| Hardware and OS | Infinix Hot 20S | Oppo A3s |
| Operating system | Android v12 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | 2.05 GHz, Octa Core Processor | Octa-core 1.8 GHz Cortex-A53 |
| Custom UI | XOS 10.6 | |
| Chipset | Mediatek Helio G96 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Mali-G57 MC2 | Adreno 506 |
| Internal memory | | 16 GB, 2 GB RAM |
| Cores | 2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Ram | 8 GB | |
| Storage | 128 GB | |
| Card Slot | Yes | |
| Display | Infinix Hot 20S | Oppo A3s |
| Type | Color IPS Screen (16M Colors) | IPS LCD |
| Size | 6.78 inches, 1080 x 2460 pixels | 6.2" inc |
| Resolution | | 720 x 1520 px |
| Touchscreen | | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Aspect Ratio | 20:9 | |
| Display aspect ratio | | 19:9 (height:width) |
| PPI | ~396 PPI | |
| Pixel Density | | 271 PPI |
| Screen to Body Ratio | ~ 84.3% | |
| Colors | | 16M |
| Touch | Yes, with Multitouch | |
| Features | 500 nits (peak) | |
| Connectivity | Infinix Hot 20S | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | Yes | HSDPA 850 / 900 / 2100 |
| 4G Network | Yes | LTE |
| Wi-Fi | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Yes | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS | Yes, with A-GPS |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Yes, USB-C v2.0 | microUSB 2.0, USB On-The-Go |
| USB Features | USB Tethering, USB on-the-go, USB Charging | |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | |
| Wifi Version | Wi-Fi 802.11 a/b/g/n/ac | |
| Main Camera | Infinix Hot 20S | Oppo A3s |
| Camera | 8 MP | |
| Flash | Yes, LED | |
| Features | HDR, panorama | |
| Video | 1080p @ 30fps FHD | |
| Selfie camera | Infinix Hot 20S | Oppo A3s |
| Camera | 50 MP PDAF f/1.6 (Wide Angle)
(Depth Sensor) with autofocus | |
| Video | 1440p @ 30fps QHD, 1080p @ 30fps FHD | |
| Camera | Infinix Hot 20S | Oppo A3s |
| Main camera | | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | | 8 MP, Single |
| Multimedia | Infinix Hot 20S | Oppo A3s |
| 3.5 mm Jack | Yes | Yes |
| Radio | | FM radio |
| Design | Infinix Hot 20S | Oppo A3s |
| Colors | Sonic Black, Tempo Blue, Fantasy Purple, Light-rider White, Neon | Red, Dark Purple |
| Dimensions | 76.8 x 168.7 x 8.5 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 202 g | 168 g |
| Dual Sim | Yes | |
| Sim Type | Dual Sim, GSM GSM | |
| Sim Size | Nano SIM | |
| Battery | Infinix Hot 20S | Oppo A3s |
| Type | Non-Removable Battery | |
| Fast Charging | Yes, 18W | |
| Reverse Charging | Yes, 5W | |
| Battery capacity | 5000 mAh | 4230 mAh, Non-removable Li-Ion |
| Other | Infinix Hot 20S | Oppo A3s |
| Release date | | 2018, July |
| Sensors | | Accelerometer, proximity, compass |
| Features | Infinix Hot 20S | Oppo A3s |
| Sensors | accelerometer, proximity, compass | |
| Fingerprint Sensor | Yes, Side | |
| Face Unlock | Yes | |
