Let's take a look on the performance of this mainstream Radeon HD 5670 with 512 MB GDDR5 from HIS.

Here is a snippet: "Radeon HD 5670 is one of the latest mainstream video processors from AMD and today we are going to review the IceQ version from HIS (a.k.a. H567Q512), which features a nice cooling system, 512 MB GDDR5 and runs at stock clock settings.



Link: HardwareSecrets