Xiaomi Redmi 9T vs vivo Y21d: Side by Side Specs Comparison

This is a side-by-side smartphone specs comparison of the Xiaomi Redmi 9T and vivo Y21d.

The Xiaomi Redmi 9T has a 6.53-inch display, Qualcomm Snapdragon 662 processor, quad cameras, 4G LTE connectivity, and 6000mAh 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 9T vivo Y21d
Picture Xiaomi Redmi 9T
3.8/5 stars (660 ratings)
× vivo Y21d
3.7/5 stars (19 ratings)
Screen 6.53-inch FHD+ IPS LCD Display (1080 x 2340 Pixels, 395 ppi) with Corning Gorilla Glass 3, 19.5:9 Aspect Ratio and Notch 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 12 Android 15 with Funtouch OS 15
Chipset Qualcomm Snapdragon 662 UNISOC T7225 (12 nm)
CPU Octa Core CPU
4x Kryo 260 Gold @ 2.0GHz & 4x Kryo 260 Silver @ 1.8GHz
Octa Core CPU
2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.8GHz
GPU Adreno 610 Mali-G52 MP1
RAM 4GB or 6GB of RAM 4GB or 6GB of RAM
Rear Camera Quad Cameras:
48MP Main Camera (f/1.79 Aperture, PD Autofocus)
8MP Ultra-wide (f/2.2 Aperture, 120° 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 8 Megapixels (f/2.05 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 No No
Bluetooth Bluetooth 5.0 Bluetooth 5.2
Infrared Yes No
Position A-GPS, GLONASS, Galileo & 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 Hi-Res Audio Dual Speakers, Up to 400% volume
FM Radio Yes Yes
Sensors Face Recognition & Fingerprint Sensor
Proximity Sensor & Ambient Light Sensor
Compass & Accelerometer
Face Recognition & Fingerprint Sensor
Proximity Sensor & Ambient Light Sensor
Compass & Accelerometer
Ring notification LED (Dynamic Light)
Battery 6000 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 77.3 x 9.6 mm 166.14 x 77.01 x 8.39 mm
Weight 198 g 209 g
Colors Carbon Gray, Sunset Orange, Twilight Blue and Ocean Green Glowing Black, Lavender Purple
Release Date January 27, 2021 September 28, 2025
Price 6,990.00 - Official price of 4GB RAM + 64GB ROM version in the Philippines
7,990.00 - Official price of 6GB RAM + 128GB ROM 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 9T on Lazada
Xiaomi Redmi 9T on Shopee
vivo Y21d on Lazada
vivo Y21d on Shopee


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