LTE : 850 / 900 / 1800 / 1900 / 2100 / 2600 MHz LTE-TDD : 1900 MHz (Band 39) LTE-TDD : 2300 MHz (Band 40) LTE-TDD : 2500 MHz (Band 41) LTE-TDD : 2600 MHz (Band 38) LTE : 1700 / 2100 MHz | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Type-C USB v2.0 with Host, OTG, Charging and Mass Storage Function | microUSB 2.0, USB On-The-Go |
| Camera | Smartisan Nut Pro 2S | Oppo A3s |
| Image | 3968 x 2976 Pixels | |
| Main camera | 12 Megapixels (f/1.8 Aperture), 5 Megapixels (f/2.0 Aperture) | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | Yes with Dual-LED flashlight | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 16 Megapixels with f/2.2 Aperture, Face Recognition | 8 MP, Single |
| Multimedia | Smartisan Nut Pro 2S | Oppo A3s |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Video Playback | Yes Support 3GP, M4V, H.264, MKV, MOV, AVI, WMV, FLV, MP4, H.265 | |
| Video Out | Yes With Wireless Media Link | |
| Ring Tones | MP3, WAV ringtones | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | Smartisan Nut Pro 2S | Oppo A3s |
| Colors | | Red, Dark Purple |
| Waterproof | No | |
| Dimensions | 74.09 mm x 155.3 mm x 7.15 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 167 g | 168 g |
| Battery | Smartisan Nut Pro 2S | Oppo A3s |
| Capacity | 3,600 mAh Lithium-Polymer | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Placement | Non-Removable | |
| Other | Smartisan Nut Pro 2S | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Fingerprint (rear-mounted), Accelerometer, Gyroscope, Proximity, Compass, Light | Accelerometer, proximity, compass |
