Samsung galaxy M30s vs Redmi Note 8 vs Xiaomi Mi 8 Pro

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

Weight
Weight188 g
Weight
Weight177 g
Color
ColorOpal Black, Sapphire Blue, Pearl White
ColorCrystal Green, Crystal Blue
ColorBlack (transparent back), Meteorite black, Twilight Gold
Build
BuildFront glass, plastic body
BuildFront glass, plastic body
BuildFront/back glass, aluminum frame (7000 series)
Color
ColorPearl White
ColorCrystal Blue
ColorTwilight Gold
Height
Height
Height6.23 inches
Height6.10 inches
Width
Width
Width2.96 inches
Width2.94 inches
Thickness
Thickness
Thickness0.33 inches
Thickness0.30 inches

Screen Size
Screen Size6.4 inches
Screen Size6.3 inches
Screen Size6.21 inches
Display Type
Display TypeSuper AMOLED capacitive touchscreen
Display TypeIPS LCD capacitive touchscreen
Display TypeSuper AMOLED capacitive touchscreen
Display Resolution
Display Resolution1080 x 2400 pixels
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2248 pixels
Pixel Density
Pixel Density411 ppi
Pixel Density409 ppi
Pixel Density
Aspect Ratio
Aspect Ratio20:09
Aspect Ratio19.5:9
Aspect Ratio
Screen Resolution
Screen Resolution1080X2340
Screen Resolution1080X2340
Screen Resolution
Display Size
Display Size6.25 inch to 6.5 inch
Display Size6.25 inch to 6.5 inch
Display Size6 inch to 6.25 inch
Screen to Body Ratio
Screen to Body Ratio
Screen to Body Ratio81.70%
Screen to Body Ratio83.80%
Protection
Protection
Protection
ProtectionCorning Gorilla Glass 5
Display Type
Display Type
Display Type
Display TypeSuper AMOLED

OS
OSAndroid 9.0 (Pie) One UI
OSAndroid 9.0 (Pie) MIUI 10
OSAndroid 8.1 (Oreo) MIUI 10
GPU
GPUMali-G72 MP3
GPUAdreno 610
GPUAdreno 630
RAM
RAM6 GB RAM
RAM3 GB RAM
RAM8 GB RAM
Cores
Cores8
Cores8
Cores
Chipset GP
Chipset GPExynos 9611 (10nm)
Chipset GPQualcomm SDM665 Snapdragon 665 (11 nm)
Chipset GPQualcomm SDM845 Snapdragon 845 (10 nm)
CPU
CPUOcta-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)
CPUOcta-core (4x2.0 GHz Kryo 260 Gold 4x1.8 GHz Kryo 260 Silver)
CPUOcta-core (4x2.8 GHz Kryo 385 Gold 4x1.8 GHz Kryo 385 Silver)

Storage
Storage128 GB
Storage32 GB
Storage128 GB
RAM/Internal Storage
RAM/Internal Storage64GB 4GB RAM, 128GB 6GB RAM
RAM/Internal Storage64GB 4GB RAM, 64GB 6 GB RAM, 128GB 6GB RAM
RAM/Internal Storage128 GB, 6/8 GB RAM
Expandable Memory
Expandable MemorymicroSD, up to 1 TB (dedicated slot)
Expandable MemorymicroSD, up to 256 GB
Expandable MemoryNo

Triple Camera
Triple Camera48 MP, f/2.0, (wide), 1/2, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide)|5 MP, f/2.2, depth sensor
Triple Camera
Triple Camera
Autofocus
AutofocusPDAF
AutofocusPDAF
Autofocusdual pixel PDAF, AF
Back Camera Video
Back Camera Video2160p30fps, 1080p30fps, gyro-EIS
Back Camera Video2160p30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
Back Camera Video2160p60fps, 1080p30/240fps
Back Camera Features
Back Camera FeaturesLED flash, panorama, HDR
Back Camera FeaturesLED flash, HDR, panorama
Back Camera FeaturesDual-LED flash, HDR, panorama
Quad Camera
Quad Camera
Quad Camera48 MP, f/1.8, (wide), 1/2, 0.8 micron|8 MP, f/2.2, 13mm (ultrawide), 1/4, 1.12 micron|2 MP, f/2.4, 1/5, 1.75 micron (dedicated macro camera)|2 MP, f/2.4, 1/5, 1.75 micron, depth sensor
Quad Camera
Dual Camera
Dual Camera
Dual Camera
Dual Camera12 MP, f/1.8, 1/2.55, 1.4 micron|12 MP, f/2.4, 1/3.4, 1.0 micron, 2x optical zoom
OIS
OIS
OIS
OIS4-axis OIS

Single Camera
Single Camera16 MP, f/2.0
Single Camera13 MP, f/2.0
Single Camera20 MP, f/2.0, 0.9 micron
Front Camera Video
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Features
Front Camera FeaturesHDR
Front Camera FeaturesHDR, panorama
Front Camera FeaturesHDR

HeadPhone Jack
HeadPhone JackYes
HeadPhone JackYes
HeadPhone JackYes
Loudspeaker
LoudspeakerYes
LoudspeakerYes
LoudspeakerYes
Audio Features
Audio FeaturesActive noise cancellation with dedicated mic|Dolby Atmos sound
Audio Features
Audio FeaturesActive noise cancellation with dedicated mic

Battery Capacity
Battery Capacity6000 mAh
Battery Capacity4000 mAh
Battery Capacity3000 mAh
User Replaceable
User ReplaceableNon-removable
User ReplaceableNon-removable
User ReplaceableNon-removable
Charging
ChargingFast battery charging 15W
ChargingFast battery charging 18W
ChargingFast battery charging 18W (Quick Charge 4)
Battery Capacity
Battery Capacity6000 mAh
Battery Capacity4000 mAh
Battery Capacity2800 mAh to 3000 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, BDS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
Radio
RadioFM radio, RDS, recording
RadioFM radio
RadioNo
USB
USB2.0, Type-C 1.0 reversible connector
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
USBType-C 1.0 reversible connector
SIM
SIMDual SIM (Nano-SIM, dual stand-by)
SIMDual SIM (Nano-SIM, dual stand-by)
SIMDual SIM (Nano-SIM, dual stand-by)
Network Support
Network SupportGSM / HSPA / LTE
Network SupportGSM / HSPA / LTE
Network SupportGSM / HSPA / LTE
NFC
NFC
NFC
NFCYes

Sensors
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
SensorsInfrared face recognition, fingerprint (under display), accelerometer, gyro, proximity, barometer, compass

Announced On
Announced On2019, September
Announced On2019, August
Announced On2018, September
Status
StatusAvailable. Released 2019, September
StatusAvailable. Released 2019, September
StatusAvailable. Released 2018, September