| Hardware and OS | iTel S31 | vivo Y11 |
| Operating system | Android 8.1 (Oreo, Go Edition) | Android 4.4.4 (KitKat) |
| Processor | Quad-core 1.3 GHz Cortex-A53 | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | Mediatek MT6580 (32nm) | Mediatek MT6582М |
| GPU | Mali-400MP2 | Mali-400MP2 |
| RAM | 1 GB | |
| Internal memory | | 4 GB, 512 MB RAM |
| Memory Card Slot | Yes, up to 32 GB via microSD card | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Display | iTel S31 | vivo Y11 |
| Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD |
| Size | 5.5 inches, 68.9 cm2 (~73.2% screen-to-body ratio) | 4" inc |
| Resolution | 480 x 854 pixels, 16:9 ratio | 480 x 800 px |
| Touchscreen | | capacitive touchscreen |
| Screen-to-Body Ratio | | 59.2% |
| Display area | | 45.5 cm2 |
| Display aspect ratio | | 5:3 (height:width) |
| Pixel Density | | 233 PPI |
| Colors | | 16M |
| Connectivity | iTel S31 | vivo Y11 |
| 3G Network | HSDPA 850 / 1900 | |
| Technology | GSM / HSPA | |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| NFC | No | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA |
| SIM card | | Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth | Bluetooth 4.2 | 4.0, A2DP, EDR |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes | Yes, with A-GPS |
| Speed | HSPA 21.1/5.76 Mbps | HSPA 21.1/7.2 Mbps |
| USB | Micro USB 2.0 | microUSB 2.0, USB Host |
| Camera | iTel S31 | vivo Y11 |
| Camera Features | Geo-tagging, touch focus, PDAF, HDR | |
| Camera Type | Single Lens | |
| Video Recording | 720p@30fps | |
| Main camera | 5-megapixel main camera | 5 MP, Single |
| Video Resolution | VGA | |
| Specs | | 5 MP, AF |
| Features | | LED flash |
| Video | | 1080p@30fps |
| Selfie camera | 5-megapixel | 2 MP, Single |
| Multimedia | iTel S31 | vivo Y11 |
| Headphone jack | Yes, 3.5mm audio jack | |
| FM Radio | Yes | |
| Loudspeaker | Yes | |
| Sound Enhancements | None | |
| Speaker Location | Back | |
| 3.5 mm Jack | | Yes |
| Radio | | FM radio |
| Design | iTel S31 | vivo Y11 |
| Body build | Plastic | |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Colors | | White, Black |
| Dimensions | 146.7 x 74 x 8.3 mm (5.66 x 2.85 x 0.37 in) | 123 x 62.5 x 8.8 mm |
| Weight | 143 g (4.02 oz) | 124 g |
| Battery | iTel S31 | vivo Y11 |
| Capacity | Non-removable Li-Ion 2400 mAh battery | |
| Battery capacity | | 1700 mAh, Removable Li-Po |
| Fast Charging | No | |
| Battery life | | Talking time- Up to 11 h (2G) / Up to 8 h (3G)
Music play - Up to 34 h |
| Wireless Charging | No | |
| Music Play time | Up to 25 hours | |
| Standby time | Up to 400 hours | |
| TalkTime | Up to 19 hours | |
| Other | iTel S31 | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | | Accelerometer, proximity , Infrared port |
| Other features | iTel S31 | vivo Y11 |
| Colors | Champagne Gold, Ice Blue, City Blue | |
| Sensors | Accelerometer, proximity | |
