Using a stock, unmodified BIOS without overclocking, you should expect a minimum of 20MH/s mining Ethereum.
It's a good card if you have it, but it's not a good choice if you want to purchase it (even second-hand).
Use this to calculate profitability:
https://www.coinwarz.com/calculators/ethereum-mining-calculatorYou should also factor in the efficiency of your power supply.