can i know what is the maximum GC for pciex4, x8 and x16 before bottleneck occurs. i mean do even nvidia210 use all 16x lane? becoz i have cut my 8400gs card to pcie 1x ( to install on x1 slot ) and i notice no drops ( the GC to slow ) i have x4 slot and i want to install a GC on that slot.. just wanted to know what is the max GC for x4.
so you want to know what card you can put in a x4 slot before you get a performance drop off.
ANY card that does not use a 6 pin power supply (no i am NOT confusing the 75 watts power supplied with data transfer!!)
is that so? which means i can install a 7750 into pcie2 x4 and it will not get any bottleneck? guess i have to try it myself.. if only Tom's have the hierarchy of graphic cards for each GPU available...
i know about the chart but what i am asking is a chart for each pcie configuration.. let just say that at pciex1.. the most powerful gpu that can go with the slot without having bandwidth bottleneck is nvidia 210 and at pciex4 is 6670 and at x8 is 7850 and at x16 is 7970... just for example...
i do not believe a "chart" of what graphics card would be bottlenecked by what PCIx(X) slot is around. i have pondered the same question myself when i look at the x4 slot on my motherboard.
pci-e 2.0 has a data transfer of 500MBs per lane. (as per the wiki link i posted before to help) so a x4 slot is 2000MBs (1.953125GBs) of data transfer. so how to figure out how much data a card transfer is where i have hit a road block.
there has been debates if a x8 slot bottlenecks a high end card. the common consensus is if it does, it is not by much.
IF that is true, again IF THAT IS TRUE; then what card or how do you figure out what card has half the amount of data transfer before saturating a x4 slot?
yup.. that is why im asking if the chart available or not.. becoz as a normal human being, i have no resources to test every single GPU out there... as i have also pcie2 4x and it says it support crossfire.. so i just pondering what is the max card can i install on both pcie ( 16x and 4x) without the 4x bottlenecking the 16x... i regret a little of not doing a a research before buying the board.. jst thought that by mentioning it support crossfire, i thought it is on 8x and 8x for each pcie.
emm.. so that is a wild guess right.. becoz for someone who bought an oem computer maybe dont have a pcie16x slot onboard... it is shame that the oem computer have really powerful cpu.. my university will recylce those computer and sells it very cheap to student.. an HP machine with pcie4x coupled with core2duo e6600 with mATX form factor... i just love to buy one of those machine and couple with a mid-range GPU to be my HTPC/ light gaming build... that is one of the reason i ask the community... never mind that i will artificially capped my frens GPU ( tapped the pcie lane ) to simulate 4x,8x and 16x.. however i have really old GPU.. mine is 4870 and my fren is 4850.. so i can really test how the new gen works..