This is a side-by-side smartphone specs comparison of the Xiaomi Redmi Note 9 and vivo Y21d.
The Xiaomi Redmi Note 9 has a 6.53-inch display, MediaTek Helio G85 processor, quad cameras, 4G LTE connectivity, and 5020mAh battery.
Meanwhile, the vivo Y21d has a 6.68-inch display, UNISOC T7225 (12 nm) processor, dual cameras, 4G LTE connectivity, and 6500mAh battery.
| Specs | Xiaomi Redmi Note 9 | vivo Y21d |
|---|---|---|
| Picture |
★★★★★ 3.5/5 stars (445 ratings)
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★★★★★ 3.7/5 stars (20 ratings)
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| Screen | 6.53-inch FHD+ IPS LCD Display (1080 x 2340 Pixels, 395 ppi) with Corning Gorilla Glass 5, 19.5:9 Aspect Ratio & Punch-hole | 6.68-inch HD+ IPS LCD Display (720 x 1608 Pixels, 264 ppi) with Guardian Glass, 90Hz Refresh Rate, 1000nits HBM, and punch-hole |
| OS | Android 10 with MIUI 11 | Android 15 with Funtouch OS 15 |
| Chipset | MediaTek Helio G85 | UNISOC T7225 (12 nm) |
| CPU | Octa Core CPU 2x Cortex-A75 @ 2.0GHz & 6x Cortex-A55 @ 1.8GHz |
Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.8GHz |
| GPU | Mali-G52 MC2 | Mali-G52 MP1 |
| RAM | 3GB or 4GB of RAM | 4GB or 6GB of RAM |
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| Rear Camera | Quad Cameras: 48MP Main Camera (f/1.79 Aperture, Autofocus) 8MP Ultra-wide (f/2.2 Aperture, 118° FOV) 2MP Macro (f/2.4 Aperture) 2MP Depth Sensor -LED Flash -1080p Video Recording |
Dual Cameras: 50MP Main Camera (f/1.8 aperture, Autofocus) VGA auxiliary camera -Dual LED Flash -Up to 1080p@30fps video recording |
| Front Camera |
13 Megapixels (f/2.25 Aperture) |
5 Megapixels (f/2.2 aperture) - Up to 1080p@30fps video recording |
| Storage | 64GB or 128GB | 128GB or 256GB (eMMC 5.1) |
| Expansion | 512GB via microSD | 2TB via microSD |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac (Dual Band) | Wi-Fi 802.11 b/g/n/ac (dual band) |
| NFC | Yes | No |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 |
| Infrared | Yes | No |
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| Position | A-GPS, GLONASS & BeiDou | GPS, GLONASS, GALILEO, BeiDou, QZSS |
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | Yes | No |
| Audio Enhancement | Smart PA | Dual Speakers, Up to 400% volume |
| FM Radio | Yes | Yes |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer Ring notification LED (Dynamic Light) |
| Battery | 5020 mAh Li-Po Battery (Non-removable) 18W Fast Charging |
6500 mAh (Non-removable) 44W Fast Charging (50% in 38 minutes) |
| Material | Plastic | Glass front, Plastic composite back (IP68/IP69 dust & water resistance, SGS 5-star Drop Resistance, MIL-STD-810H Shock Resistance) |
| Size | 162.3 x 77.2 x 8.9 mm | 166.14 x 77.01 x 8.39 mm |
| Weight | 199 g | 209 g |
| Colors | Midnight Grey, Forest Green and Polar White | Glowing Black, Lavender Purple |
| Release Date | April 30, 2020 | September 28, 2025 |
| Price | ₱7,990.00 - Official price of 3GB RAM + 64GB storage version in the Philippines ₱9,990.00 - Official price of 4GB RAM + 128GB storage version in the Philippines |
₱6,999.00 - Official price of 4GB+128GB version in the Philippines ₱8,999.00 - Official price of 6GB+256GB version in the Philippines |
| Buy Online |
Xiaomi Redmi Note 9 on Lazada Xiaomi Redmi Note 9 on Shopee |
vivo Y21d on Lazada vivo Y21d on Shopee |