| Samsung Galaxy A51 |
vivo Y11 |
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| Hardware and OS | Samsung Galaxy A51 | vivo Y11 |
| Operating system | Android 10.0; One UI 2 | Android 4.4.4 (KitKat) |
| Processor | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | Exynos 9611 (10nm) | Mediatek MT6582М |
| GPU | Mali-G72 MP3 | Mali-400MP2 |
| Internal memory | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 4 GB, 512 MB RAM |
| External memory | microSD, up to 1 TB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy A51 | vivo Y11 |
| Type | Super AMOLED | IPS LCD |
| Size | 6.5" inc | 4" inc |
| Resolution | 1080 x 2400 px | 480 x 800 px |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 87.4% | 59.2% |
| Display area | 102.0 cm2 | 45.5 cm2 |
| Display aspect ratio | 20:9 (height:width) | 5:3 (height:width) |
| Pixel Density | 405 PPI | 233 PPI |
| Colors | 16M | 16M |
| Connectivity | Samsung Galaxy A51 | vivo Y11 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
| 4G Network | LTE (unspecified) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA |
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth | 5.0, A2DP, LE | 4.0, A2DP, EDR |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| NFC | Yes | |
| Speed | HSPA, LTE-A | HSPA 21.1/7.2 Mbps |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | microUSB 2.0, USB Host |
| Camera | Samsung Galaxy A51 | vivo Y11 |
| Main camera | 48 MP, Quad | 5 MP, Single |
| Specs | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF -12 MP, f/2.2, 12mm (ultrawide) -5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm -5 MP, f/2.2, 1/5.0", 1.12µm, depth sensor | 5 MP, AF |
| Features | LED flash, panorama, HDR | LED flash |
| Video | 2160p@30fps, 1080p@30/120fps; gyro-EIS | 1080p@30fps |
| Selfie camera | 32 MP, Single | 2 MP, Single |
| Multimedia | Samsung Galaxy A51 | vivo Y11 |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio |
| Design | Samsung Galaxy A51 | vivo Y11 |
| Colors | Prism Crush Black, White, Blue, Pink | White, Black |
| Body build | Glass front (Gorilla Glass 3), plastic back, plastic frame | |
| Dimensions | 158.5 x 73.6 x 7.9 mm | 123 x 62.5 x 8.8 mm |
| Weight | 172 g | 124 g |
| Battery | Samsung Galaxy A51 | vivo Y11 |
| Battery capacity | 4000 mAh, Non-removable Li-Po | 1700 mAh, Removable Li-Po |
| Battery life | Talking time- Up to 32 h (3G) Music play - Up to 87 h | Talking time- Up to 11 h (2G) / Up to 8 h (3G) Music play - Up to 34 h |
| Other | Samsung Galaxy A51 | vivo Y11 |
| Sensors | Accelerometer, proximity , Infrared port | |
| SAR | SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 W/kg (body) | |
| Release date | 2019, December | 2014, Q4 |
