My Glorto GT 610 is showing PCIe 2.0 x8 instead of x16 on my motherboard. Does this indicate a problem with the motherboard or the graphics card? Would it be worth troubleshooting, especially since the GT 730 also uses an x8 connection and is reportedly around twice as fast?
4 Answers
Check the exact specifications for your particular GT 610 model. A connector that physically fits an x16 slot does not guarantee that all sixteen lanes are electrically connected. If the card is stable and performing normally, x8 is not something that needs fixing.
Some versions of the GT 610 may be physically x16 but electrically wired for fewer lanes. There were even PCI versions of the card, and performance losses from using a very limited connection are small. I would not spend time or money repairing this unless you are seeing other problems.
The GT 730 is faster mainly because it is based on a newer generation and may have more memory, not simply because of its PCIe lane configuration. Neither card is likely to make meaningful use of the full bandwidth provided by PCIe 2.0 x16.
For a GT 610, the difference between PCIe 2.0 x8 and x16 is essentially irrelevant. The card is too slow to saturate even an x8 connection, so you probably would not notice any real-world performance loss.
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