Compare Redmi K40 Pro vs Xiaomi Redmi Note 9
Connectivity
Ports
USB-C
USB-C, 3.5mm headphone
Wireless Connectivity
WiFi 6E, Bluetooth 5.2, NFC, IR blaster
NFC, IR, WiFi 5, Bluetooth 5.0
Construction
Battery | Capacity
4520 mAh
5020 mAh (typ)
Camera | Front
20MP
13MP, 1.12μm pixel size, 1/3.06" sensor size, f/2.25, 5P lens, 74°FOV
Camera | Rear | Depth
2MP, 1/5" sensor size, 1.7μm pixel size, 3P lens, f/2.4 FF
Camera | Rear | Macro
2MP, AF (2cm-10cm), 1.75μm pixel size, f/2.4 aperture
Camera | Rear | Telephoto
5MP
Camera | Rear | Ultra-Wide
8MP, f/2.2
8MP, FOV 118°, f/2.2, 1/4" sensor size, 1.2μm pixel size, 5P lens
Camera | Rear | Wide
64MP, Sony IMX686, f/1.89
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°
Colors
Glossy Black, Icy White, and Dreamland
Polar White, Midnight Grey, Forest Green, Onyx Black
Material
Corning Gorrila Glass 5
Corning Gorilla Glass 5
Speakers
Dual speakers
Dimensions
Size | Depth
7.8 mm
8.9 mm
Size | Height
163.7 mm
162.3 mm
Size | Width
76.4 mm
77.2 mm
Weight
196 g
199 g
Display
Aspect Ratio
20:9
19.5:9
Brightness
900 nits (typ) / 1300 nits (max)
450 nits
Contrast Ratio
5,000,000:1 (typical)
1500:1
Display Color Depth
10-bit
Display Diagonal
6.67 inch
6.53 inch
Display Type
Samsung E4 AMOLED (OLED)
Gamut
100% DCI-P3
84% NTSC
Refresh Rate
120 Hz
Resolution
FHD+ 2400x1080
FHD+ 2340×1080
Function
Audio
Dolby Atmos
Bluetooth Codecs
AAC / LDAC / LHDC
Chipset
Qualcomm Snapdragon 888
MediaTek Helio G85
Fast Charging
55W wired turbo charging
18W fast charge
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
GPS/ A-GPS / Galileo/ GLONASS / Beidou
Graphics
Qualcomm Adreno 660 GPU
ARM G52 MC2
HDR
HDR10+
Operating System
MIUI 12, Android 11
MIUI 11
Processor
Qualcomm Kryo 680, 8-core
2x A75 2.0GHz, 6x A55 1.8GHz, Octa-core CPU
SIM
Dual nano 5G
2x Nano 4G LTE
Security
Side-mounted fingerprint sensor
Touch Screen
360Hz touch sampling rate
Video Recording
8K 30fps / 4K 60fps / FHD 960fps
Performance
Charging Time
52min to 100%
Memory | Capacity
6 or 8 GB
3 - 4 GB
Memory | Type
LPDDR5 6400Mbps
Power Supply
33 W
Storage
128 or 256 GB UFS 3.1
64 - 128 GB
Production
Debut
2021-02-25
2020-03-12
Made In
China
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