AMD Radeon HD 7730 Review: A Harbinger Of The Kaveri APU?

We got our hands on two Radeon HD 7730 cards from Sapphire: one with 2 GB of DDR3 and the other sporting 1 GB of GDDR5. How do they compare to AMD's Radeon HD 6670s, and what might we glean from these boards about the upcoming Kaveri-based APUs?

http://www.tomshardware.com/reviews/radeon-hd-7730-cape-verde-review,3575.html#xtor=RSS-182