GPU: Adreno 640, Octa Core (1×2.84GHz Kryo 485 & 3×2.42GHz Kryo 485 & 4×1.78GHz Kryo 485), , CPU: Snapdragon 855 (10 nm), Card Extend: No, OS: Android 9.0 (Pie); OxygenOS 9.5.11, ROM: 256GB UFS 3.0 2-LANE, RAM: 8GB LPDDR4X.
Just check coupons out (with price alert and history). You probably want to know what is the best price?
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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in Hong Kong. There are no coupons available at this moment in Banggood.
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): BG7P256G
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for OnePlus 7 Pro 8/256GB Global EU? There we go. The lowest price was: $549.99.
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)).