The Crypto Mining Blog site has acquired an RX 6700 XT to test the performance that these can deliver in mining.
AMD RX 6700 XT is slower mining than RX 5700 XT
The launch of this graphics card is imminent, so this is going to be the performance with which we are going to find in the tasks of mining cryptocurrencies.
Apparently, the RDNA 2 graphics card architecture is more focused for games and not so much for mining tasks, especially considering Ethereum, which is one of the most profitable coins to mine at this time.
Crypto Mining Blog performance tests are revealing that the RX 6700 XT is inferior to the RX 5700 XT in mining tasks. AMD's new graphics card offers a hash rate of around 43.5 MH / s , which is much lower than the 54.75 MH / s that the RX 5700 XT can deliver.
The task of mining Ethereum is requiring a large memory bandwidth, the bandwidth being more important than the improvement in the computing power of the GPU. This is the reason why many miners increase the speed of the VRAM memories, instead of increasing the clock speeds of the GPU. In this case, the RX 6700 XT has 192-bit memory bandwidth, which could be affecting overall mining performance.
Other graphics cards like the RTX 3080 with a bandwidth of 320 bits are usually in high demand. The RTX 3060 Ti and RTX 3070 also tend to be because of their 256-bit bandwidth, even with less memory than the RX 6700 XT (8 GB vs 12 GB).
For video games, AMD decides not to focus on increasing bandwidth in the traditional way, but instead makes use of Ininfity Cache technology. This technology seems to work well for video games, but not so much for mining. We will keep you informed.
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