3D Mark 11 - Problem with Physics Benchmarks

Bungee18

Love Removal Machine
Power User
Local time
9:20 PM
Messages
500
Location
Buenos Aires, Argentina
Hello guys.
I just finished upgrading to new mobo (MSI 990FXA GD80 V2), CPU (FX 8320 4.5MHz) and crossfire 7850 cards. Upgraded from Asus M5a97 Evo, Fx8120 and single 7850
When running 3D Mark 11 I get very good FPS in all tests but I crawl at 3-5 fps in the two last ones which include Physics.
I used to get 20-25 fps with a single 7850, FX 8120 (4.3 OC) and old mobo.
What can I do to fix this? Can it be related to PCI-E voltages or frequencies set in BIOS? DirectX installation issues?
Your advice would be very much appreciated.
Cheers,
J
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom built
OS
Windows 7 Ultimate x64 SP1
CPU
AMD FX 8320 4.8GHz, 1.475V
Motherboard
ASUS Crosshair V Formula-Z
Memory
4 x GSkill Ripjaws Z 4GB 1600 CL8
Graphics Card(s)
2 x ASUS HD7870 2GB DirectCu II
Sound Card
M-Audio Firewire 410
Monitor(s) Displays
2 x Samsung Syncmaster SA300
Screen Resolution
1600x900
Hard Drives
1 x Seagate Barracuda 2TB, 7200 rpm, 64 mb cache - Kingston HyperX 3K 120GB (OS) - Corsair FORCE Series 180GB (Games & Apps)
PSU
Corsair TX850M
Case
NZXT Switch 810
Cooling
Custom Water. XSPC Raystorm, Laing DDC 3.2T PWM, 360+120 rad
Keyboard
Corsair Vengeance 650
Mouse
Elephant Leviathan 3200 DPI
Internet Speed
Too slow
What happens if you disable Crossfire?

And have you installed necessary mobo drivers?
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Built
OS
Windows 8.1 Pro x64
CPU
Intel Core i7 4790k
Motherboard
MSI Z97S Krait Edition
Memory
8GB Corsair Dominator 1600MHz
Graphics Card(s)
MSI TwinFrozr GeForce GTX770
Sound Card
ASUS Xonar DX/XD 7.1
Monitor(s) Displays
Dell 24" S2409W + Dell 20" E207WFP
Screen Resolution
1920x1080 + 1680x1050
Hard Drives
1x 120GB OCZ Agility 3, 1x 750GB Western Digital Caviar Black, 1x 1TB Western Digital Caviar Blue
PSU
Corsair HX850 modular
Case
Fractal Design Define R4
Cooling
Corsair H60 w/ twin Corsair SP120 fans
Keyboard
Logitech G510S Keyboard
Mouse
Logitech G500S Laser Mouse
Internet Speed
40Mbps
Antivirus
Microsoft Security Essentials
Browser
Google Chrome
Other Info
LG Blu-Ray player
Tried disabling CFX. No luck.
All mobo drivers are installed.
Thanks for your help,
J
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom built
OS
Windows 7 Ultimate x64 SP1
CPU
AMD FX 8320 4.8GHz, 1.475V
Motherboard
ASUS Crosshair V Formula-Z
Memory
4 x GSkill Ripjaws Z 4GB 1600 CL8
Graphics Card(s)
2 x ASUS HD7870 2GB DirectCu II
Sound Card
M-Audio Firewire 410
Monitor(s) Displays
2 x Samsung Syncmaster SA300
Screen Resolution
1600x900
Hard Drives
1 x Seagate Barracuda 2TB, 7200 rpm, 64 mb cache - Kingston HyperX 3K 120GB (OS) - Corsair FORCE Series 180GB (Games & Apps)
PSU
Corsair TX850M
Case
NZXT Switch 810
Cooling
Custom Water. XSPC Raystorm, Laing DDC 3.2T PWM, 360+120 rad
Keyboard
Corsair Vengeance 650
Mouse
Elephant Leviathan 3200 DPI
Internet Speed
Too slow
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