Redmi K20 vs Samsung Galaxy M40

Height
Height6.17 inches
Height6.11 inches
Height
Width
Width2.93 inches
Width2.91 inches
Width
Thickness
Thickness0.35 inches
Thickness0.31 inches
Thickness
Weight
Weight191 g
Weight168 g
Weight
Color
ColorCarbon black, Red flame, Glacier blue
ColorSweater Blue, Midnight Blue
Color
Build
BuildFront/back glass, aluminum frame
BuildFront glass, plastic body
Build
Color
ColorGlacier blue
ColorMidnight Blue
Color

Screen Size
Screen Size6.39 inches
Screen Size6.3 inches
Screen Size
Display Type
Display TypeAMOLED capacitive touchscreen
Display TypePLS TFT capacitive touchscreen
Display Type
Display Resolution
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2340 pixels
Display Resolution
Pixel Density
Pixel Density403 ppi
Pixel Density409 ppi
Pixel Density
Aspect Ratio
Aspect Ratio19.5:9
Aspect Ratio19.5:9
Aspect Ratio
Protection
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass (unspecified)
Protection
Screen to Body Ratio
Screen to Body Ratio86.1%
Screen to Body Ratio84.9%
Screen to Body Ratio
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 Size
Display Type
Display Type
Display TypePLS TFT
Display Type

OS
OSAndroid 9.0 (Pie) MIUI 10
OSAndroid 9.0 (Pie) One UI
OS
GPU
GPUAdreno 618
GPUAdreno 612
GPU
RAM
RAM6 GB RAM
RAM4 GB RAM
RAM
Cores
Cores8
Cores
Cores
Chipset GP
Chipset GPQualcomm SDM730 Snapdragon 730 (8 nm)
Chipset GPQualcomm SDM675 Snapdragon 675 (11 nm)
Chipset GP
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)
CPU

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 Storage
Storage
Storage128 GB
Storage64 GB
Storage
Expandable Memory
Expandable MemoryNo
Expandable MemorymicroSD, up to 1 TB (uses shared SIM slot)
Expandable Memory

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
Autofocus
Back Camera Video
Back Camera Video2160p30fps, 1080p30/120/240fps, 1080p960fps
Back Camera Video2160p30fps, 1080p30fps
Back Camera Video
Back Camera Features
Back Camera FeaturesDual-LED flash, HDR, panorama
Back Camera FeaturesLED flash, panorama, HDR
Back Camera Features

Single Camera
Single CameraMotorized pop-up 20 MP, f/2.2, 0.8 micron
Single Camera16 MP, f/2.0
Single Camera
Front Camera Video
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Video
Front Camera Features
Front Camera FeaturesHDR
Front Camera FeaturesHDR
Front Camera Features

HeadPhone Jack
HeadPhone JackYes
HeadPhone JackYes
HeadPhone Jack
Loudspeaker
LoudspeakerYes
LoudspeakerYes
Loudspeaker
Audio Features
Audio Features24-bit/192kHz audio|Active noise cancellation with dedicated mic
Audio FeaturesActive noise cancellation with dedicated mic|Dolby Atmos sound
Audio Features

Battery Capacity
Battery Capacity4000 mAh
Battery Capacity3500 mAh
Battery Capacity
User Replaceable
User ReplaceableNon-removable
User ReplaceableNon-removable
User Replaceable
Charging
ChargingFast battery charging 18W
ChargingFast battery charging 15W
Charging
Battery Capacity
Battery Capacity4000 mAh
Battery Capacity3400 mAh to 3600 mAh
Battery Capacity
Battery Type
Battery TypeLi-Po
Battery TypeLi-Po
Battery Type

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
WLAN
GPS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPS
Radio
RadioYes
RadioFM radio
Radio
USB
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB2.0, Type-C 1.0 reversible connector
USB
NFC
NFCYes
NFCYes
NFC
SIM
SIMDual SIM (Nano-SIM, dual stand-by)
SIMHybrid Dual SIM (Nano-SIM, dual stand-by)
SIM
Network Support
Network SupportGSM / HSPA / LTE
Network SupportGSM / HSPA / LTE
Network Support

Sensors
SensorsFingerprint (under display), accelerometer, gyro, proximity, compass
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Sensors

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