Realme X2 Pro 8/128GB Global (Banggood, Aliexpress: Dew-drop Fullscreen, 103.5 cm2 (~84.9% screen-to-body ratio), 16M colors, 1000 nits max brightness, 90Hz Screen Refresh Rate, GPU Adreno 640 (700 MHz), planned upgrade to Android 10.0; ColorOS 6.1, HDR10+, OS Android 9.0 (Pie), Display Size 6.5 inch, ROM 128GB UFS 3.0, DCI-P3 100%, Resolution 1080x 2400 pixels, RAM 8GB LPDDR4X, Card Extend No, Protection Corning Gorilla Glass 5, CPU Snapdragon 855 Plus (7nm), Maximum screen Contrast: 2000000: 1, FHD+, Octa-core (1×2.96 GHz Kryo 485 & 3×2.42 GHz Kryo 485 & 4×1.8 GHz Kryo 485), 20: 9 ratio (~402 ppi density), Type Super AMOLED capacitive touchscreen (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. I found coupon for you. Check this out.
Link: Banggood product page
1. ($482.99): Email5
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGX2PRO, BGCITYADS2019, BGRMX2P8128, od7off, BGRMX2PDP, BGSFX2P, BGX2P128
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Realme X2 Pro 8/128GB Global is here. The lowest price was: $444.99.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).