top 5 gaming android mobile under 20000

Qian Z3 5G (Ace Black, 6GB RAM, 128GB Storage)

Qualcomm Snapdragon 768G 5G processor, 7nm chip, and octa-core processor.
55W FlashCharge can charge the 4400mAh battery up to 50% in just 19 minutes* and a full charge in just 50 minutes*
64MP AF Main Camera with f/1.79 Aperture supported by GW3 sensor loaded with professional features like 4K videos @ 60FPS, EFB Autofocus Tracking, and more. The device also comes with a 16MP Front Camera
120Hz Refresh Rate | 180Hz Touch Sampling Rate
The five-layer liquid cooling system can reduce the core temperature by 10 degrees
2 Years of Software Updates and 3 Years of Android Security Patches.

16.21 centimeters (6.4-inch) Super AMOLED - Infinity U-cut display, FHD+ resolution with 60Hz Refresh rate, protected by Gorilla Glass 3
48MP+8MP+5MP Triple camera setup-48MP (F 2.0) main camera + 8MP (F2.2) Ultra wide camera + 5MP (F2.2) depth camera | 20MP (F2.2) front camera
Monster 6000 mAh Battery | Memory, Storage & SIM: 4GB RAM | 64GB internal memory expandable up to 512GB| SIM 1 + SIM 2 + MicroSD
Android 11, OneUI 3.1 Core operating system with Exynos 9611 Octa-Core Processor 2.3GHz,1.7GHz
6000mAH lithium-ion battery, 1-year manufacturer warranty for device, and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase

48MP quad rear camera with ultra-wide, depth sensor, macro mode, portrait, night mode, AI scene recognition, HDR, pro mode | 13 front camera
16.58 centimeters (6.53 inch) FHD+ with the multi-touch capacitive touchscreen with 2340 x 1080 pixels resolution | 19.5:9 aspect ratio
Memory, Storage & SIM: 4GB RAM | 64GB internal memory expandable up to 512GB | Dual SIM (nano+nano) with dedicated SD card support
Android v10 operating system with up to 2.0GHz Mediatek Helio G85 octa-core processor, Helio G85 with 12nm process, and up to 2.0GHz clock speed
5020mAH large lithium-polymer battery with 22.5W fast charger in-box
1-year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase
Box also includes: Power adapter, USB cable, sim eject tool, warranty card, user guide, and clear soft case

Display: FHD+ 1080x2400 AMOLED Dot display; 16.33 centimeters 6.43 inch; 20:9 aspect ratio
Camera: 64 MP Quad Rear camera with 8MP Ultra-wide, 2MP Macro and Portrait lens 13 MP Front camera
Processor: MediaTek Helio G95 Octa-core; 12nm process; Up to 2.05GHz clock speed
Battery: 5000 mAh large battery with 33W fast charger in-box and Type-C connectivity
Memory, Storage & SIM: 6GB RAM 128GB UFS 2.2 storage expandable up to 512GB with dedicated SD card slot Dual SIM nano+nano dual standby 4G+4G
Memory slots available: 1
Alexa Hands-Free capable: Download the Alexa app to use Alexa hands-free. Play music, make calls, hear the news, open apps, navigate, and more, using just your voice while on the go. Just ask, and Alexa will respond instantly.

12+2+2MP triple rear camera (12MP main camera+2MP macro lens+2MP depth camera) with Portrait bokeh, macro lens, dazzle color mode, AI beautification | 8MP front camera
16.5 centimeters (6.5-inch) waterdrop multi touch screen with an 89% screen to body ratio | 1600 x 720 pixels resolution, 269 PPI pixel density
Memory, Storage & SIM: 6GB RAM | 128GB internal memory expandable up to 256GB | Dual SIM (nano+nano) dual-standby (4G+4G)
Android Pie v9.0 based on ColorOS 6.1 operating system with 2.3GHz Mediatek 6765 octa-core processor, IMG GE8320
4230mAH lithium-polymer battery providing talk-time of 45 hours and standby time of 450 hours
1-year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase
Box also includes USB cable, Sim tray ejector, pre-applied screen protector and protective case, booklet with the warranty card,, and quick guide. The box does not include earphones