| Xiaomi 12S Pro (Snapdragon) |
Oppo A3s |
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| Hardware and OS | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Operating system | Android 12; MIUI 13 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Qualcomm Adreno 730 | Adreno 506 |
| RAM | 8GB 128GB / 8GB 256GB / 12GB 256GB / 12GB 512GB | |
| Internal memory | 16 GB, 2 GB RAM | |
| Memory Card Slot | No | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Type | LTPO AMOLED touchscreen / 120Hz / Dolby Vision / HDR10 / 1500 Max. nits / 1billion colors | IPS LCD |
| Size | 6.73 inches, (89.6% screen-to-body ratio) | 6.2" inc |
| Resolution | 1440 x 3200 pixels, 20:9 ratio | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 81.2% | |
| Display area | 95.9 cm2 | |
| Display aspect ratio | 19:9 (height:width) | |
| Pixel Density | 271 PPI | |
| Colors | 16M | |
| Connectivity | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| 5G Network | 5G band 1, 3, 5, 8, 28 SA/NSA | |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 and SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42 | LTE |
| NFC | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, 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 | 5.2, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC | Yes, with A-GPS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Camera | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Camera Features | Autofocus / Continuous shooting / Digital zoom / HDR / Touch focus / Face detection / LED flash / Leica lens / gyro-EIS | |
| Camera Type | Triple Lenses | |
| Video Recording | 8K@24fps, 4K@30/60fps (HDR10 ), 1080p@30/120/240/960fps | |
| Main camera | Main: 50MP, IMX707 f/1.9, OIS, 1/1.28" sensor size, PDAF Ultrawide: 50MP, f/2.2, 115? FoV, Telephoto: 50MP with 2x optical zoom | 13 MP, Dual |
| Video Resolution | 1080p@30/60fps, 720p@120fps | |
| Specs | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | 32-megapixel punch hole camera | 8 MP, Single |
| Multimedia | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Headphone jack | No | |
| FM Radio | No | |
| Loudspeaker | Yes, with stereo speakers | |
| Sound Enhancements | Yes - 24-bit/192kHz audio - Sound by Harman Kardon | |
| Speaker Location | Placed at the basement and top | |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Body build | Glass front (Gorilla Glass Victus) / Glass back / Aluminum frame - There is also a leather back model | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Red, Dark Purple | |
| Dimensions | 163.6 x 74.6 x 8.2 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 203 grams | 168 g |
| Battery | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Capacity | Non-removable Li-Po 4600mAh battery | |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Fast Charging | Yes, 120W fast charging (100% in 19 minutes - USB Power Delivery 3.0 | |
| Wireless Charging | Yes, 50W fast charging - 10W Reverse wireless charging | |
| Other | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass | |
| Other features | Xiaomi 12S Pro (Snapdragon) | Oppo A3s |
| Colors | Black, Green, Blue, Pink | |
| Sensors | Fingerprint (under display), accelerometer, proximity, gyro, compass |
