| Hardware and OS | Xiaomi Mi 6X | vivo Y11 |
| Operating system | Android 8.1 Oreo OS | Android 4.4.4 (KitKat) |
| Processor | Qualcomm Snapdragon 660 MSM8976 Plus, 64-bit Processor | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | | Mediatek MT6582М |
| GPU | Qualcomm Adreno 512 graphics processor up to 650 MHz | Mali-400MP2 |
| RAM | 6GB | |
| Internal memory | | 4 GB, 512 MB RAM |
| Internal Storage | 128GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes with MIUI 9.5 | |
| Display | Xiaomi Mi 6X | vivo Y11 |
| Type | IPS, LTPS capacitive touchscreen | IPS LCD |
| Size | 5.99 inches | 4" inc |
| Resolution | 2160x1080 FHD | 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 | 233 PPI |
| Protection | Yes Corning Gorilla Glass 3 | |
| Colors | 16M Colors | 16M |
| Connectivity | Xiaomi Mi 6X | vivo Y11 |
| 4G Network | LTE : 850 / 900 / 1800 / 2100 / 2600 MHz, LTE-TDD : 1900 MHz (Band 39), LTE-TDD : 2300 MHz (Band 40), LTE-TDD : 2500 MHz (Band 41), LTE-TDD : 2600 MHz (Band 38) | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, 802.11n 5GHz, Wi-Fi Direct, Dual Band, Wi-Fi HotSpot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA |
| NFC | No | |
| SIM card | | Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth | | 4.0, A2DP, EDR |
| Edge | | Yes |
| SIM | Nano SIM | |
| GPRS | | Yes |
| Dual SIM | Dual Nano-SIM card slot | |
| GPS | Yes, with A-GPS, Beidou, GLONASS | Yes, with A-GPS |
| Speed | LTE Cat-12 603 Mbps Download, 102 Mbps Upload Over 4G | HSPA 21.1/7.2 Mbps |
| USB | USB Type-C Two-sided Charging Interface | microUSB 2.0, USB Host |
| Camera | Xiaomi Mi 6X | vivo Y11 |
| Image | 4032 x 3024 Pixels | |
| Main camera | 20-Megapixel AI dual | 5 MP, Single |
| Specs | | 5 MP, AF |
| Features | Monochrome Temp. Flash | LED flash |
| Video | | 1080p@30fps |
| Selfie camera | 20-Megapixel "Healing" self-timer | 2 MP, Single |
| Multimedia | Xiaomi Mi 6X | vivo Y11 |
| Loudspeaker | Yes | |
| Video Playback | Up to 7.1 Hours | |
| Video Out | Yes With Wireless Media Link | |
| Ring Tones | MP3, WAV ringtones | |
| 3.5 mm Jack | yes | Yes |
| Radio | No | FM radio |
| Design | Xiaomi Mi 6X | vivo Y11 |
| Colors | | White, Black |
| Waterproof | No | |
| Dimensions | 158.7 mm X 75.4 mm X 7.3 mm (Height X Width X Thickness) | 123 x 62.5 x 8.8 mm |
| Weight | 168g | 124 g |
| Battery | Xiaomi Mi 6X | vivo Y11 |
| Capacity | 3010mAh(typ)/ 2910mAh (min) | |
| Battery capacity | | 1700 mAh, Removable Li-Po |
| Placement | Built-in battery, no replacement | |
| Battery life | | Talking time- Up to 11 h (2G) / Up to 8 h (3G) Music play - Up to 34 h |
| Other | Xiaomi Mi 6X | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | Proximity Sensor, Accelerometer, Ambient Light, Compass, Gyroscope Sensor, Fingerprint ID (Rear Mounted), IR Sensor | Accelerometer, proximity , Infrared port |