Compare Redmi 9 vs Xiaomi Redmi Note 9 vs Redmi Note 8 2021
Connectivity
Ports
USB-C, 3.5mm headphone
USB-C, 3.5mm headphone
USB-C 2.0, 3.5mm headphone
Wireless Connectivity
Bluetooth 5.0 + NFC + IR blaster
NFC, IR, WiFi 5, Bluetooth 5.0
IR, WiFi 5, Bluetooth 5.2
Construction
Battery | Capacity
5020 mAh
5020 mAh (typ)
4000 mAh (typ)
Camera | Front
8MP f/2.0, FOV 77.8°, FF
13MP, 1.12μm pixel size, 1/3.06" sensor size, f/2.25, 5P lens, 74°FOV
13 MP, f/2.0, 1/3.1", 1.12µm
Camera | Rear | Depth
F/2.4, FF
2MP, 1/5" sensor size, 1.7μm pixel size, 3P lens, f/2.4 FF
2 MP, f/2.4
Camera | Rear | Macro
5MP f/2.4, FF (4cm)
2MP, AF (2cm-10cm), 1.75μm pixel size, f/2.4 aperture
2 MP, f/2.4
Camera | Rear | Ultra-Wide
8MP FOV 118°, f/2.2, FF
8MP, FOV 118°, f/2.2, 1/4" sensor size, 1.2μm pixel size, 5P lens
8 MP, f/2.2, 120˚, 1/4.0", 1.12µm
Camera | Rear | Wide
13MP f/2.2, FOV 75.2°, AF
48MP, 1/2" sensor size, 1.6μm 4-in-1 Super Pixel, 0.8μm pixel size, f/1.79, AF, 6P lens, FOV 79.4°
48 MP, f/1.8, 26mm, 1/2.0", 0.8µm, PDAF
Colors
Carbon Grey, Sunset Purple, Ocean Green
Polar White, Midnight Grey, Forest Green, Onyx Black
Neptune Blue, Moonlight White, Space Black
Material
Corning Gorilla Glass 3
Corning Gorilla Glass 5
Gorilla Glass 5 front and back, plastic frame
Speakers
1216 size Xmax 0.5mm Ultra Linear Amplitude Speaker + 3.5mm headphone jack
Super linear speaker
Dimensions
Size | Depth
9.1 mm
8.9 mm
8.35 mm / 0.33"
Size | Height
163.32 mm
162.3 mm
158.3 mm / 6.23"
Size | Width
77.01 mm
77.2 mm
75.3 mm / 2.96"
Weight
198 g
199 g
190 g / 6.7oz
Display
Aspect Ratio
19.5:9
19.5:9
19.5:9
Brightness
400 nit
450 nits
500 nits
Contrast Ratio
1500:1
1500:1
Display Diagonal
6.53 inch
6.53 inch
6.3 inch
Display Type
IPS
Gamut
70% NTSC
84% NTSC
Pixel Density
394 ppi
409 ppi
Resolution
2340x1080 FHD+
FHD+ 2340×1080
FHD+ 2340×1080
Function
Bluetooth Profiles
A2DP
Chipset
MediaTek Helio G80 SoC
MediaTek Helio G85
MediaTek Helio G85, 12nm manufacturing process
Fast Charging
18W Fast Charge
18W fast charge
18W fast charge
GPS
GPS/ A-GPS / Galileo/ GLONASS / Beidou
GPS, A-GPS, GLONASS, GALILEO, BDS
Graphics
Mali-G52 MC2, 950 MHz
ARM G52 MC2
Mali-G52 MP2 GPU
Operating System
MIUI 11
MIUI 11
Android 11, MIUI 12.5
Processor
2 ARM Cortex A75 + 6 ARM Cortex A55, Octa-core CPU
2x A75 2.0GHz, 6x A55 1.8GHz, Octa-core CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
SIM
Dual Nano 4G
2x Nano 4G LTE
2x Nano 4G LTE
Security
AI Face Unlock + Rear fingerprint sensor (Redmi 9 only)
Sensor
Fingerprint, accelerometer, gyro, proximity, compass
Tuner
FM radio
Video Recording
FHD @ 30fps
Performance
Memory | Capacity
3 or 4 GB
3 - 4 GB
4 GB
Memory | Type
LPDDR4X
LPDDR4X
Storage
32 or 64 GB eMMC 5.1
64 - 128 GB
64 or 128 GB eMMC 5.1 storage + microSD
Production
Debut
2020-07-15
2020-03-12
2021-05-25
Made In
China
China
China
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