| Hardware and OS | Samsung Galaxy S21 Plus | vivo Y11 |
| Operating system | Android v11 | Android 4.4.4 (KitKat) |
| Processor | Samsung Exynos 2100 | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | | Mediatek MT6582М |
| RAM | 8 GB | |
| GPU | | Mali-400MP2 |
| Internal Storage | 128 GB | |
| Internal memory | | 4 GB, 512 MB RAM |
| Custom UI | Samsung One UI | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy S21 Plus | vivo Y11 |
| Type | Dynamic AMOLED | IPS LCD |
| Size | 6.7 inches | 4" inc |
| Resolution | 1080 x 2400 Pixels | 480 x 800 px |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 59.2% |
| Protection | Corning Gorilla Glass | |
| Display area | | 45.5 cm2 |
| Aspect ratio | 20:9 | |
| Display aspect ratio | | 5:3 (height:width) |
| Refresh rate | 120 Hz | |
| Pixel Density | 393 ppi | 233 PPI |
| Screen to body ratio calculated | 88.77 % | |
| Colors | | 16M |
| Connectivity | Samsung Galaxy S21 Plus | vivo Y11 |
| Network support | 5G , 4G , 3G, 2G | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Wi-Fi | Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | | GSM / HSPA |
| SIM card | | Dual SIM (Micro-SIM, dual stand-by) |
| NFC | Yes | |
| Bluetooth | Yes, v5.1 | 4.0, A2DP, EDR |
| Dual SIM | Dual SIM, GSM GSM | |
| Edge | | Yes |
| SIM size | SIM1: Nano, SIM2: Nano | |
| GPRS | | Yes |
| USB TYPE-C | Yes | |
| GPS | Yes, with A-GPS, Glonass | Yes, with A-GPS |
| USB connectivity | Mass storage device, USB charging | |
| Wireless Charging | Yes | |
| Speed | | HSPA 21.1/7.2 Mbps |
| USB | | microUSB 2.0, USB Host |
| Camera | Samsung Galaxy S21 Plus | vivo Y11 |
| Image | 4000 x 3000 Pixels | |
| Main camera | | 5 MP, Single |
| Front camera resolution | 10 MP f/2.2, Wide Angle Primary Camera | |
| Specs | | 5 MP, AF |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Features | | LED flash |
| Flash | Yes, LED Flash | |
| Video | | 1080p@30fps |
| Autofocus | Yes, Phase Detection autofocus, Dual Pixel autofocus | |
| Selfie camera | | 2 MP, Single |
| Aperture | F2.2 | |
| Optical image stabilisation | Yes | |
| Video recording | 3840x2160 @ 30 fps | |
| Multimedia | Samsung Galaxy S21 Plus | vivo Y11 |
| 3.5 mm Jack | | Yes |
| Radio | | FM radio |
| Audio jack | USB Type-C | |
| Loudspeaker | Yes | |
| Design | Samsung Galaxy S21 Plus | vivo Y11 |
| Colors | | White, Black |
| Dimensions | | 123 x 62.5 x 8.8 mm |
| Height | 161.4 mm | |
| Weight | 202 grams | 124 g |
| Width | 75.6 mm | |
| Thickness | 7.8 mm | |
| Colours | Phantom Silver, Phantom Black, Phantom Violet | |
| Ruggedness | Dust Proof | |
| Waterproof | Yes, Water resistant (up to 30 minutes in a depth of 1.5 meter), IP68 | |
| Battery | Samsung Galaxy S21 Plus | 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 | 4800 mAh | |
| Type | Lithium-ion | |
| User replaceable | No | |
| Quick charging | Yes, Fast, 25W | |
| Other | Samsung Galaxy S21 Plus | vivo Y11 |
| Release date | | 2014, Q4 |
| Sensors | | Accelerometer, proximity , Infrared port |
| Fingerprint sensor | Yes | |
| Fingerprint sensor position | On-Screen | |
| Other sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | |
