PCIe 2.0 lowprofile card backwards compatable?

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seteven

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Jul 12, 2017
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hey folks

i am new to graphics cards

i have an old computer with only PCIe x16 and PCIe 1.0

i understand i have an old computer and should get a new one but im poor but can afford a low profile graphics card, and if my computer does die, i can use the card in another computer anyway

would i get the best performance from a PCI e 2.0 card even if it grades down to the PCIe 1.0 speed? or should i buy a PCIe 1.0 card and get the same performance?

thanks folks! any thoughts would be great

 
Solution
FauxisFox
It will work. PCI-E's are all backwards compatible because their shape and protocol are the same. In all honesty, GPU's aren't really bottlenecked by the PCI-E bus anyway, especially a 2.0 card. There are many other factors such as GPU onboard memory speed, bandwidth, and the GPU's actual performance that will limit the performance before the PCI-E bandwidth will.

(Also, please note that this question already existed on this forum: http://www.tomshardware.com/forum/296057-33-will-pcie-card-work-pcie-slot
For the future, try searching before asking to reduce repeated clone posts.)
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FauxisFox

FauxisFox

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Jul 12, 2017
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It will work. PCI-E's are all backwards compatible because their shape and protocol are the same. In all honesty, GPU's aren't really bottlenecked by the PCI-E bus anyway, especially a 2.0 card. There are many other factors such as GPU onboard memory speed, bandwidth, and the GPU's actual performance that will limit the performance before the PCI-E bandwidth will.

(Also, please note that this question already existed on this forum: http://www.tomshardware.com/forum/296057-33-will-pcie-card-work-pcie-slot
For the future, try searching before asking to reduce repeated clone posts.)
 
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