Eth is probably better,  don't forget that XMR has huge fees! Have a look at the side by side comparison for your setup

http://www.MyCryptoBuddy.com/path?hardware=custom&selectedCoins=ETH,XMR&Ethash=135&Equihash=1100&Cryptonote=3450&powerEthash=750&powerEquihash=750&powerCryptonote=750