Xiaomi Redmi Note 9 4G The Xiaomi Redmi Note 9 4G is a balanced everyday device, powered by the Qualcomm SM6115 Snapdragon 662 (11 nm), suited to light-to-moderate use, backed by a large 6,000 mAh battery for multi-day use (2020).
2020 · Mid-range · Android 10 ⓘ Grades compare this device against others in its own market segment (Mid-range), not against every device on the site.
⚡ Quick Specs
Size 6.53" · 162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in)
Chipset Qualcomm SM6115 Snapdragon 662 (11 nm)
RAM 4GB | 6GB | 8GB
Storage 128GB | 256GB
Main Camera 48 MP · LED flash
⚖️ Compare With
Xiaomi Redmi Note 9 4G vs Xiaomi Black Shark 4 Xiaomi Redmi Note 9 4G vs Xiaomi Black Shark 4S Xiaomi Redmi Note 9 4G vs Xiaomi Mi 9T Xiaomi Redmi Note 9 4G vs Xiaomi Poco F3 Xiaomi Redmi Note 9 4G vs Xiaomi Poco X3 Pro Xiaomi Redmi Note 9 4G vs Xiaomi Redmi K20
✓︎ Pros
✓ Exceptional 6,000 mAh battery — lasts 2+ days with typical use
✓ 6.53" IPS LCD display with accurate colours and wide viewing angles
✓ 3.5mm headphone jack for wired audio without adapters
⊗ Cons
✗ Entry-level Qualcomm SM6115 Snapdragon 662 (11 nm) — struggles with demanding apps
⚠️ Not ideal for
Mobile gaming Heavy multitasking
⚙️ Performance
Chipset
Qualcomm SM6115 Snapdragon 662 (11 nm)
Mid-range — handles daily tasks well
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
OS
Android 10, upgradable to Android 12, MIUI 14
RAM
4GB | 6GB | 8GB
Fine for everyday apps
💻 Display
Sharpness
395 ppi
Sharp and comfortable to read
Panel
IPS LCD, 400 nits (typ)
IPS: accurate colours, good brightness
📷 Camera
Main Camera
48 MP
Good detail in daylight conditions
Multi-Camera Setup
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm Auxiliary lens
🔋 Battery
Capacity
6,000 mAh
Excellent endurance — easily lasts a full day
Charging
18W wired 2.5W reverse wired
📱 Design & Build
Weight
198g
Balanced size and weight
Dimensions
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in)
Build
Glass front (Gorilla Glass 3), plastic frame, plastic back
Colors
Gray, Green, Blue, Orange
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
📶 Network
2G Bands
GSM 850 / 900 / 1800 / 1900
📡 Connectivity
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
GPS
GPS, GLONASS, GALILEO, BDS
🔊 Sound
Loudspeaker
Yes, with stereo speakers
❓ Frequently Asked Questions
Does the Xiaomi Redmi Note 9 4G support 5G?› No, the Xiaomi Redmi Note 9 4G does not support 5G — it supports GSM / CDMA / HSPA / LTE.
Does the Xiaomi Redmi Note 9 4G have NFC?› No, the Xiaomi Redmi Note 9 4G does not have NFC.
Does the Xiaomi Redmi Note 9 4G support wireless charging?› No, the Xiaomi Redmi Note 9 4G charges via cable only — no wireless charging.
Does the Xiaomi Redmi Note 9 4G support fast charging?› Yes, up to 18W (18W wired 2.5W reverse wired).
Does the Xiaomi Redmi Note 9 4G have expandable storage?› Yes, the Xiaomi Redmi Note 9 4G supports microSDXC expandable storage.
Does the Xiaomi Redmi Note 9 4G support dual SIM?› The Xiaomi Redmi Note 9 4G SIM configuration: Nano-SIM + Nano-SIM.
Does the Xiaomi Redmi Note 9 4G have a headphone jack?› Yes, the Xiaomi Redmi Note 9 4G has a 3.5mm headphone jack.
Does the Xiaomi Redmi Note 9 4G have stereo speakers?› Yes, the Xiaomi Redmi Note 9 4G has stereo speakers.
What Android version does the Xiaomi Redmi Note 9 4G ship with?› The Xiaomi Redmi Note 9 4G ships with Android 10, upgradable to Android 12, MIUI 14.
What type of USB port does the Xiaomi Redmi Note 9 4G use?› The Xiaomi Redmi Note 9 4G uses USB Type-C 2.0, OTG.
Does the Xiaomi Redmi Note 9 4G support Wi-Fi 7?› The Xiaomi Redmi Note 9 4G supports Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct.
Does the Xiaomi Redmi Note 9 4G support Bluetooth LE Audio?› The Xiaomi Redmi Note 9 4G has 4.2, A2DP.
