| Samsung Galaxy Fold |
Oppo A3s |
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| Hardware and OS | Samsung Galaxy Fold | Oppo A3s |
| Operating system | Android 9.0 (Pie) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm SDM855 Snapdragon 855 (7 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 640 | Adreno 506 |
| Internal memory | 512 GB, 12 GB RAM | 16 GB, 2 GB RAM |
| External memory | No | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy Fold | Oppo A3s |
| Type | Dynamic AMOLED | IPS LCD |
| Size | 7.3" inc | 6.2" inc |
| Resolution | 1536 x 2152 px | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 85.7% | 81.2% |
| Display area | 162.6 cm2 | 95.9 cm2 |
| Display aspect ratio | 16:10 (height:width) | 19:9 (height:width) |
| Pixel Density | 362 PPI | 271 PPI |
| Colors | 16M | 16M |
| Other | HDR10 -Cover display: 4.6", Super AMOLED, 720 x 1680 pixels (21:9) | |
| Connectivity | Samsung Galaxy Fold | 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 | LTE | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE |
| SIM card | Nano-SIM, Electronic SIM card (eSIM) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 5.0, A2DP, LE, aptX HD | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| Speed | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | 3.1, Type-C 1.0 reversible connector | microUSB 2.0, USB On-The-Go |
| NFC | Yes | |
| Camera | Samsung Galaxy Fold | Oppo A3s |
| Main camera | 12 MP, Triple | 13 MP, Dual |
| Specs | 12 MP, f/1.5-2.4, 27mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, OIS - 12 MP, f/2.4, 52mm (telephoto), 1/3.6", 1.0µm, AF, OIS, 2x optical zoom - 16 MP, f/2.2, 12mm (ultrawide), 1.0µm | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Video | 2160p@60fps, 1080p@60/240fps (gyro-EIS), 720p@960fps (gyro-EIS), HDR10 | 1080p@30fps |
| Selfie camera | 10 MP, Dual | 8 MP, Single |
| Multimedia | Samsung Galaxy Fold | Oppo A3s |
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio |
| Design | Samsung Galaxy Fold | Oppo A3s |
| Colors | Space Silver, Cosmos Black, Martian Green, Astro Blue | Red, Dark Purple |
| Dimensions | 160.9 x 62.9 x 15.5 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 263 g | 168 g |
| Battery | Samsung Galaxy Fold | Oppo A3s |
| Battery capacity | 4380 mAh, Non-removable Li-Po | 4230 mAh, Non-removable Li-Ion |
| Other | Samsung Galaxy Fold | Oppo A3s |
| Release date | 2019, February | 2018, July |
| Sensors | Accelerometer, proximity, compass | |
| SAR | SAR - 0.41 W/kg (head) 1.39 W/kg (body) SAR EU - 0.49 W/kg (head) 1.58 W/kg (body) |
