Redmi Note 9 5G and Redmi Note 9 4G have been launched in China. At the same event, Xiaomi also announced the Redmi Note 9 Pro 5G as the first-ever smartphone with a 108-megapixel Samsung HM2 lens.
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The Redmi Note 9 5G sports a high refresh rate display and a budget-friendly 5G Dimensity chipset. It also features a 48-megapixel triple camera setup and a fast-charging enabled battery. The Redmi Note 9 4G, on the other hand, is a rebranded version of the POCO M3 that recently went official in global markets.
Redmi Note 9 5G and Note 9 4G specifications and features

The Redmi Note 9 5G is a budget-friendly 5G phone fueled by the Dimesnity 800U SoC
The Redmi Note 9 5G has a 6.53-inch IPS LCD screen with a punch-hole design. It offers a Full HD+ resolution of 2,400 x 1,080 pixels and a 20:9 aspect ratio. The handset comes with an IP52/IP53 rated splash-resistant chassis. The Dimensity 800U chipset along with a 5,000mAh battery powers the device. The Note 9 5G comes with support for 18W fast charging.
For capturing selfies, the Note 9 5G has a 13-megapixel front camera. The rear panel of the phone has a triple camera system placed inside a circular module. It has a 48-megapixel main camera, an 8-megapixel ultrawide snapper with 118-degree FOV, and a 2-megapixel depth sensor.
The Redmi Note 9 4G has a 6.53-inch IPS LCD display with a waterdrop notch. It supports a Full HD+ resolution of 1,080 x 2,340 pixels and a 19.5:9 aspect ratio. The Snapdragon 662 mobile platform is at the helm of the device. It is backed by a huge 6,000mAh battery that supports 18W rapid charging.

The Redmi Note 9 4G features a 6,000mAh battery with 18W fast charging support
Instead of the elongated black-colored camera module on its rear of the POCO M3, the Redmi Note 9 4G has a vertical unit with modified cameras. It has a 48-megapixel main camera, an 8-megapixel superwide lens with 118-degree FOV, and a 2-megapixel depth sensor. It has a front-facing camera of 8-megapixel.
The Redmi Note 9 5G and 4G are equipped with common features like LPDDR4x RAM, UFS 2.2 storage, dual SIM support, Wi-Fi 802.11ac, Bluetooth 5.0, GPS, USB-C, dual stereo speakers, a 3.5mm audio jack, and a side-facing fingerprint reader. Both smartphones are preloaded with MIUI 12 based Android 10 and they also support 22.5W fast charging via an optional fast charger.
Redmi Note 9 5G and Note 9 4G pricing and availability
The Redmi Note 9 5G has arrived in China in options like 6GB RAM + 128GB storage for RMB 1,299 (~Rs 14,600), 8GB RAM + 128GB storage for RMB 1,499 (~Rs 16,900), and 8GB RAM + 256GB storage for RMB 1,699 (~Rs 19,000). The Note 9 5G colorways include purple, green, and black.
On the other hand, the Redmi Note 9 4G comes in three variants such as 4GB RAM + 128GB storage, 6GB RAM + 128GB storage, and 8GB RAM + 128GB storage, and 8GB RAM + 256GB storage for RMB 999 (~Rs 11,200), RMB 1,099 (~Rs 12,300), RMB 1,299 (~Rs 14,600), and RMB 1,499 (~Rs 16,900). It comes in four colour options such as orange, green, blue, and black.