| Hardware and OS | Samsung Galaxy A5 (2018) | Oppo A3s |
| Operating system | Android 8.0 Oreo OS | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-Core 1.9GHz ARM Cortex-A53 CPU Clock | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | ARM Mali-T830 MP3, 950MHz | Adreno 506 |
| RAM | 4GB | |
| 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 | Samsung Galaxy A5 (2018) | Oppo A3s |
| Type | Super AMOLED capacitive touchscreen | IPS LCD |
| Size | 5.5 inches FHD | 6.2" inc |
| Resolution | 2160 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 | ~ 439.08 PPI, Pixel Per Inch | 271 PPI |
| Protection | Yes Support | |
| Colors | 16M Colors | 16M |
| Features | FHD Super AMOLED display, ~ 439.08 PPI, Pixel Density, Capacitive , 2.5D Curved Glass, Corning Gorilla Glass | |
| Connectivity | Samsung Galaxy A5 (2018) | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE: 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500) MHz | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, Dual Band, Hotspot | 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 |
| Dual SIM | Single Nano SIM or Dual SIM (Nano, Nano) | |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes, with GPS, A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Speed | LTE Cat-7 3CA, 300 Mbps Download, 2CA 100 Mbps Upload | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Type-C USB v2.0, With OTG, Charging and Mass Storage Function | microUSB 2.0, USB On-The-Go |
| Camera | Samsung Galaxy A5 (2018) | Oppo A3s |
| Image | 4608 x 3456 Pixels | |
| Main camera | 16 Megapixels f/1.8 with LED and AF Rear Camera | 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 | 16 Megapixel f/1.8 Front camera | 8 MP, Single |
| Multimedia | Samsung Galaxy A5 (2018) | Oppo A3s |
| Loudspeaker | Yes | |
| Video Playback | Up to 9.5 Hours | |
| Video Out | Yes With Wireless Media Link | |
| Ring Tones | MP3, WAV ringtones | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | Samsung Galaxy A5 (2018) | Oppo A3s |
| Waterproof | Yes | |
| Colors | | Red, Dark Purple |
| Dimensions | | 156.2 x 75.6 x 8.2 mm |
| Weight | | 168 g |
| Battery | Samsung Galaxy A5 (2018) | Oppo A3s |
| Capacity | 3,300 mAh | |
| Placement | Non-Removable | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Samsung Galaxy A5 (2018) | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Proximity Sensor, Accelerometer, Ambient Light, Compass, Fingerprint (Rear Mounted), Barometer | Accelerometer, proximity, compass |
