| vivo iQOO 9 (China) |
Oppo A3s |
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| Hardware and OS | vivo iQOO 9 (China) | Oppo A3s |
| Operating system | Android 12, Origin OS Ocean | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 730 | Adreno 506 |
| Internal memory | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM | 16 GB, 2 GB RAM |
| External memory | No | microSD, up to 256 GB (dedicated slot) |
| Display | vivo iQOO 9 (China) | Oppo A3s |
| Type | AMOLED, 120Hz, HDR10, 1500 nits (peak) | IPS LCD |
| Size | 6.78 inches, 111.0 cm2(~88.0% screen-to-body ratio) | 6.2" inc |
| Resolution | 1080 x 2400 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 | White (BMW M branding), Orange, Black | 16M |
| Connectivity | vivo iQOO 9 (China) | Oppo A3s |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | 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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 | LTE |
| 5G Network | 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 5.2, A2DP, LE, aptX HD, aptX Adaptive | 4.2, A2DP, LE |
| NFC | Yes | |
| Edge | Yes | |
| GPRS | Yes | |
| CDMA | CDMA 800 | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | 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 |
| USB | USB Type-C 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | |
| Camera | vivo iQOO 9 (China) | 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 | |
| Main Camera | vivo iQOO 9 (China) | Oppo A3s |
| Camera | 50 MP, f/1.8, (wide), 1/1.57", 1.0?m, PDAF, OIS 12 MP, f/2.0, 47mm (telephoto), PDAF, 2x optical zoom 13 MP, f/2.2, 16mm, 120° (ultrawide) | |
| Features | Dual-LED dual-tone flash, HDR, panorama | |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | |
| Selfie camera | vivo iQOO 9 (China) | Oppo A3s |
| Camera | 16 MP, f/2.5, (wide) | |
| Features | HDR | |
| Video | 1080p@30fps, gyro-EIS | |
| Multimedia | vivo iQOO 9 (China) | Oppo A3s |
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio |
| Multimedia | 24-bit/192kHz audio | |
| Loudspeaker | Yes, with dual speakers | |
| Design | vivo iQOO 9 (China) | Oppo A3s |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Red, Dark Purple | |
| Dimensions | 164.5 x 76.7 x 8.4 mm (6.48 x 3.02 x 0.33 in) | 156.2 x 75.6 x 8.2 mm |
| Weight | 206 g (7.27 oz) | 168 g |
| Features | vivo iQOO 9 (China) | Oppo A3s |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | |
| Battery | vivo iQOO 9 (China) | Oppo A3s |
| Battery capacity | 4230 mAh, Non-removable Li-Ion | |
| Type | Li-Po 4700 mAh, non-removable | |
| Charging | Fast charging 120W, 100% in 19 min (advertised) 10W reverse wireless charging | |
| Other | vivo iQOO 9 (China) | Oppo A3s |
| Release date | 2018, July | |
| Sensors | Accelerometer, proximity, compass |
