Compare Xiaomi MIX 4 vs Redmi K40 Pro
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
WiFi 6E, Bluetooth 5.2, UWB point-to-connect, Multifunctional NFC, IR Blaster
WiFi 6E, Bluetooth 5.2, NFC, IR blaster
Construction
Battery | Capacity
4500 mAh
4520 mAh
Camera | Front
20MP CUP camera, 1.6μm 4-in-1 Super Pixel
20MP
Camera | Rear | Telephoto
8MP, 5X optical zoom, 50x digital zoom, OIS
5MP
Camera | Rear | Ultra-Wide
13MP, free-form lens, FOV 120°, 6P lens
8MP, f/2.2
Camera | Rear | Wide
108MP, 1/1.33″ HMX sensor, 1.6μm 4-in-1 Super Pixel, OIS, 7P lens
64MP, Sony IMX686, f/1.89
Colors
Ceramic Gray, Ceramic White, Ceramic Black
Glossy Black, Icy White, and Dreamland
Material
Corning Gorilla Glass Victus front
Corning Gorrila Glass 5
Speakers
Dual speakers, SOUND BY Harman Kardon, Hi-Res Audio certification
Dual speakers
Dimensions
Size | Depth
8 mm / 0.31"
7.8 mm
Size | Height
162.6 mm / 6.40"
163.7 mm
Size | Width
75.4 mm / 2.97"
76.4 mm
Weight
225 g / 7.94 oz
196 g
Display
Aspect Ratio
20:9
20:9
Brightness
800 nits
900 nits (typ) / 1300 nits (max)
Contrast Ratio
5,000,000:1 (typical)
5,000,000:1 (typical)
Display Color Depth
10-bit (1.07B colors)
10-bit
Display Diagonal
6.67 inch
6.67 inch
Display Type
3D curved AMOLED (OLED)
Samsung E4 AMOLED (OLED)
Gamut
100% DCI-P3
100% DCI-P3
Refresh Rate
120 Hz
120 Hz
Resolution
1080 x 2400
FHD+ 2400x1080
Function
Audio
Hi-Res Audio certification
Dolby Atmos
Bluetooth Codecs
AAC/LDAC/LHDC
AAC / LDAC / LHDC
Chipset
Qualcomm Snapdragon 888+
Qualcomm Snapdragon 888
Fast Charging
120W wired charging: 21mins to 100% in default mode, 15mins to 100% in Boost Mode
55W wired turbo charging
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
Graphics
Adreno 660
Qualcomm Adreno 660 GPU
HDR
HDR10+, Dolby Vision
HDR10+
Operating System
MIUI 12, Android 11
MIUI 12, Android 11
Processor
Octa-core (1x2.99 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
Qualcomm Kryo 680, 8-core
SIM
Dual Nano SIM, 5G
Dual nano 5G
Security
Side-mounted fingerprint sensor
Sensor
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum
Touch Screen
480Hz touch sampling rate
360Hz touch sampling rate
Video Recording
8K 30fps / 4K 60fps / FHD 960fps
Weather Resistance
IP53
Wireless Charging
50W wireless charging: 45min to 100% in default mode, 28min to 100% in Boost Mode
Performance
Charging Time
52min to 100%
Memory | Capacity
8 or 12 GB
6 or 8 GB
Memory | Type
LPDDR5 6400Mbps
LPDDR5 6400Mbps
Power Supply
33 W
Storage
128, 256, or 512 GB UFS 3.1
128 or 256 GB UFS 3.1
Production
Debut
2021-08-10
2021-02-25
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