Overclock.net › Forums › Graphics Cards › AMD/ATI › Terrible performance with C2D/P5K in Crossfire
New Posts  All Forums:Forum Nav:

Terrible performance with C2D/P5K in Crossfire - Page 7

post #61 of 92
Thread Starter 
I haven't really OCed in depth yet. I tried the settings that the other guy posted, but I wasn't able to post at 375. Furthermore, I haven't had as much time lately. I'm leaving town on business this weekend so I won't be able to do much then either.
I have my memory under active cooling (OCZ XTC) so I bet I can get it higher.
I'll try the NB straps. I was wondering; do you think that running a higher FSB could possible help communication speed between the NB, SB, and the PCI-E slots, possibly yielding better Crossfire performance? I know the DMI is punish ed in this config, but the P965 saw some performance after some uber driver modding XD
Fingers crossed here folks!

I am currently running the latest beta (LOL @ that) BIOS 0501

BTW how are you temps when you run Orthos? I am really pleased at mine. I am running the same VCOre as my AMD 3800+ X2 (higher freq. too) and I get WAY cooler temps. It's quite amazing. I was running 2.7 GHz on the AMD and I got 63C on the higher core in Orthos.
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
post #62 of 92
Thread Starter 
Quote:
Apart from the memory controller and front-side bus, the P35 Express looks a lot like the P965. You still get 16 lanes of PCI Express at the north bridge, but those lanes can't be split up between a pair of graphics cards for CrossFire. Instead, the P35 supports multi-GPU configurations much like its predecessor did: primary graphics cards get 16 lanes of PCIe bandwidth from the north bridge, while secondary cards hang off a four-lane connection from the south bridge. This configuration puts additional stress on the 2GB/s DMI interconnect that runs between the chipset's north and south bridge components, but as we saw with the P965 Express, that doesn't seem to slow CrossFire performance.
http://techreport.com/reviews/2007q2...5/index.x?pg=2
I sure hope so! Since the P35 is so similar to the P965, I'm going to look around for some game benches with the P965 with a Crossfire setup.

I'll run the Lost Coast bench tonight after work. I'm installing it now via remote desktop, but I don't think that I can run 3d mode, as it uses a graphics driver to remote in.
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
post #63 of 92
Quote:
I'll try the NB straps. I was wondering; do you think that running a higher FSB could possible help communication speed between the NB, SB, and the PCI-E slots, possibly yielding better Crossfire performance?
Faster...yes. But with all of your PCI-E lanes used up...usually you will be limited on your OC anyways. SLi and Crossfire alike, both inhibit OC potential, for the trade of better graphics performance.

If you are running into a Crossfire/FSB limitation, increasing your NB speed, is one way to fake the extra FSB and still gain some improvements in performance.
post #64 of 92
Good advice. I found tht Vista 64 bit is the cure for poor benchmarks. No shibby. I installed 64 bit and BAM was getting the same marks I got in XP pro with the CF set up in XPproSP2...

I dunno about everyone else but for me on this rig with these components the migration to 64 Bit is like going from an ATA 100 to SATA RAID Raptors...The 7.6 drivers are mandatory.
Shop Dog
(13 items)
 
 
CPUMotherboardGraphicsRAM
E8400 Asus Blitz Formula SE HD3870X2 G Skill 2 x 2GB DDR2 800 
Hard DriveOptical DriveOSMonitor
Velociraptor 150GB LG DVD Burner Vista Ultimate 64 AOC 21.5" LED 1080p 
KeyboardPowerCaseMouse
Deck Legend Silverstone 750 Modular OverClock Edition Lian Li V1100 Logitech Trackball 
Mouse Pad
Nope 
  hide details  
Reply
Shop Dog
(13 items)
 
 
CPUMotherboardGraphicsRAM
E8400 Asus Blitz Formula SE HD3870X2 G Skill 2 x 2GB DDR2 800 
Hard DriveOptical DriveOSMonitor
Velociraptor 150GB LG DVD Burner Vista Ultimate 64 AOC 21.5" LED 1080p 
KeyboardPowerCaseMouse
Deck Legend Silverstone 750 Modular OverClock Edition Lian Li V1100 Logitech Trackball 
Mouse Pad
Nope 
  hide details  
Reply
post #65 of 92
Thread Starter 
Well that's good to hear, as I'm getting Vista 64 Ultimate sometime soon....
Quote:
If you are running into a Crossfire/FSB limitation, increasing your NB speed, is one way to fake the extra FSB and still gain some improvements in performance.
I'm unsure what you mean by this...how do you increase the speed of your NB on an Intel? I know how to on an AMD
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
post #66 of 92
Thread Starter 
Well here's the Lost Coast test.....as humble as it may be. It hit some really low FPS spots, specifically when I entered the city walls. I dunno....it was running great FPS at the most intensive parts it seems. Weird.
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
post #67 of 92
Edit: wrong thread, sorry, free bump for you .
Folding Rigs
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD or Intel Anything with a lot of GPU Slots PPD Cruncher Just enough to fold. 
Hard DriveOptical DriveMonitorPower
Smallest Possible None None Whatever it takes 
Case
Bare Naked 
  hide details  
Reply
Folding Rigs
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD or Intel Anything with a lot of GPU Slots PPD Cruncher Just enough to fold. 
Hard DriveOptical DriveMonitorPower
Smallest Possible None None Whatever it takes 
Case
Bare Naked 
  hide details  
Reply
post #68 of 92
Thread Starter 
Rofl
You know this just blows my mind!!!!!!!!!!!!
I go play a game, such as BF2. I get into the game, and I'm running 80-100FPS. Out of nowhere (no explosions, large open areas) my FPS drops dramatically. ***????????????????
This is sooooo weird.
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
PWNzershreck
(15 items)
 
  
CPUMotherboardGraphicsRAM
4930K @ 4.6 GHz ASUS Rampage IV Black Edition MSI GTX 1080 FE Heatkiller Acetal 16 GB Corsair Vengeance 1600C9 
Hard DriveOptical DriveCoolingOS
2x Samsung 840 Pro  ASUS DVD-RW SATA Koolance 380i & 2x HW Labs 480GTX Arch Linux x86_64, Windows 7 x64 
MonitorKeyboardPowerCase
LG UC88-B Ultrawide, ASUS VS278Q Ducky Corsair AX1200i Caselabs STH10 
MouseMouse PadAudio
Logitech G500 Func 1030 ASUS Xonar Essence STX 
  hide details  
Reply
post #69 of 92
I'm not sure how to help you with your problems. It sounds like driver issues to me, but there isn't much to be done but wait... or move to Vista like CD suggested (no thanks).

Interesting, I corrected for the pixel # differences between our runs and it appears that your cards out perform mine by only a couple FPS. Eep. After overclocking I fear that mine would close the gap simply because the xtx's OC much better than the pros.

Oh, how I corrected for pixels was thus:

(75.65FPS*1680*1050)/(1600*1200)= 69.5FPS (~ 66.45FPS with my XTX)
Raptor Raper
(13 items)
 
  
CPUMotherboardGraphicsRAM
Something with transistors FOXCONN Boodrage -> eVGA classified e760 GTX 480 / HD6850@1090/1200 3x2 gig G Skill Trident DDR2000 
Hard DriveOptical DriveOSMonitor
2x128GB Crucial C300 Sumsung SATA DVD-RW 64 bit Windows 7 Samsung 245BW 
KeyboardPowerCaseMouse
Microsoft curve Tagan ITZ 800W DD Torture Rack Diamondback 
  hide details  
Reply
Raptor Raper
(13 items)
 
  
CPUMotherboardGraphicsRAM
Something with transistors FOXCONN Boodrage -> eVGA classified e760 GTX 480 / HD6850@1090/1200 3x2 gig G Skill Trident DDR2000 
Hard DriveOptical DriveOSMonitor
2x128GB Crucial C300 Sumsung SATA DVD-RW 64 bit Windows 7 Samsung 245BW 
KeyboardPowerCaseMouse
Microsoft curve Tagan ITZ 800W DD Torture Rack Diamondback 
  hide details  
Reply
post #70 of 92
Quote:
I'm unsure what you mean by this...how do you increase the speed of your NB on an Intel? I know how to on an AMD
Lowering your Multi will increase the NB speed. On my P5B-DLX, lowering the multi one notch, increases the NB speed by ~40-44mhz. Although the NB straps change the latency a lot on the 965chipset...on my P5K, I have not noticed a single, latency increase, when the strap is changed...So this way there are less 'FSB holes' and you get increased performance, with increased speed. On the 965chipset, there are numerous spots where increased FSB would actually worsen performance due to the latency change, when the speed of the NB is increased.

On the P5K-DLX, the strap of the NB is adjustable, so you shouldnt have to lower the CPU multi to increase the NB speed. Although, I have a P5K and it doesnt have that feature, so I cannot confirm it myself..Im sure CD can comment on it.

You should run some benchies, once you raise the NB strap in your BIOS to compare the before and after affects.
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: AMD/ATI
Overclock.net › Forums › Graphics Cards › AMD/ATI › Terrible performance with C2D/P5K in Crossfire