| Hardware and OS | Koolnee K3 | vivo Y11 |
| Operating system | Android 8.0 Oreo | Android 4.4.4 (KitKat) |
| Processor | Octa-Core 4x 1.5 GHz ARM Cortex-A53 4x 1.0 GHz ARM Cortex-A53 | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | | Mediatek MT6582М |
| GPU | ARM Mali-T860 MP2, 650 MHz, 4-Cores | Mali-400MP2 |
| RAM | 4GB LPDDR3 | |
| Internal memory | | 4 GB, 512 MB RAM |
| Internal Storage | 64GB External Memory Support up to 128GB (Uses SIM 2 Slot) | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes with Modified Android | |
| Display | Koolnee K3 | vivo Y11 |
| Type | IPS, LCD capacitive touchscreen | IPS LCD |
| Size | 6.01 inches FHD | 4" inc |
| Resolution | 1080 x 2160 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 | ~ 402 PPI | 233 PPI |
| Protection | Yes Support | |
| Colors | 16M Colors | 16M |
| Features | FHD display, ~ 402 PPI, Capacitive, Multi-touch , 2.5D curved glass screen | |
| Connectivity | Koolnee K3 | vivo Y11 |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 4G Network | LTE : 800 / 1800 / 2100 / 2600 MHz | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, 802.11 n 5GHz, Wi-Fi Direct, Wi-Fi Hotspot, Dual-Band | 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 | Standard SIM | |
| GPRS | | Yes |
| Dual SIM | Hybrid Dual SIM (Nano Nano/microSD), Dual Standby | |
| GPS | | Yes, with A-GPS |
| Wireless Charging | Yes, Wireless Charging Technology | |
| Speed | LTE Cat6 300 Mbps Download, 51 Mbps Upload, HSUPA 5.76 Mbps Upload, HSDPA 21 Mbps Download | HSPA 21.1/7.2 Mbps |
| USB | Micro USB v2.0 With Charging and Mass Storage Function | microUSB 2.0, USB Host |
| Camera | Koolnee K3 | vivo Y11 |
| Main camera | 13MP, 2MP with Dual-LED and AF Rear Camera | 5 MP, Single |
| Image | 4160 x 3120 Pixels | |
| Specs | | 5 MP, AF |
| Features | Yes with Dual-LED Flash | LED flash |
| Video | | 1080p@30fps |
| Selfie camera | 5 Megapixel Front camera with Flash | 2 MP, Single |
| Multimedia | Koolnee K3 | vivo Y11 |
| Loudspeaker | Yes | |
| Video Playback | Up to 7 Hours | |
| Video Out | Yes With Wireless Media Link | |
| 3.5 mm Jack | yes | Yes |
| Ring Tones | MP3, WAV ringtones | |
| Radio | Yes with FM Recording | FM radio |
| Design | Koolnee K3 | vivo Y11 |
| Colors | | White, Black |
| Dimensions | | 123 x 62.5 x 8.8 mm |
| Weight | | 124 g |
| Battery | Koolnee K3 | vivo Y11 |
| Capacity | 3,100 mAh | |
| 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 | Koolnee K3 | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | Proximity Sensor, Accelerometer, Ambient Light, Fingerprint | Accelerometer, proximity , Infrared port |
