Compare Xiaomi Redmi K30 Ultra vs Redmi 9A vs Redmi Note 8 2021
Connectivity
Ports
Micro USB, 3.5mm headphone
USB-C 2.0, 3.5mm headphone
Wireless Connectivity
WiFi 6, NFC, IR blaster
WiFi 4, Bluetooth 5.0
IR, WiFi 5, Bluetooth 5.2
Construction
Battery | Capacity
4500 mAh
5000 mAh
4000 mAh (typ)
Camera | Front
20MP pop-up front camera
5MP 1.12μm large pixels f/2.2 aperture
13 MP, f/2.0, 1/3.1", 1.12µm
Camera | Rear
64MP main + 13MP 119°ultra wide-angle + 5MP telemacro + 2MP depth
13MP
Camera | Rear | Depth
2 MP, f/2.4
Camera | Rear | Macro
2 MP, f/2.4
Camera | Rear | Ultra-Wide
8 MP, f/2.2, 120˚, 1/4.0", 1.12µm
Camera | Rear | Wide
48 MP, f/1.8, 26mm, 1/2.0", 0.8µm, PDAF
Colors
Moonlight White, Midnight Black, Mint Green
Carbon Grey, Sky Blue, Ocean Green
Neptune Blue, Moonlight White, Space Black
Material
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
9.0 mm
8.35 mm / 0.33"
Size | Height
163.3 mm
164.9 mm
158.3 mm / 6.23"
Size | Width
75.4 mm
77.07 mm
75.3 mm / 2.96"
Weight
213 g
194 g
190 g / 6.7oz
Display
Aspect Ratio
20:9
19.5:9
Brightness
800 nits (HBM) / 1200 nits (typ)
400 nit
500 nits
Contrast Ratio
5,000,000:1
1500:1
Display Diagonal
6.67"
6.53"
6.3 inch
Display Type
AMOLED ultimate Full Screen Display
Dot Drop display
IPS
Gamut
100% coverage DCI-P3
70.8% NTSC
Pixel Density
409 ppi
Refresh Rate
120 Hz
Resolution
2400×1080 FHD+ display
HD+ 720x1600
FHD+ 2340×1080
Function
Bluetooth Profiles
A2DP
Chipset
MediaTek Dimensity 1000+ 5G processor
MediaTek Helio G25
MediaTek Helio G85, 12nm manufacturing process
Fast Charging
18W fast charge
GPS
GPS, A-GPS, GLONASS, GALILEO, BDS
Graphics
PowerVR8320, up to 650MHz
Mali-G52 MP2 GPU
Operating System
MIUI 12
Android 11, MIUI 12.5
Processor
8x A53, Octa-core CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
SIM
Dual 4G
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
6 or 8GB
2 GB
4 GB
Memory | Type
LPDDR4X
LPDDR4X
Sample Rate
240 Hz
Storage
128, 256, or 512 GB
32 GB eMMC 5.1
64 or 128 GB eMMC 5.1 storage + microSD
Production
Debut
2020-08-11
2020-07-15
2021-05-25
Made In
China
China
China
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