| Hardware and OS | Xiaomi Mi 9X | vivo Y11 |
| Operating system | Android 9.0 (Pie); MIUI 10 | Android 4.4.4 (KitKat) |
| Processor | Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | | Mediatek MT6582М |
| GPU | Adreno 612 | Mali-400MP2 |
| RAM | 6GB | |
| Internal memory | | 4 GB, 512 MB RAM |
| Internal Storage | 64 GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | Xiaomi Mi 9X | vivo Y11 |
| Type | Super AMOLED | IPS LCD |
| Size | 6.39 inches, 100.2 cm2 | 4" inc |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio | 480 x 800 px |
| Touchscreen | Yes | capacitive touchscreen |
| Screen-to-Body Ratio | | 59.2% |
| Display area | | 45.5 cm2 |
| Display aspect ratio | | 5:3 (height:width) |
| Pixel Density | ~403 ppi density | 233 PPI |
| Protection | Yes Corning Gorilla Glass 6 | |
| Colors | 16 Millions Colors | 16M |
| Features | Fingerprint, accelerometer, gyro, proximity, compass | |
| Connectivity | Xiaomi Mi 9X | vivo Y11 |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 4G Network | Yes | |
| Wi-Fi | a, b, g, n, n 5GHz, ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA |
| SIM card | | Dual SIM (Micro-SIM, dual stand-by) |
| NFC | No | |
| Bluetooth | | 4.0, A2DP, EDR |
| Edge | | Yes |
| GPRS | | Yes |
| SIM | Nano SIM | |
| GPS | A-GPS, GPS (L1 L5), GLONASS (L1), BeiDou (B1), Galileo (E1 E5a) | Yes, with A-GPS |
| Dual SIM | Nano-SIM, Nano-SIM / microSD | |
| Speed | LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz (B12) | HSPA 21.1/7.2 Mbps |
| Wireless Charging | No | |
| USB | 2.0, USB Type-C | microUSB 2.0, USB Host |
| Camera | Xiaomi Mi 9X | vivo Y11 |
| Main camera | 48 MP, f/1.8, 27mm (wide), 1/2", 0.8??m, PDAF | 5 MP, Single |
| Specs | | 5 MP, AF |
| Image | 5000 x 3000 Pixels | |
| Features | Dual-LED flash, HDR, panorama | LED flash |
| Video | | 1080p@30fps |
| Selfie camera | 32 MP, f/2.0 | 2 MP, Single |
| Multimedia | Xiaomi Mi 9X | vivo Y11 |
| 3.5 mm Jack | yes | Yes |
| Radio | | FM radio |
| Design | Xiaomi Mi 9X | vivo Y11 |
| Waterproof | No | |
| Colors | | White, Black |
| Dimensions | | 123 x 62.5 x 8.8 mm |
| Weight | | 124 g |
| Battery | Xiaomi Mi 9X | vivo Y11 |
| Capacity | 3300 mAh Lithium-Polymer | |
| 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 | Xiaomi Mi 9X | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | Accelerometer, Ambient Light Sensor, E Compass, Fingerprint Scanner, Gyroscope, Hall Sensor, In-display fingerprint sensor, Proximity | Accelerometer, proximity , Infrared port |
