If you are looking at hosting costs for cloud computing it quickly gets really complicated to make comparisons. Great article on thenextweb.com compares Google's compute engine eith Microsoft Azure. If you need the details - read the article. Takeaway for linux hosting compute cycles are similarly priced - Google is slightly cheaper and offers a lot more RAM than Microsoft machines. So if you are doing Memory intensive compute and need cloud - Google Compute Engine is the way to go for now. Click on the title for more info.