Compare Redmi Note 8 2021 vs Redmi Note 9 Pro vs Xiaomi Redmi K30 Ultra
Connectivity
Ports
USB-C 2.0, 3.5mm headphone
USB-C, 3.5mm headphone
Wireless Connectivity
IR, WiFi 5, Bluetooth 5.2
NFC, IR, WiFi 5, Bluetooth 5.0
WiFi 6, NFC, IR blaster
Construction
Battery | Capacity
4000 mAh (typ)
5020 mAh (typ)
4500 mAh
Camera | Front
13 MP, f/2.0, 1/3.1", 1.12µm
16MP, 1.0μm, f/2.48 aperture
20MP pop-up front camera
Camera | Rear
64MP main + 13MP 119°ultra wide-angle + 5MP telemacro + 2MP depth
Camera | Rear | Depth
2 MP, f/2.4
2MP, 1/5" sensor size, 1.7μm pixel size, 3P lens, f/2.4 FF
Camera | Rear | Macro
2 MP, f/2.4
2MP, AF (2cm-10cm), 1.75μm pixel size, f/2.4 aperture
Camera | Rear | Ultra-Wide
8 MP, f/2.2, 120˚, 1/4.0", 1.12µm
8MP, FOV 119°, f/2.2, 1/4” sensor size, 1.12μm pixel size, 5P lens
Camera | Rear | Wide
48 MP, f/1.8, 26mm, 1/2.0", 0.8µm, PDAF
64MP, 1/1.72” sensor size, 1.6μm 4-in-1 Super Pixel, 0.8μm, pixel size f/1.89, AF, 6P lens, FOV 79.8°
Colors
Neptune Blue, Moonlight White, Space Black
Glacier White, Interstellar Grey, Tropical Green
Moonlight White, Midnight Black, Mint Green
Material
Gorilla Glass 5 front and back, plastic frame
Corning Gorilla Glass 5
Speakers
Super linear speaker
Dimensions
Size | Depth
8.35 mm / 0.33"
8.8 mm
9.1 mm
Size | Height
158.3 mm / 6.23"
165.75 mm
163.3 mm
Size | Width
75.3 mm / 2.96"
76.68 mm
75.4 mm
Weight
190 g / 6.7oz
209 g
213 g
Display
Aspect Ratio
19.5:9
20:9
Brightness
500 nits
450 nits
800 nits (HBM) / 1200 nits (typ)
Contrast Ratio
1500:1
5,000,000:1
Display Diagonal
6.3 inch
6.67 inch
6.67"
Display Type
IPS
AMOLED ultimate Full Screen Display
Gamut
84% NTSC
100% coverage DCI-P3
Pixel Density
409 ppi
Refresh Rate
120 Hz
Resolution
FHD+ 2340×1080
FHD+ 2400 x 1080
2400×1080 FHD+ display
Function
Bluetooth Profiles
A2DP
Chipset
MediaTek Helio G85, 12nm manufacturing process
Qualcomm Snapdragon 720G
MediaTek Dimensity 1000+ 5G processor
Fast Charging
18W fast charge
30W fast charge
GPS
GPS, A-GPS, GLONASS, GALILEO, BDS
GPS/ A-GPS / Galileo/ GLONASS / Beidou
Graphics
Mali-G52 MP2 GPU
AdrenoTM 618
Operating System
Android 11, MIUI 12.5
MIUI 11
Processor
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Octa-core processor, up to 2.3GHz
SIM
2x Nano 4G LTE
2x Nano 4G LTE
Sensor
Fingerprint, accelerometer, gyro, proximity, compass
Tuner
FM radio
Video Recording
FHD @ 30fps
Performance
Memory | Capacity
4 GB
6 GB
6 or 8GB
Memory | Type
LPDDR4X
Sample Rate
240 Hz
Storage
64 or 128 GB eMMC 5.1 storage + microSD
64 - 128 GB
128, 256, or 512 GB
Production
Debut
2021-05-25
2020-03-12
2020-08-11
Made In
China
China
China
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