On this page we compare specs Xiaomi Redmi 9 (India) Octa-core (4x2.3 GHz Cortex-A53, 4x1.8 GHz Cortex-A53) with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| Operating system | Android 10, MIUI 12 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (4x2.3 GHz Cortex-A53, 4x1.8 GHz Cortex-A53) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| RAM | 4 GB | |
| GPU | PowerVR GE8320 | Adreno 506 |
| Internal Storage | 64 GB, 128 GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSDXC (dedicated slot) | |
| User Interface | Yes | |
| Display | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| Type | IPS LCD | IPS LCD |
| Size | 6.53 inches | 6.2" inc |
| Resolution | 720 x 1600 pixels | 720 x 1520 px |
| Touchscreen | Capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | 269 ppi | 271 PPI |
| Features | 400 nits typ. brightness (advertised), | |
| Colors | 16M colors | 16M |
| Connectivity | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| 5G Network | No | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 20, 38, 40 | LTE |
| NFC | No | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 4.2, A2DP, LE |
| SIM | Nano SIM | |
| Edge | | Yes |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| GPRS | | Yes |
| Wireless Charging | No | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Camera | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| Image | 1080p | |
| Main camera | 13 MP (ultrawide), 2 MP (depth) | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | LED flash, HDR | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 5 MP (wide) | 8 MP, Single |
| Multimedia | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | Yes | FM radio |
| Design | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| Colors | | Red, Dark Purple |
| Dimensions | 164.9 x 77.1 x 9 mm | 156.2 x 75.6 x 8.2 mm |
| Waterproof | Water-repellent coating | |
| Weight | 196 g | 168 g |
| Battery | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Capacity | Li-Po 5000 mAh, Charging 10W | |
| Placement | Non-removable | |
| Other | Xiaomi Redmi 9 (India) | Oppo A3s |
|---|
| Release date | | 2018, July |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, | Accelerometer, proximity, compass |
