On this page we compare specs Asus Zenfone 8 ZS673KS Octa-core (1x2.84 GHz Kryo 680, 3x2.42 GHz Kryo 680, 4x1.80 GHz Kryo 680) with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| Operating system | Android 11, ZenUI 8 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (1x2.84 GHz Kryo 680, 3x2.42 GHz Kryo 680, 4x1.80 GHz Kryo 680) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 660 | Adreno 506 |
| RAM | 6 GB, 8 GB, 16 GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 128 GB, 256 GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | No | |
| User Interface | Yes | |
| Display | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| Type | Super AMOLED | IPS LCD |
| Size | 5.9 inches | 6.2" inc |
| Resolution | 1080 x 2400 pixels | 720 x 1520 px |
| Touchscreen | Yes | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Protection | Corning Gorilla Glass Victus | |
| Pixel Density | 446 PPI | 271 PPI |
| Features | Always-on display, | |
| Colors | 16M Colors | 16M |
| Connectivity | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 5G Network | 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 SA/NSA - International | |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - International | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| NFC | Yes | |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 4.2, A2DP, LE |
| SIM | Nano SIM | |
| Edge | | Yes |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| GPRS | | Yes |
| GPS | Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC | Yes, with A-GPS |
| Wireless Charging | No | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat20 2000/150 Mbps, 5G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | USB Type-C 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Camera | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| Main camera | 64 MP (wide), 12 MP (ultrawide) | 13 MP, Dual |
| Image | 3240p | |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 12 MP (standard) | 8 MP, Single |
| Multimedia | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Video Playback | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Video Out | Yes | |
| Radio | FM radio (market/region dependent) | FM radio |
| Ring Tones | Yes | |
| Design | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| Colors | | Red, Dark Purple |
| Dimensions | 148 x 68.5 x 8.9 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 169 g | 168 g |
| Waterproof | IP68 | |
| Battery | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Capacity | Li-Po 4000 mAh, Fast charging 30W, 60% in 25 min, 100% in 80 min (advertised), USB Power Delivery 3.0, Reverse charging | |
| Placement | Non-removable | |
| Other | Asus Zenfone 8 ZS673KS | Oppo A3s |
|---|
| Release date | | 2018, July |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, | Accelerometer, proximity, compass |
