| Xiaomi Redmi K30S Ultra |
Oppo A3s |
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| Hardware and OS | Xiaomi Redmi K30S Ultra | Oppo A3s |
| Operating system | Android v10, upgradable to v11 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | 2.84 GHz, Octa Core Processor | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm Snapdragon 865 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 506 | |
| Cores | 1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585 | |
| Internal memory | 128 GB | 16 GB, 2 GB RAM |
| RAM | 8 GB | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Memory Card Slot | No | |
| Graphics | Adreno 650 | |
| Dual Sim | Yes | |
| Sim Size | Nano Nano SIM | |
| Sim Type | Dual Sim, GSM GSM | |
| Display | Xiaomi Redmi K30S Ultra | Oppo A3s |
| Type | IPS LCD | |
| Size | 6.2" inc | |
| Resolution | 720 x 1520 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | ~ 85.2% | 81.2% |
| Display area | 95.9 cm2 | |
| Screen Size | 6.67 inches, 1080 x 2400 pixels, 144 Hz | |
| Display aspect ratio | 20:9 | 19:9 (height:width) |
| Display Type | Color IPS LCD screen (16M) | |
| Pixel Density | ~395 PPI | 271 PPI |
| Colors | 16M | |
| Touch Screen | Yes, with Multitouch | |
| Screen Protection | Corning Gorilla Glass 5 | |
| Connectivity | Xiaomi Redmi K30S Ultra | 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) | |
| 5G Network | Yes | |
| Bluetooth | Yes, v5.1, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC | 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 on-the-go, USB Charging | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | |
| Camera | Xiaomi Redmi K30S Ultra | Oppo A3s |
| Main camera | 64 MP f/1.9 (Wide Angle) 13 MP f/2.4 (Ultra Wide) 5 MP f/2.4 (Macro) with autofocus | 13 MP, Dual |
| Specs | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | |
| Features | HDR, Panorama | LED flash, HDR, panorama |
| Video | 1080p@30fps | |
| Video Recording | 8K @ 24/30fps UHD, 4K, 1080p | |
| Selfie camera | Punch Hole 20 MP f/2.2 (Wide Angle) | 8 MP, Single |
| Flash | Yes, LED | |
| Front Video Recording | 1080p, 720p | |
| Multimedia | Xiaomi Redmi K30S Ultra | Oppo A3s |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Headphone jack | No | |
| Yes | ||
| FM Radio | No | |
| Music | Yes | |
| Video | Yes | |
| Browser | Yes, supports HTML5 | |
| Java | No | |
| Design | Xiaomi Redmi K30S Ultra | Oppo A3s |
| Colors | Red, Dark Purple | |
| Dimensions | 165.1 x 76.4 x 9.3 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 216 g | 168 g |
| Battery | Xiaomi Redmi K30S Ultra | Oppo A3s |
| Battery capacity | 5000 mAh | 4230 mAh, Non-removable Li-Ion |
| Type | Non-Removable Battery | |
| Fast Charging | 33W Fast Charging | |
| Other | Xiaomi Redmi K30S Ultra | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass |
