planned upgrade to Android 10.0; ColorOS 6.1, Resolution 1080x 2400 pixels, Octa-core (1×2.96 GHz Kryo 485 & 3×2.42 GHz Kryo 485 & 4×1.8 GHz Kryo 485), RAM 8GB LPDDR4X, ROM 128GB UFS 3.0, GPU Adreno 640 (700 MHz), CPU Snapdragon 855 Plus (7nm), Display Size 6.5 inch, FHD+, 103.5 cm2 (~84.9% screen-to-body ratio), OS Android 9.0 (Pie), 20: 9 ratio (~402 ppi density).
You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG11X2P8128, BGBFAFF2019, BGCITYADS2019, od7off, 7bcdf9, Email5
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for Realme X2 Pro 8/128GB CN Blue. The lowest price was: $449.99.
Price records source(s): 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)).