| Hardware and OS | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| Operating system | Android 7.1.1 Nougat OS | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa Core (4 x 2.3GHz Exynos M2 Mongoose, 4 x 1.7GHz ARM Cortex-A53) CPU Clock | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | ARM Mali-G71 MP20, 550 MHz, 20-Cores | Adreno 506 |
| RAM | 6GB LPDDR4X | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 64GB/128GB/256GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes with Grace UX UI | |
| Display | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| Type | Super AMOLED, Capacitive Touchscreen | IPS LCD |
| Size | 6.3 inches | 6.2" inc |
| Resolution | 2960 x 1440 Pixels, 24 bit color depth | 720 x 1520 px |
| Touchscreen | Yes Multi Touch Support Up to 10 Fingers | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | ~ 522.49 ppi | 271 PPI |
| Protection | Yes with Corning Gorilla Glass 5 | |
| Colors | 16.7M Colors | 16M |
| Connectivity | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | Yes | LTE |
| NFC | yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac (2.4/5GHz) Dual Band, VHT80 MU-MIMO, 1024QAM, DLNA, Wi-Fi Direct, Wi-Fi HotSpot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM | Nano SIM | |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Dual SIM | Single SIM (Nano) Card or Dual Hybrid Nano SIM | |
| Bluetooth | | 4.2, A2DP, LE |
| Wireless Charging | Yes | |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes, with GPS, A-GPS, GLONASS, Beidou, Galileo | Yes, with A-GPS |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Type-C USB v3.1 with, OTG, Charging and Mass Storage Function | microUSB 2.0, USB On-The-Go |
| Camera | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| Image | 4032 x 3024 Pixels | |
| Main camera | 12, 12 Megapixels OIS, 1.55??m pixel size | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
| Features | Yes with Dual LED flash | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 8 Megapixels with F1.7 Aperture,Smart Autofocus,1/3.6-inch Sensor Size,Selective Focus | 8 MP, Single |
| Multimedia | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| Loudspeaker | Yes | |
| Video Playback | Yes Support 3GP, ASF, M4V, H.264, MKV, AVI, xVID, WMV, FLV, MP4, H.265 | |
| Video Out | Yes With Wireless Media Link | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | Yes |
| Radio | | FM radio |
| Design | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| Waterproof | No | |
| Colors | | Red, Dark Purple |
| Dimensions | 162.5 mm x 74.6 mm x 8.6 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 195 Grams (With Battery) | 168 g |
| Battery | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| Capacity | 3,300 mAh Lithium-Polymer Battery | |
| Placement | Non-Removable | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Samsung Galaxy Note 8 Exynos | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Proximity Sensor, Hall Effect, Heart Rate Sensor, Fingerprint, Barometer, Gyroscope, Ambient Light, Compass, Accelerometer, Iris Scanner, RGB Light Sensor, Pressure Sensor | Accelerometer, proximity, compass |