Redmi K20 vs Xiaomi Mi 9 Transparent Edition vs Samsung Galaxy A70

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

Height
Height6.17 inches
Height6.20 inches
Height6.47 inches
Width
Width2.93 inches
Width2.94 inches
Width3.02 inches
Thickness
Thickness0.35 inches
Thickness0.30 inches
Thickness0.31 inches
Weight
Weight191 g
Weight173 g
Weight183 g
Color
ColorCarbon black, Red flame, Glacier blue
ColorTransparent Black
ColorCoral, Blue, Black, White
Build
BuildFront/back glass, aluminum frame
BuildBack glass (Gorilla Glass 5), aluminum frame (7000 series)
Build
Color
ColorGlacier blue
ColorTransparent Black
ColorWhite

Screen Size
Screen Size6.39 inches
Screen Size6.39 inches
Screen Size6.7 inches
Display Type
Display TypeAMOLED capacitive touchscreen
Display TypeSuper AMOLED capacitive touchscreen
Display TypeSuper AMOLED capacitive touchscreen
Display Resolution
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2400 pixels
Pixel Density
Pixel Density403 ppi
Pixel Density403 ppi
Pixel Density393 ppi
Aspect Ratio
Aspect Ratio19.5:9
Aspect Ratio
Aspect Ratio
Protection
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass 6
ProtectionCorning Gorilla Glass 3
Screen to Body Ratio
Screen to Body Ratio86.1%
Screen to Body Ratio85.20%
Screen to Body Ratio86.00%
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 Size6.5 inch to 6.75 inch
Display Type
Display Type
Display Type
Display TypeSuper AMOLED

OS
OSAndroid 9.0 (Pie) MIUI 10
OSAndroid 9.0 (Pie) MIUI 10
OSAndroid 9.0 (Pie) One UI
GPU
GPUAdreno 618
GPUAdreno 640
GPUAdreno 612
RAM
RAM6 GB RAM
RAM12 GB RAM
RAM8 GB RAM
Cores
Cores8
Cores
Cores
Chipset GP
Chipset GPQualcomm SDM730 Snapdragon 730 (8 nm)
Chipset GPQualcomm SDM855 Snapdragon 855 (7 nm)
Chipset GPQualcomm SDM675 Snapdragon 675 (11 nm)
CPU
CPUOcta-core (2x2.2 GHz Kryo 470 Gold 6x1.8 GHz Kryo 470 Silver)
CPUOcta-core (1x2.84 GHz Kryo 485 3x2.42 GHz Kryo 485 4x1.8 GHz Kryo 485)
CPUOcta-core (2x2.0 GHz Kryo 460 Gold 6x1.7 GHz Kryo 460 Silver)

RAM/Internal Storage
RAM/Internal Storage256 GB, 8 GB RAM or 64/128 GB, 6 GB RAM
RAM/Internal Storage256 GB, 8/12 GB RAM
RAM/Internal Storage128 GB, 6/8 GB RAM
Storage
Storage128 GB
Storage256 GB
Storage128 GB
Expandable Memory
Expandable MemoryNo
Expandable MemoryNo
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 Camera48 MP, f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model), (wide), 1/2, 0.8 micron|12 MP, f/2.2, 54mm (telephoto), 1/3.6, 1.0 micron, 2x optical zoom|16 MP, f/2.2, 13mm (ultrawide), 1/3.0, 1.0 micron
Triple Camera32 MP, f/1.7|8 MP, f/2.2, 12mm (ultrawide)|5 MP, f/2.2, depth sensor
Autofocus
AutofocusPDAF
AutofocusLaser/PDAF
AutofocusPDAF
Back Camera Video
Back Camera Video2160p30fps, 1080p30/120/240fps, 1080p960fps
Back Camera Video2160p30/60fps, 1080p30/120/240fps, 1080p960fps
Back Camera Video2160p30fps, 1080p30/240fps
Back Camera Features
Back Camera FeaturesDual-LED flash, HDR, panorama
Back Camera FeaturesDual-LED flash, HDR, panorama
Back Camera FeaturesLED flash, panorama, HDR

Single Camera
Single CameraMotorized pop-up 20 MP, f/2.2, 0.8 micron
Single Camera20 MP, f/2.0, 0.9 micron
Single Camera32 MP, f/2.0, 0.8 micron
Front Camera Video
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Features
Front Camera FeaturesHDR
Front Camera FeaturesHDR
Front Camera FeaturesHDR

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
Audio FeaturesActive noise cancellation with dedicated mic

Battery Capacity
Battery Capacity4000 mAh
Battery Capacity3300 mAh
Battery Capacity4500 mAh
User Replaceable
User ReplaceableNon-removable
User ReplaceableNon-removable
User ReplaceableNon-removable
Charging
ChargingFast battery charging 18W
ChargingFast battery charging 27W (Quick Charge 4)|Fast wireless charging 20W
ChargingFast battery charging 25W
Battery Capacity
Battery Capacity4000 mAh
Battery Capacity3200 mAh to 3400 mAh
Battery Capacity4400 mAh to 4600 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, DLNA, hotspot
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
GPS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
Radio
RadioYes
RadioNo
RadioFM radio
USB
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB2.0, Type-C 1.0 reversible connector
NFC
NFCYes
NFCYes
NFCYes (market dependent)
SIM
SIMDual SIM (Nano-SIM, dual stand-by)
SIMDual SIM (Nano-SIM, dual stand-by)
SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Network Support
Network SupportGSM / HSPA / LTE
Network SupportGSM / CDMA / HSPA / LTE
Network SupportGSM / HSPA / LTE

Sensors
SensorsFingerprint (under display), accelerometer, gyro, proximity, compass
SensorsFingerprint (under display), accelerometer, gyro, proximity, compass
SensorsFingerprint (under display), accelerometer, gyro, proximity, compass

Announced On
Announced On2019, May
Announced On2019, February
Announced On2019, March
Status
StatusAvailable. Released 2019, June
StatusComing soon. Exp. release 2019, June
StatusAvailable. Released 2019, April