Does NVIDIA manufacture good graphic cards?

I'd say pick up a regular RTX 2070 that's on sale.

Nvidia doesn't manufacturer cards, they design the GPU that powers the Graphics card. They subcontract out production of their GPU chip to mainly TSMC, but Samsung has also been known to fab some of Nvidia's chips.

The "Founder's Edition" or Reference card is designed by Nvidia but that's also manufactured by a subcontractor. The Founder's Edition card vastly pales in comparison to other cards like the Asus Strix, MSI Gaming, EVGA FTW, Zotac AMP!, etc. Companies like EVGA and Gigabyte will take the Reference design board and then slap their own cooler on it.

Most Nvidia cards are made by a 3rd Party like EVGA, Asus, Gigabyte, MSI, Zotac, Palit, iColorful, PNY, and a few others. These 3rd party companies by the GPU from Nvidia and then put the GPU on a card. EVGA is regarded as one of the best companies mainly because their warranty policy is the best, which gives the EVGA cards a higher resale value on the 2nd hand market. When I buy a Nvidia Graphics card I either go with MSI or EVGA, but I'll go with Sapphire or XFX on the AMD side of things.

If I had to choose a card in that link, I would go with the EVGA SC. If the card dies within the warranty period I know I won't get dicked around. I've had to file an RMA with EVGA in the past and I got a replacement card within a week and a half.

I'm reluctant to go with Asus or Gigabyte because those companies have a terrible repair and RMA policy. Other than that the Asus Strix edition card is very good. Last year I had to send Asus 2x motherboards that needed repairs and that was a terrible experience.

You've got Nvidia or AMD. It seems generally the Nvidia are a little more power efficient, and a little faster, but more expensive.

A good benchmark page like Passmark or User Benchmark will list the cards by performance, then you can easily tell how fast they are.

The only GPU, I buy.