| Hardware and OS | TCL Y660 | vivo Y11 |
| Operating system | Android 7.1.1 Nougat | Android 4.4.4 (KitKat) |
| Processor | Quad-Core 1.3GHz ARM Cortex A53, CPU Clock | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | | Mediatek MT6582М |
| GPU | PowerVR GE8100, 570 MHz | Mali-400MP2 |
| RAM | 3GB | |
| Internal memory | | 4 GB, 512 MB RAM |
| Internal Storage | 32GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | External Memory Support up to 128GB | |
| User Interface | Yes | |
| Display | TCL Y660 | vivo Y11 |
| Type | IPS, LCD capacitive touchscreen | IPS LCD |
| Size | 5.7 inches HD | 4" inc |
| Resolution | 1440 x 720 Pixels, 24 bit color depth | 480 x 800 px |
| Touchscreen | Yes Multi Touch Support | capacitive touchscreen |
| Screen-to-Body Ratio | | 59.2% |
| Display area | | 45.5 cm2 |
| Display aspect ratio | | 5:3 (height:width) |
| Pixel Density | ~ 282 ppi | 233 PPI |
| Protection | Yes | |
| Colors | 16M Colors | 16M |
| Features | HD IPS, display, ~ 282 PPI Pixel Density, Capacitive, Multi-touch, 18:9 ratio, LTPS | |
| Connectivity | TCL Y660 | vivo Y11 |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 4G Network | Yes | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi Hotspot, 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 | Yes, with GPS, A-GPS | Yes, with A-GPS |
| Dual SIM | Hybrid Dual SIM (Nano SIM, Nano SIM/microSD), Dual Standby | |
| Speed | LTE: 800 / 1800 / 2100 / 2600 MHz | HSPA 21.1/7.2 Mbps |
| Wireless Charging | No | |
| USB | Micro USB 2.0 With Charging and Mass Storage Function | microUSB 2.0, USB Host |
| Camera | TCL Y660 | vivo Y11 |
| Main camera | 13 Megapixels, 5 Megapixels | 5 MP, Single |
| Specs | | 5 MP, AF |
| Image | 4160 x 3120 Pixels | |
| Features | Yes with Single-LED Flash | LED flash |
| Video | | 1080p@30fps |
| Selfie camera | 5 Megapixels with F2.2 aperture | 2 MP, Single |
| Multimedia | TCL Y660 | vivo Y11 |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| 3.5 mm Jack | yes | Yes |
| Video Playback | Yes Support 3GP, M4V, H.264, MKV, DivX, AVI, xVID, WMV, FLV, MP4, H.265, H.264: 1080P/30fps/50Mbps MPEG-4/DivX/XviD: 1080P/30fps/40Mbps H.263: 1080P/30fps/40Mbps Sorenson Spark: 1080P/30fps/40Mbps VP8: 1080P/30fps/40Mbps VP9: MPEG2 | |
| Radio | Yes With FM Recording | FM radio |
| Video Out | Yes With Wireless Media Link | |
| Ring Tones | Yes | |
| Design | TCL Y660 | vivo Y11 |
| Colors | | White, Black |
| Dimensions | 153.5 mm x 71.6 mm x 8.5 mm | 123 x 62.5 x 8.8 mm |
| Weight | 144 Grams (With Battery) | 124 g |
| Waterproof | No | |
| Battery | TCL Y660 | vivo Y11 |
| 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 |
| Capacity | 3,000 mAh Lithium-Ion | |
| Placement | Non-Removable | |
| Other | TCL Y660 | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | Proximity Sensor, Accelerometer, Ambient Light, Fingerprint Sensor, Compass | Accelerometer, proximity , Infrared port |
