The Antminer E9 3.68Gh of Bitmainwhich specialises in mining Ethereum Classic, has a higher performance than any other GPU.  This ASIC dedicated to the mining of Ethashhas a mining power of 3680MHs and a power consumption of 2200w/h.

What is Bitmain?

Bitmain is a company based in Beijing, China. It is considered one of the most important companies in the cryptocurrency industry for producing high-quality mining hardware with enormous mining capabilities and for its technological advances. It is the world's largest designer of equipment ASIC for mining Bitcoin.

Bitmain is mostly known for its Bitcoin hardware, although it is interested in projects that bring solidity to its business, such as Ethereum/Ethereum Classic.

Ethereum classic vs Ethereum:

This cryptocurrency was launched in July 2016, and its main function is to serve as a network for
smart contracts, with the ability to store and support Dapps.
Since the launch of this crypto, it has tried to differentiate itself from its big brother, since
that it set out to preserve the integrity of the existing ETH blockchain.

Click here here to know the difference between an ASIC and a RIG.

Benefits