For sure most people would say monero here.
I have invested in both and was very glad that I bought ETH when it was at80$. I sold them at 220$ because for me it was a little bit to overhyped. Than I stocked up my btc and xmr.
ETH had its race, but for me it is totally quite a good invest since the price dump. I am not sure where it will go the next days/weeks, the pump was too heavy. Maybe to 300 again, maybe 150, who knows. On long term definitely upwards I guess...
On the other hand, the chances for XMR are much higher with the upcoming things like ledger wallet etc. to make a jump in near future.
And there are also many chances when they start making more marketing.
Many people havent seen how great this coin is. I asked so many people to have a look at it and nearly everybody invested a little bit in it after they actualy red something about it.
I would not say one coin of it is better, they are totaly different.
But for me XMR is the coin I have chosen at the end, because I love it and want to support it. It is money2.0 for me; totally secure, anonymous and has a great developer team. If there would be the possibility, I would use monero for each of my daily transactions.