Will an HD7850 work on this MOBO?

d2cjdude · Feb 9, 2014

Kinda worried about the MOBO being PCIE 2.0 while the HD7850 is 3.0.

http://www.msi.com/product/mb/H61M-P23--B3-.html#/?div=Basic

junred56 · Feb 9, 2014

Don't worry. It will be compatible. However, there is going to be a slight performance difference between PCIE 3.0 and PCIE 2.0. Not to worry though as it is a quiet a very minimal difference.

d2cjdude · Feb 9, 2014

junred56 :

Difference? Like what for example in terms of FPS? Say I should get 50 FPS in a game, what's gonna be the performance hit on with MOBO?

junred56 · Feb 9, 2014

d2cjdude :

A couple of frames at most. Say you should be getting 50fps on 3.0, you would get 47 to 48 fps on 2.0.

Roxas_Boy · Feb 9, 2014

Hell yes!!! The difference in performance is minute, like 0.02%.

d2cjdude · Feb 9, 2014

junred56 :

d2cjdude :

A couple of frames at most. Say you should be getting 50fps on 3.0, you would get 47 to 48 fps on 2.0.

ALso, if it helps, my CPU is an i5-2400 Quad #3.2Ghz.

Roxas_Boy · Feb 9, 2014

d2cjdude :

junred56 :

ALso, if it helps, my CPU is an i5-2400 Quad #3.2Ghz.

The performance difference isn't even 1 fps so don't worry

anthonyorr · Feb 9, 2014

You won't see any difference, no gaming GPU currently saturates PCIE 2.0.

d2cjdude · Feb 9, 2014

Roxas_Boy :

d2cjdude :

The performance difference isn't even 1 fps so don't worry

Ah thanks! I see. turns out from reading other forums that the PCIE 3.0 slot on the MOBO is only good if you're using SLI/XFire. But if you're using a single GPU only, not much of a hit in performance. Once again, thanks!

Tom Tancredi · Feb 9, 2014

Download and run SPECCY and tell us all your specs. What PSU do you have also and how many Watts?
That said, according to current info (http://en.wikipedia.org/wiki/PCI_Express#History_and_revisions) actually be 3.1 revision not 3.0, but that is supposed to be backwards compatible with 2.0. The impact is you would be performing HALF of the capability of the card (" PCIe 3.0's 8 GT/s bit rate effectively delivers 985 MB/s per lane, practically doubling the lane bandwidth relative to PCIe 2.0.") and would be a serious choke point.
Further as we don't know your system you could be running a i3 and using a 5400RPM HDD, all which would MORE impact the performance.
So the supposed '50fps' could actually be 12-15FPS when all said and done, depending on the game, settings, etc.

If you want a gaming PC you need to spend around $700 minimum for a decent i5 PC, add on PSU, GPU and of course Windows (since you probably have like a Dell/Gateway/etc. and the Windows is NOT transferable to a new machine, it ONLY works with that Make / Model PC).

d2cjdude · Feb 9, 2014

Tom Tancredi :

Download and run SPECCY and tell us all your specs. What PSU do you have also and how many Watts?
That said, according to current info (http://en.wikipedia.org/wiki/PCI_Express#History_and_revisions) actually be 3.1 revision not 3.0, but that is supposed to be backwards compatible with 2.0. The impact is you would be performing HALF of the capability of the card (" PCIe 3.0's 8 GT/s bit rate effectively delivers 985 MB/s per lane, practically doubling the lane bandwidth relative to PCIe 2.0.") and would be a serious choke point.
Further as we don't know your system you could be running a i3 and using a 5400RPM HDD, all which would MORE impact the performance.
So the supposed '50fps' could actually be 12-15FPS when all said and done, depending on the game, settings, etc.

If you want a gaming PC you need to spend around $700 minimum for a decent i5 PC, add on PSU, GPU and of course Windows (since you probably have like a Dell/Gateway/etc. and the Windows is NOT transferable to a new machine, it ONLY works with that Make / Model PC).

GPU: Powercolor HD7850 1GB DDR5
CPU: i5-2400 @3.2Ghz
PSU: Thermaltake Blaack Edition Litepower 600W
RAM: 4GB

Roxas_Boy · Feb 9, 2014

d2cjdude :

Tom Tancredi :

GPU: Powercolor HD7850 1GB DDR5
CPU: i5-2400 @3.2Ghz
PSU: Thermaltake Blaack Edition Litepower 600W
RAM: 4GB

That's not bad should be getting 60fps in games at medium-high at 1080p

d2cjdude · Feb 9, 2014

Roxas_Boy :

d2cjdude :

That's not bad should be getting 60fps in games at medium-high at 1080p

I'm just looking to play at 1366x768. Just making sure since this my first Hardware Update. My current GPU is a GT220. *HidesAwayInShame*

Tom Tancredi · Feb 9, 2014

yeah your just gonna hit end of life with the PC itself, because your running older chipset, for example the 2xxx uses SATA II connections NOT SATA III, so if you got a faster better HD, like the PCI slot, it wouldn't be running 'Full Speed' but 'Half Performance' because the actual connection isn't built for any more data. Realistically, as I noted, your best solution would be to save and replace the system if your looking for longer term investment, because everything built into this system presently is HALF the performance of the CURRENT hardware out there, or another way, any system (even cheap one) is running 2x faster then yours.

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