Realme X2 vs Xiaomi Poco F1 vs Redmi K20 Pro

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

Color
ColorPearl White, Pearl Blue
ColorGraphite Black, Steel Blue, Rosso Red, Armored Edition with Kevlar
ColorCarbon black, Flame red, Glacier blue, Summer Honey, Pearl White
Build
BuildFront/back glass (Gorilla Glass 5), plastic frame
BuildFront glass, plastic body
BuildFront/back glass (Gorilla Glass 5), aluminum frame
Color
ColorPearl Blue
ColorArmored Edition with Kevlar
ColorPearl White
Height
Height
Height6.12 inches
Height6.17 inches
Width
Width
Width2.96 inches
Width2.93 inches
Thickness
Thickness
Thickness0.35 inches
Thickness0.35 inches
Weight
Weight
Weight182 g
Weight191 g

Screen Size
Screen Size6.4 inches
Screen Size6.18 inches
Screen Size6.39 inches
Display Type
Display TypeSuper AMOLED capacitive touchscreen
Display TypeIPS LCD capacitive touchscreen
Display TypeSuper AMOLED capacitive touchscreen
Display Resolution
Display Resolution1080 x 2340 pixels
Display Resolution1080 x 2246 pixels
Display Resolution1080 x 2340 pixels
Pixel Density
Pixel Density403 ppi
Pixel Density403 ppi
Pixel Density403 ppi
Aspect Ratio
Aspect Ratio19.5:9
Aspect Ratio
Aspect Ratio19.5:9
Protection
ProtectionCorning Gorilla Glass 5
ProtectionCorning Gorilla Glass (unspecified version)
ProtectionCorning Gorilla Glass 5
Screen Resolution
Screen Resolution1080X2340
Screen Resolution1080X2246
Screen Resolution1080X2340
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 Ratio82.20%
Screen to Body Ratio86.1%
Display Type
Display Type
Display TypeIPS LCD
Display Type

GPU
GPUAdreno 618
GPUAdreno 630
GPUAdreno 640
RAM
RAM8 GB RAM
RAM6 GB RAM
RAM8 GB RAM
Cores
Cores8
Cores8
Cores8
OS
OSAndroid 9.0 (Pie), planned upgrade to Android 10.0 ColorOS 6
OSAndroid 8.1 (Oreo), upgradable to Android 9.0 (Pie) MIUI 10.2.3 POCO
OSAndroid 9.0 (Pie) MIUI 10
Chipset GP
Chipset GPQualcomm SDM730 Snapdragon 730G (8 nm)
Chipset GPQualcomm SDM845 Snapdragon 845 (10 nm)
Chipset GPQualcomm SDM855 Snapdragon 855 (7 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 (1x2.84 GHz Kryo 485 3x2.42 GHz Kryo 485 4x1.78 GHz Kryo 485)
Chipset
Chipset
ChipsetQualcomm SDM845 Snapdragon 845
Chipset

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 Storage128GB 6GB RAM or 256GB 8GB RAM
Storage
Storage128 GB
Storage128 GB
Storage256 GB
Expandable Memory
Expandable MemorymicroSD, up to 256 GB (dedicated slot)
Expandable MemorymicroSD, up to 256 GB (uses shared SIM slot)
Expandable MemoryNo

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
AutofocusPDAF, Laser AF, PDAF, Laser AF
Back Camera Video
Back Camera Video2160p30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
Back Camera Video2160p30/60fps, 1080p30fps (gyro-EIS), 1080p240fps, 720p960fps
Back Camera Video2160p30/60fps, 1080p30/120/240fps, 1080p960fps
Back Camera Features
Back Camera FeaturesLED flash, HDR, panorama
Back Camera FeaturesDual-LED flash, HDR, panorama
Back Camera FeaturesDual-LED flash, HDR, panorama
Dual Camera
Dual Camera
Dual Camera12 MP, f/1.9, 1/2.55, 1.4 micron|5 MP, f/2.0, 1.12 micron, depth sensor
Dual Camera
Triple Camera
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

Single Camera
Single Camera32 MP, f/2.0
Single Camera20 MP, f/2.0, 0.9 micron
Single CameraMotorized pop-up 20 MP, f/2.2, 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 FeaturesDolby Atmos
Audio FeaturesActive noise cancellation with dedicated mic
Audio Features24-bit/192kHz audio|Active noise cancellation with dedicated mic

Battery Capacity
Battery Capacity4000 mAh
Battery Capacity4000 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 3.0)
ChargingFast battery charging 27W (Quick Charge 4)
Battery Capacity
Battery Capacity4000 mAh
Battery Capacity4000 mAh
Battery Capacity4000 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, Wi-Fi Direct, hotspot
GPS
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
GPSYes, with A-GPS, GLONASS, BDS
GPSYes, with dual-band A-GPS, GLONASS, BDS, GALILEO
Radio
RadioFM radio
RadioFM radio, recording
RadioYes
USB
USB2.0, Type-C 1.0 reversible connector
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB2.0, Type-C 1.0 reversible connector, USB On-The-Go
SIM
SIMDual SIM (Nano-SIM, dual stand-by)
SIMHybrid Dual 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 (China only)

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

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