Compare Redmi Note 8 2021 vs Mi 10 Ultra vs Xiaomi Redmi K30 Ultra
Connectivity
Ports
USB-C 2.0, 3.5mm headphone
Wireless Connectivity
IR, WiFi 5, Bluetooth 5.2
WiFi 6, NFC, IR blaster
WiFi 6, NFC, IR blaster
Construction
Battery | Capacity
4000 mAh (typ)
4500 mAh
4500 mAh
Camera | Front
13 MP, f/2.0, 1/3.1", 1.12µm
20MP in-display
20MP pop-up front camera
Camera | Rear
Primary 48MP, 1/1.32", quad-pixel, OIS, f/1.85 + Portrait 12MP, 50mm equivalent, f/2.0, 2x optical zoom + Ultra-wide 20MP, 12mm equivalent, 128° viewing angle, f/2.2 + Telephoto 48MP, 120mm equivalent, 10x optical zoom, 120x digital zoom, OIS, f/4.1
64MP main + 13MP 119°ultra wide-angle + 5MP telemacro + 2MP depth
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
Neptune Blue, Moonlight White, Space Black
Obsidian Black, Mercury Silver, Transparent Edition
Moonlight White, Midnight Black, Mint Green
Material
Gorilla Glass 5 front and back, plastic frame
Speakers
Super linear speaker
Dual stereo speakers
Dimensions
Size | Depth
8.35 mm / 0.33"
9.45 mm
9.1 mm
Size | Height
158.3 mm / 6.23"
162.38 mm
163.3 mm
Size | Width
75.3 mm / 2.96"
75.04 mm
75.4 mm
Weight
190 g / 6.7oz
221.8 g
213 g
Display
Aspect Ratio
19.5:9
19.5:9
Brightness
500 nits
800 nits (HBM) / 1120 nits (typ)
800 nits (HBM) / 1200 nits (typ)
Contrast Ratio
5,000,000:1 (typ)
5,000,000:1
Display Diagonal
6.3 inch
6.67"
6.67"
Display Type
IPS
OLED TrueColor curved display
AMOLED ultimate Full Screen Display
Gamut
100% DCI-P3, Color accuracy: ∆E
100% coverage DCI-P3
Pixel Density
409 ppi
Refresh Rate
120 Hz
120 Hz
Resolution
FHD+ 2340×1080
2340 x 1080
2400×1080 FHD+ display
Function
Bluetooth Profiles
A2DP
Chipset
MediaTek Helio G85, 12nm manufacturing process
Qualcomm Snapdragon 865
MediaTek Dimensity 1000+ 5G processor
Fast Charging
18W fast charge
GPS
GPS, A-GPS, GLONASS, GALILEO, BDS
Graphics
Mali-G52 MP2 GPU
AdrenoTM 650 GPU
Operating System
Android 11, MIUI 12.5
MIUI 12
Processor
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
KyroTM 585 CPU, Octa-core CPU, up to 2.84 GHz
SIM
2x Nano 4G LTE
5G + 4G
Sensor
Fingerprint, accelerometer, gyro, proximity, compass
Tuner
FM radio
Video Recording
FHD @ 30fps
8K 24p, 960 fps macro slow-motion
Video Recording | Front
720p 120p slow-mo
Performance
Memory | Capacity
4 GB
8, 12, or 16 GB
6 or 8GB
Memory | Type
LPDDR4X
LPDDR5
Sample Rate
240 Hz
240 Hz
Storage
64 or 128 GB eMMC 5.1 storage + microSD
128, 256, or 512 GB UFS 3.1
128, 256, or 512 GB
Production
Debut
2021-05-25
2020-08-11
2020-08-11
Made In
China
China
China
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