| Oppo Realme X9 |
vivo Y11 |
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| Hardware and OS | Oppo Realme X9 | vivo Y11 |
| Operating system | Android 11, Realme UI 2.0 | Android 4.4.4 (KitKat) |
| Processor | Quad-core 1.3 GHz Cortex-A7 | |
| Chipset | Mediatek MT6582М | |
| GPU | Mali-400MP2 | |
| Internal memory | 128GB 8GB RAM, 256GB 12GB RAM | 4 GB, 512 MB RAM |
| External memory | No | microSD, up to 256 GB (dedicated slot) |
| Display | Oppo Realme X9 | vivo Y11 |
| Type | OLED, HDR10 | IPS LCD |
| Display colors | 16M | |
| Size | 6.4" inc | 4" inc |
| Screen area | 98.9 cm2 | |
| Resolution | 1080 x 2400 px | 480 x 800 px |
| Screen format | 20:9 (height:width) | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen to body ratio | % | |
| Screen-to-Body Ratio | 59.2% | |
| PPI /points per inch/ | 411 PPI | |
| Display area | 45.5 cm2 | |
| Display aspect ratio | 5:3 (height:width) | |
| Pixel Density | 233 PPI | |
| Colors | 16M | |
| Connectivity | Oppo Realme X9 | vivo Y11 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / HSPA |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth | 5.1, A2DP, LE | 4.0, A2DP, EDR |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| Speed | HSPA 21.1/7.2 Mbps | |
| USB | USB Type-C 2.0, USB On-The-Go | microUSB 2.0, USB Host |
| Camera | Oppo Realme X9 | vivo Y11 |
| Rear camera, main | 64 MP, Triple | |
| Camera specs | 64 MP, (wide), PDAF -13 MP, (ultrawide) -2 MP, (depth) | |
| Functions | LED flash, HDR, panorama | |
| Main camera | 5 MP, Single | |
| Front camera, selfie | 0 MP, Single | |
| Specs | 5 MP, AF | |
| Features | LED flash | |
| Video | 4K@30fps, 1080p@30/60/120fps, gyro-EIS | 1080p@30fps |
| Selfie camera | 2 MP, Single | |
| Multimedia | Oppo Realme X9 | vivo Y11 |
| Others | 24-bit/192kHz audio | |
| 3.5 mm Jack | Yes | |
| Radio | No | FM radio |
| Design | Oppo Realme X9 | vivo Y11 |
| Dimensions (HxWxD) | xx mm | 0 x 0 x 0 in | |
| Colors | Black; other colors | White, Black |
| Dimensions | 123 x 62.5 x 8.8 mm | |
| Weight | 0 g | 0 oz | 124 g |
| Other features | Oppo Realme X9 | vivo Y11 |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fast charging 65W | |
| Battery | Oppo Realme X9 | vivo Y11 |
| Battery | 4500 mAh, Li-Po, non-removable | |
| Battery capacity | 1700 mAh, Removable Li-Po | |
| Battery life | Talking time- Up to 11 h (2G) / Up to 8 h (3G) Music play - Up to 34 h | |
| Other | Oppo Realme X9 | vivo Y11 |
| Release date | 2014, Q4 | |
| Sensors | Accelerometer, proximity , Infrared port |
