| Hardware and OS | BLU G51 | vivo Y11 |
| Operating system | Android 11 (Go edition) | Android 4.4.4 (KitKat) |
| Processor | Quad-core 2.0 GHz Cortex-A53 | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | Mediatek MT6761 Helio A22 (12 nm) | Mediatek MT6582М |
| GPU | PowerVR GE8320 | Mali-400MP2 |
| Internal memory | 32GB 2GB RAM | 4 GB, 512 MB RAM |
| External memory | microSDXC | microSD, up to 256 GB (dedicated slot) |
| Display | BLU G51 | vivo Y11 |
| Type | IPS LCD | IPS LCD |
| Size | 6.1" inc | 4" inc |
| Resolution | 720 x 1520 px | 480 x 800 px |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Display colors | 16M | |
| Screen-to-Body Ratio | | 59.2% |
| Screen area | 92.9 cm2 | |
| Display area | | 45.5 cm2 |
| Screen format | 19:9 (height:width) | |
| Display aspect ratio | | 5:3 (height:width) |
| Screen to body ratio | 81.4% | |
| Pixel Density | | 233 PPI |
| PPI /points per inch/ | 276 PPI | |
| Colors | | 16M |
| Connectivity | BLU G51 | vivo Y11 |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| NFC | No | |
| Network | GSM / HSPA / LTE | GSM / HSPA |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth | 4.2, A2DP, LE | 4.0, A2DP, EDR |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS | Yes, with A-GPS |
| Speed | | HSPA 21.1/7.2 Mbps |
| USB | microUSB 2.0 | microUSB 2.0, USB Host |
| Camera | BLU G51 | vivo Y11 |
| Rear camera, main | 8 MP, Dual | |
| Main camera | | 5 MP, Single |
| Camera specs | 8 MP
-0.3 MP (depth) | |
| Specs | | 5 MP, AF |
| Functions | LED flash, HDR, panorama | |
| Features | | LED flash |
| Video | 1080p@30fps | 1080p@30fps |
| Front camera, selfie | 8 MP, Single | |
| Selfie camera | | 2 MP, Single |
| Multimedia | BLU G51 | vivo Y11 |
| Headphone jack | Yes | |
| 3.5 mm Jack | | Yes |
| Radio | FM radio | FM radio |
| Design | BLU G51 | vivo Y11 |
| Dimensions (HxWxD) | 155.3 x 73.5 x 9.5 mm | 6.11 x 2.89 x 0.37 in | |
| Colors | Black, Blue, Green, Silver, Gold | White, Black |
| Dimensions | | 123 x 62.5 x 8.8 mm |
| Weight | 166 g | 5.86 oz | 124 g |
| Battery | BLU G51 | vivo Y11 |
| Battery | 3000 mAh, Li-Po | |
| 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 features | BLU G51 | vivo Y11 |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | |
| Other | BLU G51 | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | | Accelerometer, proximity , Infrared port |
