| UMiDIGI Bison GT2 Pro |
Oppo A3s |
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| Hardware and OS | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Operating system | Android 11; (promised upgrade to Android 12 via OTA) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Mediatek Helio G96 (12 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Mali-G76 MC4 | Adreno 506 |
| RAM | 8 GB | |
| Internal memory | 16 GB, 2 GB RAM | |
| Memory Card Slot | Yes, up to 512GB via microSD card (uses SIM 2 slot) | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD |
| Size | 6.5 inches, (82.8% screen-to-body ratio) | 6.2" inc |
| Resolution | 1080 x 2400 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 | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Technology | GSM / HSPA / LTE | |
| 2G Network | 2G Band: 2(1900), 3(1800), 5(850), 8(900) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | WCDMA Bands: 1(2100), 2(1900), 4(1700), 5( 850), 6(800), 8(900), 19(800) | HSDPA 850 / 900 / 2100 |
| NFC | Yes | |
| 4G Network | LTE Bands: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 29, 40, 41, 66 | LTE |
| 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 | Bluetooth 5.0, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO | 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 | Micro USB Type-C 2.0 reversible connector, OTG | microUSB 2.0, USB On-The-Go |
| Camera | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Camera Features | Autofocus, HDR, Touch Focus, Night mode | |
| Camera Type | Triple Lenses | |
| Video Recording | 2160p@30fps, 1080p@30fps, gyro-EIS | |
| Video Resolution | 1080p | |
| Main camera | Main: 64 MP, f/1.8, PDAF Ultrawide: 8MP 117° FoV Macro: 5MP F/2.4, 2.5cm | 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 | 24-megapixel | 8 MP, Single |
| Multimedia | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Headphone jack | Yes, 3.5mm audio jack | |
| Loudspeaker | Yes | |
| Sound Enhancements | Active Noise Cancelation with a dedicated mic | |
| Speaker Location | Chin, below display | |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Body build | Glass front - IP68/IP69k - MIL-STD-810G certified | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Red, Dark Purple | |
| Dimensions | 172.2 x 83.9 x 12.9 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 280 grams | 168 g |
| Battery | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Capacity | Non-removable Li-Polymer 6150mAh battery | |
| Fast Charging | 18W charging | |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Other features | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Colors | Hack Black | |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximit - Non-Contact Digital Infrared Thermometer | |
| Other | UMiDIGI Bison GT2 Pro | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass |
