Redmi K20 vs Samsung Galaxy M40 vs LG V35 ThinQ

Bluetooth
Bluetooth5.0, A2DP, LE, aptX HD
Bluetooth5.0, A2DP, LE
Bluetooth5.0, A2DP, LE, aptX HD
OSN
OSNAndroid
OSN
OSN

Height
Height6.17 inches
Height6.11 inches
Height5.97 inches
Width
Width2.93 inches
Width2.91 inches
Width2.97 inches
Thickness
Thickness0.35 inches
Thickness0.31 inches
Thickness0.29 inches
Weight
Weight191 g
Weight168 g
Weight157 g
Color
ColorCarbon black, Red flame, Glacier blue
ColorSweater Blue, Midnight Blue
ColorNew Aurora Black, New Platinum Gray
Build
BuildFront/back glass, aluminum frame
BuildFront glass, plastic body
BuildFront/back glass (Gorilla Glass 5), aluminum frame
Color
ColorGlacier blue
ColorMidnight Blue
ColorNew Platinum Gray

Screen Size
Screen Size6.39 inches
Screen Size6.3 inches
Screen Size6.0 inches
Display Type
Display TypeAMOLED capacitive touchscreen
Display TypePLS TFT capacitive touchscreen
Display TypeP-OLED capacitive touchscreen
Display Resolution
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2340 pixels
Display Resolution1440 x 2880 pixels
Pixel Density
Pixel Density403 ppi
Pixel Density409 ppi
Pixel Density538 ppi
Aspect Ratio
Aspect Ratio19.5:9
Aspect Ratio19.5:9
Aspect Ratio
Protection
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass (unspecified)
ProtectionCorning Gorilla Glass 5
Screen to Body Ratio
Screen to Body Ratio86.1%
Screen to Body Ratio84.9%
Screen to Body Ratio0.809
Screen Resolution
Screen Resolution1080X2340
Screen Resolution
Screen Resolution
Display Size
Display Size6.25 inch to 6.5 inch
Display Size6.25 inch to 6.5 inch
Display Size5.75 inch to 6 inch
Display Type
Display Type
Display TypePLS TFT
Display TypeP-OLED

OS
OSAndroid 9.0 (Pie) MIUI 10
OSAndroid 9.0 (Pie) One UI
OSAndroid 8.0 (Oreo), upgradable to Android 9.0 (Pie)
GPU
GPUAdreno 618
GPUAdreno 612
GPUAdreno 630
RAM
RAM6 GB RAM
RAM4 GB RAM
RAM6 GB RAM
Cores
Cores8
Cores
Cores
Chipset GP
Chipset GPQualcomm SDM730 Snapdragon 730 (8 nm)
Chipset GPQualcomm SDM675 Snapdragon 675 (11 nm)
Chipset GPQualcomm SDM845 Snapdragon 845 (10 nm)
CPU
CPUOcta-core (2x2.2 GHz Kryo 470 Gold 6x1.8 GHz Kryo 470 Silver)
CPUOcta-core (2x2.0 GHz Kryo 460 Gold 6x1.7 GHz Kryo 460 Silver)
CPUOcta-core (4x2.8 GHz Kryo 385 Gold 4x1.7 GHz Kryo 385 Silver)

RAM/Internal Storage
RAM/Internal Storage256 GB, 8 GB RAM or 64/128 GB, 6 GB RAM
RAM/Internal Storage128 GB, 6 GB RAM or 64 GB, 4 GB RAM
RAM/Internal Storage128 GB, 6 GB RAM (V35) or 64 GB, 6 GB RAM (V35)
Storage
Storage128 GB
Storage64 GB
Storage64 GB
Expandable Memory
Expandable MemoryNo
Expandable MemorymicroSD, up to 1 TB (uses shared SIM slot)
Expandable MemorymicroSD, up to 1 TB (dedicated slot)

Triple Camera
Triple Camera48 MP, f/1.8, 26mm (wide), 1/2, 0.8 micron|8 MP, f/2.4, 53mm (telephoto), 1/4, 1.12 micron, 2x optical zoom|13 MP, f/2.4, 12mm (ultrawide), 1/3, 1.12 micron
Triple Camera32 MP, f/1.7, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide), 1.12 micron|5 MP, f/2.2, depth sensor
Triple Camera
Autofocus
AutofocusPDAF
AutofocusPDAF
AutofocusPDAF laser AF
Back Camera Video
Back Camera Video2160p30fps, 1080p30/120/240fps, 1080p960fps
Back Camera Video2160p30fps, 1080p30fps
Back Camera Video2160p30fps, 1080p30/60fps, 720p240fps, 24-bit/192kHz stereo sound rec., HDR10 video
Back Camera Features
Back Camera FeaturesDual-LED flash, HDR, panorama
Back Camera FeaturesLED flash, panorama, HDR
Back Camera FeaturesLED flash, HDR, panorama
Dual Camera
Dual Camera
Dual Camera
Dual Camera16 MP, f/1.6, 30mm (standard), 1/3.1, 1.0 micron|16 MP, f/1.9, 16mm (ultrawide), 1/3.1, 1.0 micron
OIS
OIS
OIS
OIS3-axis OIS

Single Camera
Single CameraMotorized pop-up 20 MP, f/2.2, 0.8 micron
Single Camera16 MP, f/2.0
Single Camera8 MP, f/1.9, 26mm (wide)
Front Camera Video
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Features
Front Camera FeaturesHDR
Front Camera FeaturesHDR
Front Camera Features

HeadPhone Jack
HeadPhone JackYes
HeadPhone JackYes
HeadPhone JackYes
Loudspeaker
LoudspeakerYes
LoudspeakerYes
LoudspeakerYes
Audio Features
Audio Features24-bit/192kHz audio|Active noise cancellation with dedicated mic
Audio FeaturesActive noise cancellation with dedicated mic|Dolby Atmos sound
Audio Features32-bit/192kHz audio|BO Play certified|24-bit/48kHz audio recording|Active noise cancellation with dedicated mic|DTS: X Surround Sound

Battery Capacity
Battery Capacity4000 mAh
Battery Capacity3500 mAh
Battery Capacity3300 mAh
User Replaceable
User ReplaceableNon-removable
User ReplaceableNon-removable
User ReplaceableNon-removable
Charging
ChargingFast battery charging 18W
ChargingFast battery charging 15W
ChargingFast battery charging 18W: 50% in 36 min (Quick Charge 3.0)|USB Power Delivery 2.0|Wireless charging 10W
Battery Capacity
Battery Capacity4000 mAh
Battery Capacity3400 mAh to 3600 mAh
Battery Capacity3200 mAh to 3400 mAh
Battery Type
Battery TypeLi-Po
Battery TypeLi-Po
Battery TypeLi-Po

WLAN
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
GPS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with A-GPS, GLONASS, GALILEO
Radio
RadioYes
RadioFM radio
RadioStereo FM radio with RDS
USB
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB2.0, Type-C 1.0 reversible connector
USB3.1, Type-C 1.0 reversible connector
NFC
NFCYes
NFCYes
NFCYes
SIM
SIMDual SIM (Nano-SIM, dual stand-by)
SIMHybrid Dual SIM (Nano-SIM, dual stand-by)
SIMNano-SIM
Network Support
Network SupportGSM / HSPA / LTE
Network SupportGSM / HSPA / LTE
Network SupportGSM / HSPA / LTE

Sensors
SensorsFingerprint (under display), accelerometer, gyro, proximity, compass
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, color spectrum
Water Resistant
Water Resistant
Water Resistant
Water ResistantIP68 dust/water proof (up to 1.5m for 30 mins)

Announced On
Announced On2019, May
Announced On2019, June
Announced On2018, May
Status
StatusAvailable. Released 2019, June
StatusAvailable. Released 2019, June
StatusAvailable. Released 2018, June