| Ulefone Note 12 |
Oppo A3s |
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| Hardware and OS | Ulefone Note 12 | Oppo A3s |
| Operating system | Android 11 Red Velvet Cake | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-Core (4x Cortex A55 1.6 GHz 4x Cortex A55 1.2 GHz) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Spreadtrum Unisoc SC9863A (28 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | PowerVR GE8322 | Adreno 506 |
| Internal memory | 4GB 128GB | 16 GB, 2 GB RAM |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | Ulefone Note 12 | Oppo A3s |
| Type | LCD IPS | IPS LCD |
| Size | 6.82" inc | 6.2" inc |
| Resolution | 720 x 1640 px | 720 x 1520 px |
| Display colors | 16M | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen area | cm2 | |
| Screen-to-Body Ratio | 81.2% | |
| Screen format | 20:9 (height:width) | |
| Display area | 95.9 cm2 | |
| Screen to body ratio | 81% | |
| Display aspect ratio | 19:9 (height:width) | |
| PPI /points per inch/ | 268 PPI | |
| Pixel Density | 271 PPI | |
| Screen protection | Scratch resistant | |
| Colors | 16M | |
| Connectivity | Ulefone Note 12 | Oppo A3s |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| NFC | No | |
| 4G Network | LTE | |
| Wi-Fi | 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, Dual band ,Wi-Fi Hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | 2G / 3G / 4G / | GSM / HSPA / LTE |
| SIM card | Dual SIM, dual stand-by (Nano SIM Nano SIM) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Bluetooth 5.0, A2DP | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | GPS, A-GPS, GLONASS, Beidou, Galileo | Yes, with A-GPS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | |
| USB | Yes, USB Type C, USB On-The-Go (OTG) | microUSB 2.0, USB On-The-Go |
| Camera | Ulefone Note 12 | Oppo A3s |
| Rear camera, main | 13 MP, Triple | |
| Camera specs | 13 MP, ?/ 1.8, (wide), -2 MP, ?/ 2.2, (macro), -2 MP, (depth) | |
| Functions | Dual LED flash | |
| Main camera | 13 MP, Dual | |
| Specs | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | |
| Front camera, selfie | 8 MP, Single | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p video | 1080p@30fps |
| Selfie camera | 8 MP, Single | |
| Multimedia | Ulefone Note 12 | Oppo A3s |
| Headphone jack | Yes | |
| Others | AW8739 audio chip | |
| 3.5 mm Jack | Yes | |
| Radio | Yes | FM radio |
| Design | Ulefone Note 12 | Oppo A3s |
| Dimensions (HxWxD) | 173.6 x79.1 x 10.2 mm | 6.83 x 3.11 x 0.4 in | |
| Colors | Black, Blue, Red, Yellow | Red, Dark Purple |
| Body build | Polycarbonate | |
| Dimensions | 156.2 x 75.6 x 8.2 mm | |
| Weight | 237 g | 8.36 oz | 168 g |
| Battery | Ulefone Note 12 | Oppo A3s |
| Battery | 7700 mAh, Li-Ion Polymer, non-removable | |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Other features | Ulefone Note 12 | Oppo A3s |
| Sensors | Fingerprint (rear-mounted), Proximity, Accelerometer, compass, gyro , Infrared port Fast charging 10.0W | |
| Other | Ulefone Note 12 | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass |
