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560 posts

Ultimate Geek


# 223475 1-Oct-2017 16:07
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Background : I have a desktop that I built quite a few years ago (2009 perhaps?) and it's getting along ok but a few games I've tried to play lately I haven't got the grunt for - tolerable, I'll just play something else - however the final straw was Windows 10 deciding that my graphics card was too old so would no longer allow me to have dual screens.

Currently, the MB is a Gigabyte GA-MA790FXT-UD5P with an AMD Phenom II processor, and the graphics are a Radeon HD4870.

There aren't the funds to be thrown at a complete rebuild right now (nor the appetite from the accountant indoors) so I was going to do it incrementally - realising that I'll need to do new MB/CPU/mem all at the same time, or at least buy them all before I can us any of them.

I was thinking though, as an interum measure, of buying a new graphics card and fitting that to the old machine until I do the rest of the upgrade. I'm looking at an Nvidia 1070 series card currently (enough performance but not too much cost that I'll lose my spot in the house)

Question is, will it work? Will a 1070 series card work ok (I expect at a reduced capacity possibly) in such an old motherboard?

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  # 1875546 1-Oct-2017 16:34
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That's a PCIe 3.0 card, which should work fine in your PCIe 2.0 slot.


"On many PCs, there will be a few expansion slots on the motherboard. Typically they will all be PCI Express, but for a graphics card you need a PCI Express x16 slot. There are three versions of this slot, but they’re backwards compatible, so a modern PCI Express 3.0 graphics card will work in a motherboard with a PCI Express x16 2.0 slot"



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  # 1875553 1-Oct-2017 17:05
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I have put 1050's into terrible old machines just to get working graphics on them, and they are working fine in antique core 2 quad junk so I think you would be fine with one.



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Master Geek

  # 1875755 1-Oct-2017 22:07
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If you have the money for a 1070 then a 1050TI and Ryzen 5 or R3 +MB+RAM would be similar money and much much better overall .. my 2c

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  # 1875926 2-Oct-2017 09:45
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As you suspect, you won't get the full benefit of the 1070 on your existing rig, but it will blow that 4870 out of the water and if you plan to upgrade GPU now and then mobo/cpu/ram in a few months when you can afford it, then it's a perfectly fine way to do it.

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  # 1876301 2-Oct-2017 18:55
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I have put 1050's into terrible old machines just to get working graphics on them, and they are working fine in antique core 2 quad junk so I think you would be fine with one.



Hey ! I was using one of those until a few months ago !


But then I also still use my Pentium4 from to time.

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