7870 GHz Edition crossfire decreaes fps in call of duty ghosts?

Essej Sniggoc · Dec 14, 2013

I went from one GHz Edition 7870 to two. When I just had one, I got like 40-45 fps in COD Ghosts. Now that I have two 7870s, I only get 20-23 fps. Is there any fix for this?

goodguy713 · Dec 14, 2013

try running your system with one card each .. make sure they both work.. correctly that shouldnt happen how ever what kind of motherboard do you have?

goodguy713 · Dec 14, 2013

also if you havent done so you need to uninstall and reinstall the drivers for your graphics cards. best way to do that is to go the control panel / programs and features/ select amd catalyst / right click / change and then it should bring up the uninstaller its best to do it this way down load the latest drivers and go from there.

test both cards individually check your crossfire bridge make sure the power cables are connected correctly.

Essej Sniggoc · Dec 18, 2013

I tried both cards and they both worked; however, I think I found the problem. Here are my system specs.

Mobo: ASRock Fatal1ty Z77 Professional-M (MicroATX)
CPU: Intel i5-3570K OC to 4.0 GHz
CPU Cooler: Corsair H60
Case Fans: two 140mm (LED), one 140mm, one 120mm (LED), one 120mm
RAM: Corsair Vengeance 8GB 1866 (4 x 2GB)
GPUs: two PowerColor Radeon HD 2GB 7870s GHz Edition in crossfire
SSDs: two 60GB Corsair Force Series 3
HDD: 500GB Seagate Backup Plus
Optical Drives: a DVD/CD RW and a Rosewill USB 2.0 All in One Internal Card Reader (3 USB ports and eSATA)
Other: one 12" Red LED Strip
Power Supply: Thermaltake TR2-600W

I think that I don't have enough power to run both cards at the their stock speeds.

huilun02 · Dec 18, 2013

Nothing wrong with having 600W. Each card only takes up to 175W, leaving 250W for the rest of the system which should be fine.

CoD Ghosts just runs piss poor on the PC.
http://www.guru3d.com/articles_pages/call_od_duty_vga_graphics_performance_benchmark,6.html

jvhbca · Dec 28, 2013

Crossfire and Ghosts is a known issue.. alot of people are not happy about the lack of crossfire support for this game.. but AMD did release new drivers.. 13.12.. Im still waiting to hear back on if they help with Ghosts, as i have another GPU on the way

I pretty much play more BF4 than Ghosts now... Ghosts is kinda a let down.

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7870 GHz Edition crossfire decreaes fps in call of duty ghosts?

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