Xiaomi Redmi Note 5 has better RAM than Vivo Y21. In terms of display resolution, Xiaomi Redmi Note 5 has better resolution of 2160 x 1080 than Vivo Y21 which has resolution of 854 x 480. Xiaomi Redmi Note 5 has more internal memory than Vivo Y21
| Name | Vivo Y21 | Xiaomi Redmi Note 5 |
| RAM | 1 GB | 4 GB |
|---|---|---|
| Display | 4.5 in | 5.99 in |
| Internal Memory | 16 GB | 64 GB |
| Battery | 1900 mAh | 4000 mAh |
| Camera | 5 MP | 12 MP |
| Price | Rs. 6800 | Rs. 8499 |
The launch Date of the first phone is July, 2016. The cost of Vivo Y21 is Rs. 6800. The cost of Xiaomi Redmi Note 5 is Rs. 8499.
Xiaomi Redmi Note 5 has larger screen size of 5.99 inches in comparison to Vivo Y21's 4.5 inch screen. There is IPS Screen Type in both the phones. Xiaomi's phone has display density of 403 PPI & Vivo's phone has only 218 PPI display density. Vivo Y21 has 16:9 aspect ratio where as Xiaomi Redmi Note 5 has 18:9 aspect ratio.
Xiaomi Redmi Note 5's larger 4 GB RAM is better for playing games and all with respect to Vivo Y21's lower 1 GB RAM. Xiaomi Redmi Note 5 has more Internal Memory (64 GB) than Vivo Y21 (16 GB).
Xiaomi Redmi Note 5's 12 MP Rear Camera outshines Vivo Y21's 5 MP Rear Camera in terms of resolution. Xiaomi Redmi Note 5 will be better choice if you're looking to click lot of selfies as it has better 5 MP Front Camera in comparison to Vivo Y21's 2 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 5.1 and the second one on 7.1 version.
| Name | Vivo Y21 | Xiaomi Redmi Note 5 |
| General | ||
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | |
| Device Type | Smartphone | Smartphone |
| Release Date | July, 2016 | |
| Design | ||
| Dimensions | 66.4 x 130.69 x 9.19 mm | 75.5 x 158.5 x 8.1 mm |
| Weight | 157 g | 180 g |
| Display | ||
| Type | Color IPS Screen | Color IPS Screen (16M colors Colors) |
| Touch | Yes | Yes |
| Size | 4.5 inches, 480 x 854 pixels | 5.99 inches, 1080 x 2160 pixels |
| Aspect Ratio | 16:9 | 18:9 |
| PPI | ~ 218 PPI | ~ 403 PPI |
| Memory | ||
| RAM | 1 GB | 4 GB |
| Storage | 16 GB | 64 GB |
| Card Slot | Yes, upto 128 GB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.0 | Yes |
| USB | Yes, microUSB v2.0 | Yes, microUSB |
| USB Features | USB on-the-go | |
| Extra | ||
| GPS | Yes, with A-GPS Support | Yes, with A-GPS Support |
| Fingerprint Sensor | Yes | |
| Face Unlock | Yes | |
| Sensors | Accelerometer | Accelerometer, Gyroscope, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 5 MP | 12 MP |
| Auto Focus | Yes | Yes |
| Features | Face detection | Face detection, Geo tagging, Panorama, Touch to focus |
| Video Recording | 4K @ 30 fps UHD | |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 2 MP | 5 MP Flash |
| Technical | ||
| OS | Android v5.1 (Lollipop) | Android v7.1 (Nougat) |
| Chipset | MediaTek Helio MT6580 | Qualcomm Snapdragon 625 |
| CPU | 1.3 GHz, Quad Core Processor | 2 GHz, Octa Core Processor |
| GPU | Mali-400 MP | |
| Java | Yes, via 3rd party | No |
| Browser | Yes, supports HTML | |
| Multimedia | ||
| Supports | MMS, Instant Messaging | |
| Yes, with Push Email | ||
| Music | MP3, WAV, eAAC+ | |
| Video | XviD, MP4 | |
| FM Radio | No | Yes |
| Document Reader | Yes | |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 1900 mAh, Li-ion Battery | 4000 mAh, Li-Po Battery |