Compare Redmi Note 8 2021 vs Redmi K40 Gaming Edition vs Lenovo Legion Phone Duel
Connectivity
Ports
USB-C 2.0, 3.5mm headphone
USB-C
Wireless Connectivity
IR, WiFi 5, Bluetooth 5.2
WiFi 6, Bluetooth 5.2
WiFi 6 / Bluetooth 5.0 / NFC / Location (GPS / GLONASS / BeiDou / Galileo / QZSS)
Construction
Battery | Capacity
4000 mAh (typ)
5065 mAh
5000mAh (typical) (2500mAh *2) w/ AI charging for battery protection
Camera | Front
13 MP, f/2.0, 1/3.1", 1.12µm
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
2 MP, f/2.4
Camera | Rear | Macro
2 MP, f/2.4
2MP, f/2.4
Camera | Rear | Ultra-Wide
8 MP, f/2.2, 120˚, 1/4.0", 1.12µm
8MP, f/2.2
Camera | Rear | Wide
48 MP, f/1.8, 26mm, 1/2.0", 0.8µm, PDAF
64MP, f/1.65
Colors
Neptune Blue, Moonlight White, Space Black
Black, Sliver, White
Vengeance Red / Blazing Blue
Material
Gorilla Glass 5 front and back, plastic frame
Corning Gorrila Glass 5
Microphone
Quad-microphone system with Qualcomm Noise Reduction Technology
Speakers
Super linear speaker
Dual speakers
Dual front-facing stereo speakers
Dimensions
Size | Depth
8.35 mm / 0.33"
8.3 mm
9.9 mm
Size | Height
158.3 mm / 6.23"
161.94 mm
169.17 mm
Size | Width
75.3 mm / 2.96"
76.93 mm
78.48 mm
Weight
190 g / 6.7oz
205 g
239 g
Display
Aspect Ratio
19.5:9
20:9
19.5:9
Brightness
500 nits
500 nits
Contrast Ratio
5,000,000:1 (typical)
Display Color Depth
10-bit (1.07B)
Display Diagonal
6.3 inch
6.67 inch
6.65"
Display Type
IPS
OLED
AMOLED
Gamut
100% DCI-P3
Pixel Density
409 ppi
Refresh Rate
120 Hz
144 Hz
Resolution
FHD+ 2340×1080
FHD+ 2400x1080
2340 x 1080 FHD+
Function
Bluetooth Codecs
AAC / LDAC / LHDC
Bluetooth Profiles
A2DP
Chipset
MediaTek Helio G85, 12nm manufacturing process
MediaTek 1200
Fast Charging
18W fast charge
67W wired turbo charging, 42min to 100%
GPS
GPS, A-GPS, GLONASS, GALILEO, BDS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
Graphics
Mali-G52 MP2 GPU
9-core Mali
Qualcomm Adreno 650
HDR
HDR10+
Operating System
Android 11, MIUI 12.5
MIUI 12.5, Android 11
Android 10/ZUI 12/Legion OS
Processor
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
8-core Cortex A78, 6nm
Qualcomm Snapdragon 865 Plus 5G Mobile Platform
SIM
2x Nano 4G LTE
Dual nano 5G
Dual SIM dual standby (both 5G + LTE)
Security
Side-mounted fingerprint sensor
Sensor
Fingerprint, accelerometer, gyro, proximity, compass
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
Tuner
FM radio
Video Recording
FHD @ 30fps
4K 30fps, FHD 120fps, HD 960fps
Performance
Charging Time
52min to 100%
Memory | Capacity
4 GB
6, 8, or 12 GB
12GB or 16GB
Memory | Type
LPDDR4X
LPDDR4x 4266Mbps
LPDDR5
Power Supply
65W or 90W
Storage
64 or 128 GB eMMC 5.1 storage + microSD
128 or 256 GB UFS 3.1
UFS 3.1 256GB or 512GB
Production
Availability
2020-07
Debut
2021-05-25
2021-04-27
2020-07-22
Made In
China
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