| Hardware and OS | Sharp Aquos R Compact | Oppo A3s |
| Operating system | Android 8.0 Oreo OS | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | 4 x 2.2 GHz Kryo, 4 x 1.84 GHz Kryo CPU Clock | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Qualcomm Adreno 512 | Adreno 506 |
| RAM | 3GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 32GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | Sharp Aquos R Compact | Oppo A3s |
| Type | IGZO capacitive touchscreen | IPS LCD |
| Size | 4.9 inches | 6.2" inc |
| Resolution | 2032 x 1080 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 | ~ 469.63 ppi | 271 PPI |
| Protection | Yes Support | |
| Colors | 16M Colors | 16M |
| Features | IGZO Display, 469.63 PPI Pixel Density, Capacitive Multi-touch, Scratch Resistant, Curved Glass Screen | |
| Connectivity | Sharp Aquos R Compact | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE : 900 / 1500 / 1800 / 2100 MHz, LTE-TDD: 2500 MHz (Band 41) | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Dual Band, Wi-Fi Direct, Wi-Fi HotSpot, Wi-Fi Display | 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) |
| Bluetooth | | 4.2, A2DP, LE |
| SIM | Standard SIM | |
| Edge | | Yes |
| Dual SIM | Single SIM (Nano SIM Card Slot) | |
| GPRS | | Yes |
| GPS | Yes Support GPS, A-GPS, GLONASS | Yes, with A-GPS |
| Speed | LTE Cat 6 300 Mbps Download, 50 Mbps Upload, HSUPA 5.76 Mbps Upload, HSDPA 42 Mbps Download | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | USB Type-C 2.0, with Charging and Mass Storage Function | microUSB 2.0, USB On-The-Go |
| Camera | Sharp Aquos R Compact | Oppo A3s |
| Image | 4899 x 3266 Pixels | |
| Main camera | 16 Megapixels | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | Yes with LED Flash | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 8 Megapixels with 5-element lens | 8 MP, Single |
| Multimedia | Sharp Aquos R Compact | Oppo A3s |
| Loudspeaker | Yes | |
| Video Playback | Up to 5.4 Hours | |
| Video Out | Yes With Wireless Media Link | |
| Ring Tones | Yes Support MP3, WAV ringtones | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | Sharp Aquos R Compact | Oppo A3s |
| Colors | | Red, Dark Purple |
| Dimensions | 5.19 in x 2.59 in x 0.37 in | 156.2 x 75.6 x 8.2 mm |
| Weight | 140 Grams (With Battery) | 168 g |
| Battery | Sharp Aquos R Compact | Oppo A3s |
| Capacity | 2,500 mAh | |
| Placement | Non-Removable | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Sharp Aquos R Compact | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Proximity Sensor, Accelerometer, Ambient Light, Gyroscope Sensor, Fingerprint Scanner, Compass Sensor | Accelerometer, proximity, compass |
