Mainframe Comparison Tool

Here's a nice little page comparing the z14 with its predecessors. It's pretty straightforward, but it immediately gives you and idea of what to expect compared to your current machine.

Click on image for larger version

So let's say you have a z13 N30 and you're considering upgrading to a z14 M01 or perhaps even an M02. Well, just select the systems you want to compare and you immediately have to most important items : model id, memory, new functionalities like e.g. Java Garbage collection, security and crypto cards, connectivity, networking, coupling links etc. Strangely enough OSA cards are missing.

By the way, you can also select the Business Class but I must warn you : no z14s there . . . yet !