| Samsung W20 5G |
Oppo A3s |
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| Hardware and OS | Samsung W20 5G | Oppo A3s |
| Operating system | Android v9.0 (Pie) | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | 2.8 GHz, Octa Core Processor | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm Snapdragon 855 | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 506 | |
| Cores | 1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485 | |
| Internal memory | 256 GB | 16 GB, 2 GB RAM |
| RAM | 8 GB | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Memory Card Slot | No | |
| Graphics | Adreno 640 | |
| Dual Sim | Yes | |
| Sim Size | Nano SIM | |
| Sim Type | Dual Sim, GSM GSM | |
| Display | Samsung W20 5G | Oppo A3s |
| Type | IPS LCD | |
| Size | 6.2" inc | |
| Resolution | 720 x 1520 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 81.2% | |
| Display area | 95.9 cm2 | |
| Screen Size | 7.3 inches, 1536 x 2152 pixels | |
| Display aspect ratio | 16:10 | 19:9 (height:width) |
| Display Type | Color Dynamic AMOLED (16M) | |
| Pixel Density | ~362 PPI | 271 PPI |
| Colors | 16M | |
| Touch Screen | Yes, with Multitouch | |
| Dual Display | Yes, Super AMOLED, 4.6 inches, 720 x 1680 pixels, 16M, 4.5" Rounded Corners | |
| Foldable Display | Yes | |
| Connectivity | Samsung W20 5G | Oppo A3s |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | Yes | HSDPA 850 / 900 / 2100 |
| 4G Network | Yes | 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) | |
| Bluetooth | Yes, v5.0 | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, GALILEO | Yes, with A-GPS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | |
| VoLTE | Yes | |
| USB | Yes, USB-C v3.1 | microUSB 2.0, USB On-The-Go |
| Wifi | Yes, with wifi-hotspot | |
| Camera | Samsung W20 5G | Oppo A3s |
| Main camera | 12 MP f/1.5 16 MP f/2.4 12 MP f/2.4 | 13 MP, Dual |
| Specs | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | |
| Video Recording | 4K @ 60fps UHD | |
| Features | Optical Zoom at 2x , Digital Zoom up to 10x | LED flash, HDR, panorama |
| Flash | Yes, LED | |
| Video | 1080p@30fps | |
| Selfie camera | 10 MP f/2.2 8 MP f/1.9 | 8 MP, Single |
| Multimedia | Samsung W20 5G | Oppo A3s |
| Headphone jack | No | |
| 3.5 mm Jack | Yes | |
| Yes | ||
| Radio | FM radio | |
| FM Radio | No | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE | |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | |
| Browser | Yes, supports HTML5 | |
| Java | No | |
| Design | Samsung W20 5G | Oppo A3s |
| Colors | Red, Dark Purple | |
| Dimensions | 160.9 x 62.8 x 15.7 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 276 g | 168 g |
| Case type | Folder | |
| Battery | Samsung W20 5G | Oppo A3s |
| Battery capacity | 4380 mAh, Li-Po Battery | 4230 mAh, Non-removable Li-Ion |
| Type | Non-Removable Battery | |
| Music Playback Time | 76 hours | |
| Talk Time | 47 hours | |
| Fast Charging | Yes | |
| Other | Samsung W20 5G | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass |
