The Oppo A52 will soon be offered for sale in the European market, but it is not alone. The A72 will be offered along with it. Will be offered for sale in Yuan or 210 Euros.
The hardware of the Oppo A72 and A52 is very similar. Both have 6.5 inches screen with 1080p + resolution.

Both have Snapdragon 665 chipset with 4GB RAM. Both have quad camera setup on the back, fingerprint reader on the side and 3.5mm audio jack on the bottom.

Both have a 5000 mAh battery that supports 18W charging.
The camera setup of the Oppo A72 is a bit better. It has a 48-megapixel main camera and a 16-megapixel selfie camera, while the A52 has a 12-megapixel main camera and an 8-megapixel selfie camera.

The other three cameras on the back are the same in both the smartphones namely 8 megapixel Ultra Wide, 2 megapixel macro and 2 megapixel depth sensor. The A72 has 128 GB of built-in storage while the A52 has 64 GB. Storage can be expanded with a microSD card in both. Both will have Android 10 based Color OS 7.1 installed.