How much will my components bottleneck or slow down my GPU if any

Guest · Dec 28, 2013

Hello, My build is a
-Sapphire Radeon HD 7870 GHz Edtion
-AMD Athlon II X4 645 3.1 GHz (Overclocked to 3.6)
-8GBs DDR3 1333 Ram
-Gigabyte AMD 760G + SB710 Chipset DDR3 1333 AM3+ Micro ATX Motherboard (GA-78LMT-S2P)

P.S.= Right now I have 4GBs DDR3 Ram that's 667 I think. How much of an increase in overall do you think I would get switching to 8GBs of Ram 1333

HEXiT · Dec 28, 2013

your ram is 1333 if its ddr3. just cpu-z only shows the base speeds in the jdecs, what ever you see in there for ram speed you double it.
if it is only 667 (jdec 333) then your ram is ddr2 not ddr3
8 gigs of ram wouldnt give you much in the way of a performance bump over the 4 you have(if its ddr3). the odd game may benefit for load times but other than that there wont be much difference.

Guest · Dec 28, 2013

HEXiT :

Yes my Ram is DDR3 so it is 1333MHz sorry bout that. So do you think my GPU is being bottlenecked at all or a lot Im just making sure I get the most out of it

Shwerfy · Dec 28, 2013

HEXiT :

Yes my Ram is DDR3 so it is 1333MHz sorry bout that. So do you think my GPU is being bottlenecked at all or a lot Im just making sure I get the most out of it

I doubt your CPU is bottlenecking a 7870,
If it is, it would be a really small bottleneck.

HEXiT · Dec 28, 2013

if you think your gpu is being bottlenecked. benchmark your current system with a few games. play a level, get the min max and avg fps (fraps will do this with its logging)
remove the oc from the cpu and see if the fps drops and starts bouncing from low to high consistently or you get a good size drop in fps (depending on the game) then your cpu is likely bottlenecking. but that cpu its unlikely.
if you do find its bottlenecking add another 100mhz (if you can) to the cpu oc and benchmark again if you get no fps boost over the standard overclock your running you have passed the bottleneck so can go back to the original oc. if you only get a few fps gain with your standard oc anyway then you may as well run the cpu at stock.

anyways hope that helps.

Guest · Dec 28, 2013

HEXiT :

if you think your gpu is being bottlenecked. benchmark your current system with a few games. play a level, get the min max and avg fps (fraps will do this with its logging)
remove the oc from the cpu and see if the fps drops and starts bouncing from low to high consistently or you get a good size drop in fps (depending on the game) then your cpu is likely bottlenecking. but that cpu its unlikely.
if you do find its bottlenecking add another 100mhz (if you can) to the cpu oc and benchmark again if you get no fps boost over the standard overclock your running you have passed the bottleneck so can go back to the original oc. if you only get a few fps gain with your standard oc anyway then you may as well run the cpu at stock.

anyways hope that helps.

Thanks a lot!

Guest · Dec 28, 2013

HEXiT :

My framerate dropped 5 fps when going back to 3.1 Ghz on Far Cry 3 I think im being bottlenecked on that game because I feel like I should get a better framerate with this graphics card. My screen is only 1600x900. and on ultra I get around 70-30 average 40-50 but when I look at things sometimes I get 30fps. I think im being bottlenecked by my CPU on this game

HEXiT · Dec 29, 2013

well in that case go back to the original oc. 5 fps is pretty mild drop so at stock its bottlenecking a little bit but not a whole lot which means with a small oc you should be able to get past it.
70-30 is about rite for that card on that game because of the post processing effects they used to blur out the straight lines and periferal edges of the screen. turn that down to medium or off and your fps should run 20+ higher on average
and if your averaging 50-60 fps you can go ahead and turn motion blur off as well as this should only be used when you have low fps to make the transition between slower frames appear smoother. again turning it down or off gives more fps.

Guest · Dec 30, 2013

HEXiT :

well in that case go back to the original oc. 5 fps is pretty mild drop so at stock its bottlenecking a little bit but not a whole lot which means with a small oc you should be able to get past it.
70-30 is about rite for that card on that game because of the post processing effects they used to blur out the straight lines and periferal edges of the screen. turn that down to medium or off and your fps should run 20+ higher on average
and if your averaging 50-60 fps you can go ahead and turn motion blur off as well as this should only be used when you have low fps to make the transition between slower frames appear smoother. again turning it down or off gives more fps.

Okay awesome thanks!

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