Xiaomi Redmi Note 9 (4/128 GB )

Network Technology GSM / HSPA / LTE

Body Dimensions 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in)

Weight 199 g (7.02 oz)

Build Glass front (Gorilla Glass 5), plastic frame

SIM Dual SIM (Nano-SIM, dual stand-by)  Splash-proof coating

Display Type IPS LCD capacitive touchscreen, 16M colors

Size 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio)

Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)

Protection Corning Gorilla Glass 5  450 nits typ. brightness (advertised) Platform

OS Android 10, MIUI 11

Chipset MediaTek Helio G85 (12nm)

CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

GPU Mali-G52 MC2

Memory Card slot microSDXC (dedicated slot)

Internal 128GB

4GB RAM

Main Camera Quad

48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF

8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm

2 MP, f/2.4, (macro), AF

2 MP, f/2.4, (depth) Features LED flash, HDR, panorama Video 1080p@30fps

Selfie camera Single 13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm Features HDR, panorama Video 1080p@30fps

Sound Loudspeaker Yes 3.5mm jack Yes

Comms WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Bluetooth 5.0, A2DP, LE

GPS Yes, with A-GPS, GLONASS, GALILEO, BDS NFC Yes (market/region dependent)M2003J15SG (Yes); M2003J15SS (No) Infrared port Yes

Radio Unspecified

USB 2.0, Type-C 1.0 reversible connector Features

Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery   Non-removable Li-Po 5020 mAh battery Charging

Fast charging 18W Reverse charging 9W