Hi Tech Legion posted a review on the Diamond Radeon HD 4670 1GB GDDR 3 video card
A quote from the article:
>> Diamond Radeon HD 4670 1GB GDDR 3 Review
The Diamond Radeon HD 4670 1GB GDDR 3 is chock full of memory. The HD 4670 by Diamond has 1 gigabyte of memory and utilizes graphics double data rate 3, or GDDR 3, technology. The Diamond HD 4670 1 GB comes with two DVI outputs and an S-Video output and dongles to adapt to composite and VGA outputs. The Radeon HD 4670 1 GB is meant to compete in the Radeon 4600 family and with other entry level graphics cards and has no problem doing that.
>> Diamond Radeon HD 4670 1GB GDDR 3 Review