Which graphic card is the best for now?

Currently the best one is probably nvidia 3090, but its price is very high. In general, the prices of graphics cards have gone up a lot, because of the current hype

The best cards are those that are simply efficient and at the same time their power consumption is not big. So that mining is profitable. When buying a new graphics card  we have to take into account not only the efficiency of the equipment but also its profitability. The costs that need to be taken into account are the cost of the card and electricity. Profit, of course, is how much we will earn after deducting all costs. Sometimes the most expensive graphics card can be less profitable than a cheaper one that has been on the market for some time...

The cryptocurrency market is incredibly dynamic and that is why you need to constantly expand your knowledge about it. We need to analyze the rates that change from day to day. The prices of hardware are changing rapidly more than once. There are newer and newer graphic cards , with which currency mining is even easier. However, new, faster equipment and a larger number of people mining a given currency makes it more difficult to mine. That's why you need to constantly monitor the profitability of your investments.

Remember that when choosing a card for digging, you need to pay attention to the following criteria:

Power consumption - given in Watts - the amount of output current the card consumes during operation.

Performance (hash rate) - given in Mh/s - the computing power that the card achieves under ideal conditions. Sometimes this value will be given in ranges, the ranges will depend on overclocking the card, flashing the bios and changes in power supply.

As an additional factor of choice in all I would recommend creating by dividing the hash rate by the power consumption. Newer cards are usually more efficient than older models. This is the most important factor since electricity costs are a fixed cost for any miner and it is an extremely important element when evaluating the profitability of an investment. The more efficient the card the faster you will cover your investment.