On this page we compare specs vivo iQOO Z7x Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) 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 | vivo iQOO Z7x | Oppo A3s |
|---|
| Operating system | Android 13, OriginOS 3 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm SM6375 Snapdragon 695 5G (6 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 619 | Adreno 506 |
| Internal memory | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 16 GB, 2 GB RAM |
| External memory | microSDXC | microSD, up to 256 GB (dedicated slot) |
| Display | vivo iQOO Z7x | Oppo A3s |
|---|
| Type | IPS LCD, 120Hz | IPS LCD |
| Size | 6.64 inches, 106.8 cm2(~85.6% screen-to-body ratio) | 6.2" inc |
| Resolution | 1080 x 2388 pixels | 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 | vivo iQOO Z7x | Oppo A3s |
|---|
| 5G Network | 1, 5, 8, 28, 41, 77, 78 SA/NSA | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| NFC | No | |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 3, 5, 8, 28, 34, 38, 39, 40, 41 | LTE |
| CDMA | CDMA 800 | |
| 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) |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | |
| Bluetooth | 5.1, A2DP, LE, aptX HD | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | | Yes, with A-GPS |
| Speed | HSPA, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | USB Type-C 2.0, OTG | microUSB 2.0, USB On-The-Go |
| Main Camera | vivo iQOO Z7x | Oppo A3s |
|---|
| Camera | 50 MP, f/1.8, (wide), PDAF
2 MP, f/2.4, (depth) | |
| Features | Dual-LED dual-tone flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | vivo iQOO Z7x | Oppo A3s |
|---|
| Camera | 8 MP, f/2.0, (wide) | |
| Video | 1080p@30fps | |
| Camera | vivo iQOO Z7x | 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 | vivo iQOO Z7x | Oppo A3s |
|---|
| Loudspeaker | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | | FM radio |
| Design | vivo iQOO Z7x | Oppo A3s |
|---|
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Black, Blue, Orange | Red, Dark Purple |
| Dimensions | 164.6 x 75.8 x 9.1 mm (6.48 x 2.98 x 0.36 in) | 156.2 x 75.6 x 8.2 mm |
| Weight | 205 g (7.23 oz) | 168 g |
| Features | vivo iQOO Z7x | Oppo A3s |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | |
| Battery | vivo iQOO Z7x | Oppo A3s |
|---|
| Type | Li-Po 6000 mAh, non-removable | |
| Charging | 80W wired, 1-70% in 34 min (advertised) | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | vivo iQOO Z7x | Oppo A3s |
|---|
| Release date | | 2018, July |
| Sensors | | Accelerometer, proximity, compass |
