Realme X2 vs Redmi K20 vs Asus ZenFone Max Pro M2

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

Color
ColorPearl White, Pearl Blue
ColorCarbon black, Red flame, Glacier blue
ColorBlue, Titanium
Build
BuildFront/back glass (Gorilla Glass 5), plastic frame
BuildFront/back glass, aluminum frame
BuildFront glass, plastic body
Color
ColorPearl Blue
ColorGlacier blue
ColorTitanium
Height
Height
Height6.17 inches
Height6.22 inches
Width
Width
Width2.93 inches
Width2.97 inches
Thickness
Thickness
Thickness0.35 inches
Thickness0.33 inches
Weight
Weight
Weight191 g
Weight175 g

Screen Size
Screen Size6.4 inches
Screen Size6.39 inches
Screen Size6.26 inches
Display Type
Display TypeSuper AMOLED capacitive touchscreen
Display TypeAMOLED capacitive touchscreen
Display TypeIPS LCD capacitive touchscreen
Display Resolution
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2280 pixels
Pixel Density
Pixel Density403 ppi
Pixel Density403 ppi
Pixel Density403 ppi
Aspect Ratio
Aspect Ratio19.5:9
Aspect Ratio19.5:9
Aspect Ratio
Protection
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass 6
Screen Resolution
Screen Resolution1080X2340
Screen Resolution1080X2340
Screen Resolution1080X2280
Display Size
Display Size6.25 inch to 6.5 inch
Display Size6.25 inch to 6.5 inch
Display Size6.25 inch to 6.5 inch
Screen to Body Ratio
Screen to Body Ratio
Screen to Body Ratio86.1%
Screen to Body Ratio82.00%
Display Type
Display Type
Display Type
Display TypeIPS LCD

GPU
GPUAdreno 618
GPUAdreno 618
GPUAdreno 512
RAM
RAM8 GB RAM
RAM6 GB RAM
RAM3 GB RAM
Cores
Cores8
Cores8
Cores8
OS
OSAndroid 9.0 (Pie), planned upgrade to Android 10.0 ColorOS 6
OSAndroid 9.0 (Pie) MIUI 10
OSAndroid 8.1 (Oreo), upgradable to Android 9.0 (Pie)
Chipset GP
Chipset GPQualcomm SDM730 Snapdragon 730G (8 nm)
Chipset GPQualcomm SDM730 Snapdragon 730 (8 nm)
Chipset GPQualcomm SDM660 Snapdragon 660 (14 nm)
CPU
CPUOcta-core (2x2.2 GHz Kryo 470 Gold 6x1.8 GHz Kryo 470 Silver)
CPUOcta-core (2x2.2 GHz Kryo 470 Gold 6x1.8 GHz Kryo 470 Silver)
CPUOcta-core (4x2.2 GHz Kryo 260 4x1.8 GHz Kryo 260)
Chipset
Chipset
Chipset
ChipsetQualcomm SDM660 Snapdragon 660

RAM/Internal Storage
RAM/Internal Storage64GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
RAM/Internal Storage256 GB, 8 GB RAM or 64/128 GB, 6 GB RAM
RAM/Internal Storage64 GB, 4/6 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
AutofocusPDAF
AutofocusPDAF
Back Camera Video
Back Camera Video2160p30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
Back Camera Video2160p30fps, 1080p30/120/240fps, 1080p960fps
Back Camera Video2160p30fps, 1080p30/60fps, gyro-EIS
Back Camera Features
Back Camera FeaturesLED flash, HDR, panorama
Back Camera FeaturesDual-LED flash, HDR, panorama
Back Camera FeaturesLED flash, HDR, panorama
Triple Camera
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 Camera
Dual Camera
Dual Camera
Dual Camera
Dual Camera12 MP, f/1.8, 1/2.9, 1.25m|5 MP, f/2.4, 1.12 micron, depth sensor

Single Camera
Single Camera32 MP, f/2.0
Single CameraMotorized pop-up 20 MP, f/2.2, 0.8 micron
Single Camera13MP, f/2.0, 1.12 micron
Front Camera Video
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Video1080p30fps
Front Camera Features
Front Camera FeaturesHDR
Front Camera FeaturesHDR
Front Camera FeaturesLED flash, HDR

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

Battery Capacity
Battery Capacity4000 mAh
Battery Capacity4000 mAh
Battery Capacity5000 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
ChargingFast battery charging 10W
Battery Capacity
Battery Capacity4000 mAh
Battery Capacity4000 mAh
Battery Capacity5000 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 b/g/n, WiFi Direct, hotspot
GPS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with A-GPS, GLONASS, BDS, GALILEO, QZSS
Radio
RadioFM radio
RadioYes
RadioFM radio
USB
USB2.0, Type-C 1.0 reversible connector
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
USBmicroUSB 2.0, USB On-The-Go
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
NFCYes
NFCYes

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

Announced On
Announced OnExp. announcement 2019, September
Announced On2019, May
Announced On2018, December
Status
StatusRumored. Exp. release 2019, September
StatusAvailable. Released 2019, June
StatusAvailable. Released 2018, December