| Hardware and OS | OPPO R9 | vivo Y11 |
| Operating system | Android 6.0 | Android 4.4.4 (KitKat) |
| Processor | | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | | Mediatek MT6582М |
| RAM | 4GB RAM | |
| GPU | GPU: Mali T860 MP2 | Mali-400MP2 |
| Internal Storage | 64GB | |
| Internal memory | | 4 GB, 512 MB RAM |
| Memory Card Slot | Supported, up to 128GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| User Interface | Color OS | |
| Display | OPPO R9 | vivo Y11 |
| Type | 2.5D Arc Screen,Capacitive (5-Points),Corning Gorilla Glass 3 | IPS LCD |
| Size | 5.5inch | 4" inc |
| Resolution | 1920 x 1080 (FHD) | 480 x 800 px |
| Touchscreen | Yes | capacitive touchscreen |
| Screen-to-Body Ratio | | 59.2% |
| Display area | | 45.5 cm2 |
| Protection | glass | |
| Display aspect ratio | | 5:3 (height:width) |
| Features | Capacitive screen touch | |
| Pixel Density | 401ppi | 233 PPI |
| Colors | | 16M |
| Connectivity | OPPO R9 | vivo Y11 |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| NFC | No | |
| Wi-Fi | 802.11a/b/g/n wireless internet | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA |
| SIM | Micro SIM | |
| SIM card | | Dual SIM (Micro-SIM, dual stand-by) |
| Dual SIM | Dual SIM, Dual Standby | |
| Bluetooth | | 4.0, A2DP, EDR |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes | Yes, with A-GPS |
| Speed | | HSPA 21.1/7.2 Mbps |
| USB | Type-C | microUSB 2.0, USB Host |
| Camera | OPPO R9 | vivo Y11 |
| Main camera | 13.0MP, with flash light and AF | 5 MP, Single |
| Specs | | 5 MP, AF |
| Features | Yes | LED flash |
| Video | | 1080p@30fps |
| Selfie camera | 16.0MP | 2 MP, Single |
| Multimedia | OPPO R9 | vivo Y11 |
| Loudspeaker | Yes | |
| Video Playback | 3GP,AVI,FLV,H.264,MP4 | |
| Ring Tones | MP3, WAV | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | OPPO R9 | vivo Y11 |
| Waterproof | No | |
| Colors | | White, Black |
| Dimensions | 151.8x74.3x6.6mm | 123 x 62.5 x 8.8 mm |
| Weight | 145g | 124 g |
| Battery | OPPO R9 | vivo Y11 |
| Placement | 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 R9 | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | Accelerometer,Ambient Light Sensor,Geomagnetic Sensor,Gravity Sensor,Gyroscope,Hall Sensor,Proximity Sensor | Accelerometer, proximity , Infrared port |
