| Samsung Galaxy Quantum 2 |
Oppo A3s |
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| Hardware and OS | Samsung Galaxy Quantum 2 | Oppo A3s |
| Operating system | Android 11, One UI 3.1 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm SM8150 Snapdragon 855 (7 nm), QRNG security chipset | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 640 (700 MHz) | Adreno 506 |
| Internal memory | 128GB 6GB RAM | 16 GB, 2 GB RAM |
| External memory | microSDXC (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy Quantum 2 | Oppo A3s |
| Type | Dynamic AMOLED 2X, 120Hz, 1200 nits (peak) | IPS LCD |
| Size | 6.7 inches, 108.4 cm2 | 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 | |
| Main Camera | Samsung Galaxy Quantum 2 | Oppo A3s |
| Camera | 64 MP, f/1.8, 26mm (wide), 1/1.7X", 0.8µm, PDAF, OIS 12 MP, f/2.2, 123?? (ultrawide), 1.12µm 5 MP, f/2.4, (macro) | |
| Features | LED flash, panorama, HDR | |
| Video | 4K@30fps, 1080p@30/60/240fps; gyro-EIS | |
| Selfie camera | Samsung Galaxy Quantum 2 | Oppo A3s |
| Camera | 10 MP, f/2.2, (wide) | |
| Features | HDR | |
| Video | 1080p@30fps | |
| Connectivity | Samsung Galaxy Quantum 2 | Oppo A3s |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 | 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 | 78 Sub6 | |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | |
| GPRS | Yes | |
| NFC | Yes | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | 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 |
| Technology | GSM / HSPA / LTE / 5G | |
| USB | USB Type-C 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Camera | Samsung Galaxy Quantum 2 | Oppo A3s |
| Main camera | 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 | 8 MP, Single | |
| Multimedia | Samsung Galaxy Quantum 2 | Oppo A3s |
| Loudspeaker | Yes, with stereo speakers | |
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio |
| Design | Samsung Galaxy Quantum 2 | Oppo A3s |
| Colors | Black, White, Violet | Red, Dark Purple |
| Dimensions | 161.9 x 73.8 x 8.1 mm (6.37 x 2.91 x 0.32 in) | 156.2 x 75.6 x 8.2 mm |
| SIM | Nano-SIM | |
| Weight | 176 g (6.21 oz) | 168 g |
| Features | Samsung Galaxy Quantum 2 | Oppo A3s |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass | |
| Battery | Samsung Galaxy Quantum 2 | Oppo A3s |
| Type | Li-Po 4500 mAh, non-removable | |
| Charging | Fast charging 25W | |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Other | Samsung Galaxy Quantum 2 | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass |
