Realme X2 vs Xiaomi Mi 8 Pro vs Samsung Galaxy A30

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

Color
ColorPearl White, Pearl Blue
ColorBlack (transparent back), Meteorite black, Twilight Gold
ColorBlack, Blue, Red
Build
BuildFront/back glass (Gorilla Glass 5), plastic frame
BuildFront/back glass, aluminum frame (7000 series)
BuildFront glass, plastic body
Color
ColorPearl Blue
ColorTwilight Gold
ColorRed
Height
Height
Height6.10 inches
Height6.24 inches
Width
Width
Width2.94 inches
Width2.94 inches
Thickness
Thickness
Thickness0.30 inches
Thickness0.30 inches
Weight
Weight
Weight177 g
Weight165 g

Screen Size
Screen Size6.4 inches
Screen Size6.21 inches
Screen Size6.4 inches
Display Type
Display TypeSuper AMOLED capacitive touchscreen
Display TypeSuper AMOLED capacitive touchscreen
Display TypeSuper AMOLED capacitive touchscreen
Display Resolution
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2248 pixels
Display Resolution1080 x 2340 pixels
Pixel Density
Pixel Density403 ppi
Pixel Density
Pixel Density403 ppi
Aspect Ratio
Aspect Ratio19.5:9
Aspect Ratio
Aspect Ratio
Protection
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass 3
Screen Resolution
Screen Resolution1080X2340
Screen Resolution
Screen Resolution
Display Size
Display Size6.25 inch to 6.5 inch
Display Size6 inch to 6.25 inch
Display Size6.25 inch to 6.5 inch
Screen to Body Ratio
Screen to Body Ratio
Screen to Body Ratio83.80%
Screen to Body Ratio84.90%
Display Type
Display Type
Display TypeSuper AMOLED
Display TypeSuper AMOLED

GPU
GPUAdreno 618
GPUAdreno 630
GPUMali-G71 MP2
RAM
RAM8 GB RAM
RAM8 GB RAM
RAM3 GB RAM
Cores
Cores8
Cores
Cores
OS
OSAndroid 9.0 (Pie), planned upgrade to Android 10.0 ColorOS 6
OSAndroid 8.1 (Oreo) MIUI 10
OSAndroid 9.0 (Pie)
Chipset GP
Chipset GPQualcomm SDM730 Snapdragon 730G (8 nm)
Chipset GPQualcomm SDM845 Snapdragon 845 (10 nm)
Chipset GPExynos 7904 (14 nm)
CPU
CPUOcta-core (2x2.2 GHz Kryo 470 Gold 6x1.8 GHz Kryo 470 Silver)
CPUOcta-core (4x2.8 GHz Kryo 385 Gold 4x1.8 GHz Kryo 385 Silver)
CPUOcta-core (2x1.8 GHz Cortex-A73 6x1.6 GHz Cortex-A53)

RAM/Internal Storage
RAM/Internal Storage64GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
RAM/Internal Storage128 GB, 6/8 GB RAM
RAM/Internal Storage64 GB, 4 GB RAM or 32 GB, 3 GB RAM
Storage
Storage128 GB
Storage128 GB
Storage32 GB
Expandable Memory
Expandable MemorymicroSD, up to 256 GB (dedicated slot)
Expandable MemoryNo
Expandable MemorymicroSD, up to 1 TB (dedicated slot)

Quad Camera
Quad Camera64 MP, f/1.8, (wide), 1/1.7, 0.8 micron|8 MP, f/2.3, 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
Quad Camera
Autofocus
AutofocusPDAF
Autofocusdual pixel PDAF, AF
AutofocusPDAF
Back Camera Video
Back Camera Video2160p30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
Back Camera Video2160p60fps, 1080p30/240fps
Back Camera Video1080p30fps
Back Camera Features
Back Camera FeaturesLED flash, HDR, panorama
Back Camera FeaturesDual-LED flash, HDR, panorama
Back Camera FeaturesLED flash, panorama, HDR
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
Dual Camera16 MP, f/1.7|5 MP, f/2.2, 12mm, (ultrawide)
OIS
OIS
OIS4-axis OIS
OIS

Single Camera
Single Camera32 MP, f/2.0
Single Camera20 MP, f/2.0, 0.9 micron
Single Camera16 MP, f/2.0
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 FeaturesDolby Atmos
Audio FeaturesActive noise cancellation with dedicated mic
Audio FeaturesActive noise cancellation with dedicated mic

Battery Capacity
Battery Capacity4000 mAh
Battery Capacity3000 mAh
Battery Capacity4000 mAh
User Replaceable
User ReplaceableNon-removable
User ReplaceableNon-removable
User ReplaceableNon-removable
Charging
ChargingFast battery charging 30W: 67% in 30 min (VOOC Flash Charge 3.0)
ChargingFast battery charging 18W (Quick Charge 4)
ChargingFast battery charging 15W
Battery Capacity
Battery Capacity4000 mAh
Battery Capacity2800 mAh to 3000 mAh
Battery Capacity3800 mAh to 4000 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, BDS
Radio
RadioFM radio
RadioNo
RadioFM radio
USB
USB2.0, Type-C 1.0 reversible connector
USBType-C 1.0 reversible connector
USB2.0, Type-C 1.0 reversible connector
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 / HSPA / LTE
Network SupportGSM / HSPA / LTE
NFC
NFC
NFCYes
NFC

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

Announced On
Announced OnExp. announcement 2019, September
Announced On2018, September
Announced On2019, February
Status
StatusRumored. Exp. release 2019, September
StatusAvailable. Released 2018, September
StatusAvailable. Released 2019, March