Xiaomi Redmi 9 vs Vivo Y21
Here you can compare Xiaomi Redmi 9 and Vivo Y21. Comparing Xiaomi Redmi 9 vs Vivo Y21 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi Redmi 9 stands against Vivo Y21 and which one should you buy The current lowest price found for Xiaomi Redmi 9 is ₹11,499 and for Vivo Y21 is ₹6,800. The details of both of these products were last updated on Jun 22, 2026.
| Specification | Xiaomi Redmi 9 | Vivo Y21 |
|---|---|---|
| Rear Camera | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 5 MP |
| CPU | 2.3 GHz, Octa Core Processor | 1.3 GHz, Quad Core Processor |
| OS | Android v10 | Android v5.1 (Lollipop) |
| Battery | 5000 mAh, Li-Po Battery | 1900 mAh, Li-ion Battery |
| RAM | 4 GB | 1 GB |
| Price | ₹11,499 | ₹6,800 |
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Overview
| Specs Score | 39 / 100 Better Specs | 23 / 100 |
| Display Size | 6.53 in Bigger Display | 4.5 in |
| Display Resolution | 720 x 1600 pixels Better Resolution | 480 x 854 pixels |
| Screen To Body Ratio | ~ 81% Less Bezels | |
| RAM | 4 GB More RAM | 1 GB |
| Storage | 64 GB More Storage | 16 GB |
| CPU Clock Speed | 2.3 GHz Faster Clock Speed | 1.3 GHz |
| CPU Cores | Octa Core More CPU Cores | Quad Core |
| Rear Camera | 13 MP + 2 MP Dual Better Camera Resolution | 5 MP |
| Front Camera | 5 MP Better Front Camera Resolution | 2 MP |
| Weight | 196 g | 157 g Lighter |
| Battery | 5000 mAh Bigger Battery | 1900 mAh |
| Unique Features | Fingerprint Sensor 4G FM Radio | No No No |
General
| Model | Redmi 9 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | |
| Device Type | Smartphone | Smartphone |
| Release Date | August 27, 2020 | July, 2016 |
Design
| Dimensions | 77.07 x 164.9 x 9 mm | 66.4 x 130.69 x 9.19 mm |
| Weight | 196 g | 157 g |
Display
| Type | Color LCD Screen (16M Colors) | Color IPS Screen |
| Touch | Yes | Yes |
| Size | 6.53 inches, 720 x 1600 pixels | 4.5 inches, 480 x 854 pixels |
| Aspect Ratio | 20:9 | 16:9 |
| PPI | ~ 269 PPI | ~ 218 PPI |
| Screen to Body Ratio | ~ 81% | |
| Notch | Yes, Water Drop Notch |
Memory
| RAM | 4 GB | 1 GB |
| Storage | 64 GB | 16 GB |
| Card Slot | Yes, upto 512 GB | Yes, upto 128 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v4.0 |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | |
| IR Blaster | No |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS Support |
| Fingerprint Sensor | Yes, Rear | |
| Face Unlock | Yes | |
| Sensors | Vibration Motor, Distance Sensor, Ambient Light Sensor, Aaccelerometer, Compass | Accelerometer |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes, Protected by P2i |
Camera
| Rear Camera | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 5 MP |
| Auto Focus | Yes | Yes |
| Features | HDR, AI Portrait Mode, Face Recognition, AI Beautify 5.0, AI Scene Detection | Face detection |
| Video Recording | 1080p @ 30 fps FHD | |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 | 2 MP |
| Front Video Recording | 1080p @ 30 fps FHD |
Technical
| OS | Android v10 | Android v5.1 (Lollipop) |
| Chipset | MediaTek Helio G35 | MediaTek Helio MT6580 |
| CPU | 2.3 GHz, Octa Core Processor | 1.3 GHz, Quad Core Processor |
| Core Details | Arm Cortex-A53 | |
| GPU | IMG PowerVR GE8320 | Mali-400 MP |
| Java | No | Yes, via 3rd party |
| Browser | Yes, supports HTML5 |
Multimedia
| Yes | ||
| Music | Yes | |
| Video | Yes | |
| FM Radio | Yes | No |
| Document Reader | Yes |
Battery
| Type | Non-Removable Battery | Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 1900 mAh, Li-ion Battery |
| Talk Time | 37 hours | |
| Music Playback Time | 164 hours |
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