After much digging I found a review comparing the GDDR4 and GDDR3 versions of the Radeon HD 3870: https://techreport.com/review/14654/diamond-radeon-hd-3870-1gb-video-card Unfortunately the VRAM size between both cards are not the same (1GB GDDR3 vs 512 MB GDDR4), so it's not perfect. It seems that …

I noticed that a lot of the GPUs from the AMD HD 2000 to HD 4000 series feature both GDDR4 and GDDR3 variants. I've heard multiple times that performance is pretty much the same (though have never seen a benchmark). That being said, what was the point of having a GDDR4 variant? Was it just for …

I used to have a dead HIS IceQ Radeon HD 4670 AGP card in collection. I always thought it was neat that the HDMI output on the card could transmit audio, since sending audio data over the AGP bus sounds like black magic. I noticed there was a jumper on the card that could disable HDMI audio output. …