Compare Redmi 9 vs Redmi K40 Gaming Edition vs Lenovo Legion Phone Duel
Connectivity
Ports
USB-C, 3.5mm headphone
USB-C
Wireless Connectivity
Bluetooth 5.0 + NFC + IR blaster
WiFi 6, Bluetooth 5.2
WiFi 6 / Bluetooth 5.0 / NFC / Location (GPS / GLONASS / BeiDou / Galileo / QZSS)
Construction
Battery | Capacity
5020 mAh
5065 mAh
5000mAh (typical) (2500mAh *2) w/ AI charging for battery protection
Camera | Front
8MP f/2.0, FOV 77.8°, FF
16MP
20MP f/2.2 (25mm full-frame equivalent)
Camera | Rear
64MP quad-pixel 1/1.72" f/1.89 (25mm full-frame equivalent) + 16MP ultrawide f/2.2 (16mm equivalent)
Camera | Rear | Depth
F/2.4, FF
Camera | Rear | Macro
5MP f/2.4, FF (4cm)
2MP, f/2.4
Camera | Rear | Ultra-Wide
8MP FOV 118°, f/2.2, FF
8MP, f/2.2
Camera | Rear | Wide
13MP f/2.2, FOV 75.2°, AF
64MP, f/1.65
Colors
Carbon Grey, Sunset Purple, Ocean Green
Black, Sliver, White
Vengeance Red / Blazing Blue
Material
Corning Gorilla Glass 3
Corning Gorrila Glass 5
Microphone
Quad-microphone system with Qualcomm Noise Reduction Technology
Speakers
1216 size Xmax 0.5mm Ultra Linear Amplitude Speaker + 3.5mm headphone jack
Dual speakers
Dual front-facing stereo speakers
Dimensions
Size | Depth
9.1 mm
8.3 mm
9.9 mm
Size | Height
163.32 mm
161.94 mm
169.17 mm
Size | Width
77.01 mm
76.93 mm
78.48 mm
Weight
198 g
205 g
239 g
Display
Aspect Ratio
19.5:9
20:9
19.5:9
Brightness
400 nit
500 nits
Contrast Ratio
1500:1
5,000,000:1 (typical)
Display Color Depth
10-bit (1.07B)
Display Diagonal
6.53 inch
6.67 inch
6.65"
Display Type
OLED
AMOLED
Gamut
70% NTSC
100% DCI-P3
Pixel Density
394 ppi
Refresh Rate
120 Hz
144 Hz
Resolution
2340x1080 FHD+
FHD+ 2400x1080
2340 x 1080 FHD+
Function
Bluetooth Codecs
AAC / LDAC / LHDC
Chipset
MediaTek Helio G80 SoC
MediaTek 1200
Fast Charging
18W Fast Charge
67W wired turbo charging, 42min to 100%
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
Graphics
Mali-G52 MC2, 950 MHz
9-core Mali
Qualcomm Adreno 650
HDR
HDR10+
Operating System
MIUI 11
MIUI 12.5, Android 11
Android 10/ZUI 12/Legion OS
Processor
2 ARM Cortex A75 + 6 ARM Cortex A55, Octa-core CPU
8-core Cortex A78, 6nm
Qualcomm Snapdragon 865 Plus 5G Mobile Platform
SIM
Dual Nano 4G
Dual nano 5G
Dual SIM dual standby (both 5G + LTE)
Security
AI Face Unlock + Rear fingerprint sensor (Redmi 9 only)
Side-mounted fingerprint sensor
Sensor
Fingerprint on-display / Accelerator+Gyroscope sensor / E-Compass / Gyroscope / Proximity+Ambient light sensor / Hall sensor / Ambient light sensor / Ultrasonic sensor / Multidimensional vibration control
Touch Screen
480Hz touch sampling rate
Video Recording
4K 30fps, FHD 120fps, HD 960fps
Performance
Charging Time
52min to 100%
Memory | Capacity
3 or 4 GB
6, 8, or 12 GB
12GB or 16GB
Memory | Type
LPDDR4X
LPDDR4x 4266Mbps
LPDDR5
Power Supply
65W or 90W
Storage
32 or 64 GB eMMC 5.1
128 or 256 GB UFS 3.1
UFS 3.1 256GB or 512GB
Production
Availability
2020-07
Debut
2020-07-15
2021-04-27
2020-07-22
Made In
China
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