Vivo Y31 (6GB RAM + 128GB) has better RAM than Vivo Y21 2021 (4GB RAM + 128GB). In terms of display resolution, Vivo Y31 (6GB RAM + 128GB) has better resolution of 2408 x 1080 than Vivo Y21 2021 (4GB RAM + 128GB) which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Vivo Y31 (6GB RAM + 128GB) | Vivo Y21 2021 (4GB RAM + 128GB) |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.58 in | 6.51 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 5000 mAh |
| Camera | 48 MP + 2 MP + 2 MP Triple | 13 MP + 2 MP Dual |
| Price | Rs. 17990 | Rs. 10999 |
The launch Date of the first phone is January 20, 2021. The cost of Vivo Y31 (6GB RAM + 128GB) is Rs. 17990. The launch Date of the second phone is August 20, 2021 . The cost of Vivo Y21 2021 (4GB RAM + 128GB) is Rs. 10999.
Vivo Y31 (6GB RAM + 128GB) has larger screen size of 6.58 inches in comparison to Vivo Y21 2021 (4GB RAM + 128GB)'s 6.51 inch screen. There is IPS LCD Screen Type in both the phones. Vivo Y31 (6GB RAM + 128GB) has display density of 401 PPI & Vivo Y21 2021 (4GB RAM + 128GB) has only 262 PPI display density. In terms of screen to body ratio, Vivo Y21 2021 (4GB RAM + 128GB) has better screen to body ratio of ~ 89% than Vivo Y31 (6GB RAM + 128GB)'s ~ 84.5%. Both phones have same aspect ratio of 20:9.
Vivo Y31 (6GB RAM + 128GB)'s larger 6 GB RAM is better for playing games and all with respect to Vivo Y21 2021 (4GB RAM + 128GB)'s lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Vivo Y31 (6GB RAM + 128GB)'s 48 MP + 2 MP + 2 MP Triple Rear Camera outshines Vivo Y21 2021 (4GB RAM + 128GB)'s 13 MP + 2 MP Dual Rear Camera in terms of resolution. Vivo Y31 (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Vivo Y21 2021 (4GB RAM + 128GB)'s 8 MP Front Camera.
Both the phones run on Android Operating System Version 11.
| Name | Vivo Y31 (6GB RAM + 128GB) | Vivo Y21 2021 (4GB RAM + 128GB) |
| General | ||
| Model | Y31 2021 | Y21 2021 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 20, 2021 | August 20, 2021 |
| Design | ||
| Dimensions | 75 x 163 x 8.4 mm | 76 x 164 x 8 mm |
| Weight | 188 g | 182 g |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.58 inches, 1080 x 2408 pixels | 6.51 inches, 720 x 1600 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 401 PPI | ~ 262 PPI |
| Screen to Body Ratio | ~ 84.5% | ~ 89% |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Expandable RAM | Upto 1 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, upto 1 TB | Yes, upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | yes with A-GPS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope | Light sensor, Proximity sensor, Accelerometer |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Portrait, Photo, Video, Pano, Live Photo, Slo-Mo, Time-Lapse, Pro, DOC, Super Night Mode | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2 (Wide Angle) | 8 MP ƒ/2 (Main) Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v11 |
| Chipset | Qualcomm Snapdragon 662 | Mediatek Helio P35 |
| CPU | 2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 |
| GPU | Adreno 610 | PowerVR GE8320 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Fast Charging | Yes, 18W Fast Charging |