The world needs a lot of blockchains, each of them optimized for a specific application protocol. While the CyberMiles is going to build a commercial chain and many blockchains could run on it.
No comparing, No choice. Now is test net of CMT is ongoing, everyone could go to the official site to experience the net. U could find the gas and speed win the contracts based on the ETH. The CyberMiles blockchain platform will be fully compatible with Ethereum and the General Network. ( Now it is 100 times faster than Ethereum.
There are several "under the radar" projects that will attempt to compete with Ethereum platform. One is XTRABYTES that offers a 3rd generation blockchain and originally invented by hungarian developer and is now currently waiting for patent pending status before they release their source code for public viewing. Their tech also promises to hit ATLEAST 10k tps, but of course they are also aware that there are already consensus algorithms and blockchains that can achieve hundreds of thousands to millions of tps but speed is not the only thing that they will offer on the table. They are also promising an interchangeable security algorithm wherein they can change/upgrade their security algo anytime without forking. They will also attempt to compete against Ethereum as a Dapps platform that offers code agnostic capabilities for programmers.