Mining BTC is a process of using computational power to verify transactions on the Bitcoin network and earn rewards. The graphics card that is best for mining BTC depends on several factors, such as hash rate, power consumption, price and availability.

According to some benchmarks, the RX 7900 XTX has a higher hash rate than the 6900 XT (about 30% more). However, it also consumes more power (about 50% more) and costs more (about 40% more). The XTX variant of the 6900 XT has a slightly higher hash rate than the standard one, but also consumes more power.

Therefore, you need to consider your budget, electricity cost and mining profitability before choosing a graphics card for mining BTC. Do you have any specific questions about these factors?
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