Confused about clock speed

[warrick 13]

Hi everyone just a question about my graphics card its an 4670 (HIS) agp
the manufacters specs say core clock 750 correct, but memory clock 1746
now in the catalyst control centre specs it says 873, visited some reveiws its has it rated at 873 and in brackets (1746 DDR3) now im confused are these two seperate readings and what should it be reading, and is this affecting performance of my card or is this just normal, specs are 4670 agp
! gig ddr3 pent 4 3.2 ghz 2gigs ram 550 watt psu thanks .

 

[hallowed_dragon]

Hi everyone just a question about my graphics card its an 4670 (HIS) agp
the manufacters specs say core clock 750 correct, but memory clock 1746
now in the catalyst control centre specs it says 873, visited some reveiws its has it rated at 873 and in brackets (1746 DDR3) now im confused are these two seperate readings and what should it be reading, and is this affecting performance of my card or is this just normal, specs are 4670 agp
! gig ddr3 pent 4 3.2 ghz 2gigs ram 550 watt psu thanks .

You have a GDDR3 (Double-Data Rate) card. That means the memory sends 2 chunks or packets of data per clock cycle, meaning that the GDDR3 clock speed (i.e. your 873 Mhz) is 1746 Mhz DDR Effective. This is normal and you should not worry about it.

 

[warrick 13]

Thanks double dragon yeah just watched a review on u tube that kinda said the same thing. Thanks just upgraded from a 7600 gs and wanted to ensure it was working ok. thanks again