Xiaomi Redmi Note 9 (4GB RAM + 128GB) vs Vivo Y21s
Quick Comparison
Both Xiaomi Redmi Note 9 (4GB RAM + 128GB) and Vivo Y21s comes with same RAM. In terms of display resolution, Xiaomi Redmi Note 9 (4GB RAM + 128GB) has better resolution of 2340 x 1080 than Vivo Y21s which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi Note 9 (4GB RAM + 128GB) | Vivo Y21s |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.53 in | 6.51 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5020 mAh | 5000 mAh |
| Camera | 48 MP Quad | 50 MP + 2 MP + 2 MP Triple |
| Price | Rs. 14499 | Rs. 14990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 20, 2020 . The cost of Xiaomi Redmi Note 9 (4GB RAM + 128GB) is Rs. 14499. The launch Date of the second phone is September 21, 2021 . The Expected cost of Vivo Y21s is Rs. 14990.
Display comparison
Vivo Y21s has screen size of 6.51 inches which falls short to Xiaomi Redmi Note 9 (4GB RAM + 128GB)'s 6.53 inch screen. Both the phones have IPS LCD Screen Type. Xiaomi's phone has display density of 403 PPI & Vivo's phone has only 270 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 83.5% than Vivo's phone ~ 81.8%. Xiaomi Redmi Note 9 (4GB RAM + 128GB) has 19.5:9 aspect ratio where as Vivo Y21s has 20:9 aspect ratio.
Memory comparison
Both mobiles come with 4 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Vivo Y21s's 50 MP + 2 MP + 2 MP Triple Rear Camera outclasses Xiaomi Redmi Note 9 (4GB RAM + 128GB)'s 48 MP Quad Rear Camera in terms of resolution. Xiaomi Redmi Note 9 (4GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 13 MP Front Camera in comparison to Vivo Y21s's 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 11 version.
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Full Comparison
| Name | Xiaomi Redmi Note 9 (4GB RAM + 128GB) | Vivo Y21s |
| General | ||
| Model | Redmi Note 9 | Y21s |
| 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 | July 20, 2020 | September 21, 2021 |
| Design | ||
| Dimensions | 77.2 x 162.3 x 8.9 mm | 76.08 x 164.2 x 8 mm |
| Weight | 199 g | 180 g |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.53 inches, 1080 x 2340 pixels | 6.51 inches, 720 x 1600 pixels |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 403 PPI | ~ 270 PPI |
| Screen to Body Ratio | ~ 83.5% | ~ 81.8% |
| Glass Type | Corning Gorilla Glass 5 | |
| Features | Reading Mode 2.0, Plastic Frame | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, upto 512 GB | 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, A2DP, LE |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | yes with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | Light sensor, Proximity , Accelerometer, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes | |
| Camera | ||
| Rear Camera | 48 MP f/1.79 (Main) 8 MP f/2.2 (Ultra Wide) 2 MP f/2.4 (Macro ) 2 MP f/2.4 (Depth Sensor) with autofocus | 50 MP f/1.8 (Main) 2 MP f/2.4 (Depth Sensor) 2 MP f/2.4 (Macro) with autofocus |
| Features | Night Mode, Document Mode, Cinematic portraits, HDR, Panorama, Pro mode, Portrait | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 120/30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 13 MP f/2.3 (Main) | 8 MP f/2 (Main) with Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10.0 | Android v11 |
| Chipset | MediaTek Helio G85 | Mediatek Helio G80 |
| CPU | 2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 |
| GPU | Mali-G52 MC2 | Arm Mali-G52 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | Yes |
| Video | MP4, M4V, MKV, XVID | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5020 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 22.5W Fast Charging | Yes, 18W Fast Charging |
| Reverse Charging | Yes, 9W Reverse Charging | Yes |
| Talk Time | 34 hours | |
| Music Playback Time | 171 hours | |