Overclock.net › Forums › Graphics Cards › AMD/ATI › 2 ATI HD Radeon 6990's In Crossfire Experienced Experts Only
New Posts  All Forums:Forum Nav:

2 ATI HD Radeon 6990's In Crossfire Experienced Experts Only - Page 5

post #41 of 56
Absolutely need a higher resolution. 3x1 or 5x1 in 1080/1200p or 2560x1600 x 3 for the absolute best. A single 2560x1600 can occasionally tax all 4 GPUs, but triple & often nominal crossfire is suffice otherwise.
Quadfire Turbo
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 - 2600K / 5.4 GHz Gigabyte P67A-UD7-B3 #2 Sapphie Radeon 6990 @ 1030 / 1520 Ripjaws 4GB x 4 (16GB) @ 2200 MHz 
Hard DriveOptical DriveOSMonitor
OCZ Vertex3,Corsair Force GT,Intel X25-M, +4TB HDD LG Bluray Burner Windows 7 64 5x1 P(NEC ips), S750 Samsung 120hz HD3D, HP zr30w 
KeyboardPowerCaseMouse
Logitech G13 #2 Kingwin Mach 1 / 1220 Watts XSPC H2 R.A.T. 7 
Mouse Pad
Razer Goliath 
  hide details  
Reply
Quadfire Turbo
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 - 2600K / 5.4 GHz Gigabyte P67A-UD7-B3 #2 Sapphie Radeon 6990 @ 1030 / 1520 Ripjaws 4GB x 4 (16GB) @ 2200 MHz 
Hard DriveOptical DriveOSMonitor
OCZ Vertex3,Corsair Force GT,Intel X25-M, +4TB HDD LG Bluray Burner Windows 7 64 5x1 P(NEC ips), S750 Samsung 120hz HD3D, HP zr30w 
KeyboardPowerCaseMouse
Logitech G13 #2 Kingwin Mach 1 / 1220 Watts XSPC H2 R.A.T. 7 
Mouse Pad
Razer Goliath 
  hide details  
Reply
post #42 of 56
Thread Starter 
Quote:
Originally Posted by Ovlazek View Post
Think of your refresh rate to be a speed limit on your gpu's top speed.
isn't that due to Vertical Sync?

I turn it off
post #43 of 56
Quote:
Originally Posted by jblanc03 View Post
isn't that due to Vertical Sync?

I turn it off
No, your screen can ONLY show 60 fps (or 120 depending on monitor). V sinc puts a cap to reduce vertical taring. Get some eyefinity to wow your friends. It will be worth it. If you don't care what other people think then get a 2560x1600 monitor.
post #44 of 56
Thread Starter 
Quote:
Originally Posted by m3th0d1c4l View Post
What people are trying to say is, you only need one HD 6990 to max out any game at 1080p currently with that 60FPS frame cap. With 2 HD 6990s, you are just not going to see the benefit of having 2 of those cards with your monitor (hence, a bottleneck because you are adding GPU power when not needed), and that is what the people are trying to say by running higher resolutions. Because no matter what you do on that single monitor, you are not making use of your CorssfireX 6990's, because a single card will do the same job as both.

Its like using a GTX 580 on a monitor with a max resolution of 1280x1024. Its overkill.

Now, if you try to run a single HD 6990 on a higher resolution, such as 2560x1600, you will see a single card starting to push its limits. This is where the 2nd card will truly shine, giving you the power when you actually need it. Or if you decide to run 3 monitors in Eyefinity, as that also increases your overall resolution.

Anotherwords, you wasted money on both those cards if all you plan to do is run at 1080p, when a single card would do the trick.
Thats what the Crossfire Enabled/Disabled option is for in the CCC driver options.

I already know this thanks. I only use one 6990. But if i wanted to use 2, i just wanted to know how to get rid of the bottleneck. I am actually waiting for when they release larger than 30" displays to output 2500x1600 resolutions. I cant play on such a small screen. And Eyefinity sucks because of monitor boarders.
post #45 of 56
Thread Starter 
Quote:
Originally Posted by banthracis View Post
Actually looked up LG's 42" TV's. They're all "TruMotion 120hz" which is in fact just interpolation of a 60hz signal. Basically, they display 120 frames per second, but they only accept an input of up to 60 frames and just repeat each frame twice.
http://en.wikipedia.org/wiki/Motion_interpolation

So yea, your monitor is actually only capable of displaying a 60FPS signal at most.

It's better explained by the sticky in the monitor forums.

http://www.overclock.net/monitors-di...explained.html
You obviously have never played a pc game with a monster GPU on an LG LCD 120hz truMotion TV

Read this note from that thread "Monitors-Displays 60hz-vs-120hz explained"

[Note though, video card solutions that are recommended for 60Hz 2560x1600, will not perform as well at 1920x1080 @120hz due to the amount of information that needs to be processed. In other words, it’s more taxing on a GPU to display 1920x1080 @120hz than 2560x1600 at 60hz. You will need one heck of a powerful GPU solution to see all the benefits of 1920x1080 @120hz. Beyond this resolution, at this high a refresh rate, dual link DVI will no longer have enough bandwidth to broadcast a signal to a monitor. As this point we'll have to move to a more advanced cable method like Display port (seen on a lot of the new HD 5xxx series cards).]

i can tell you from pure experience that there is a HUGE difference in the frame rates when i went from a monitor to my LG LCD TV! the extra frames in between the 60hz make everything seem so fluent(liquid smooth) even when my frames drop below 60hz its still so smooth that you barely even notice it.
post #46 of 56
You missed the point. Your TV doesn't display 120 FPS. It displays 60 FPS and just shows you each frame twice a second.

A true 120HZ monitor would give you 120 different frames each second, not 60 frames each repeated. Also, your monitor isn't gonna drop below 60HZ. Refresh rate and FPS are 2 different things.

You don't seem to understand some basic tech here.

Also, 6990's are by definition 2 6970's GPU's cross fired on a single card. You can't actually disable the crossfire there even if you uncheck the box in driver options.

I've played on everything from 3x IPS eyefinity, 3x 120hz monitor eyefinity to a x3 1080p projector setup. A large LCD screen is pointless since you have to sit so far away from it that it's no different than having a large 1080p monitor right in front of you.

It's inferior to a single 30" 2560x1600 monitor. 3x 1080p projectors is really nice, but the amount of wall space and setup required is just a pain. I've never noticed the difference btwn 120FPS and 60 FPS and I've always preferred the superior image quality of IPS screens over higher FPS.

The point we're all trying to make, and which you seem unable to accept, is simply that your current display setup does not justify your hardware. IE, you've basically wasted your money since you're using a single 1080p screen. Resolution matters, not size. A 50 ft tall billboard in time square can not even be HD with a 480p image.
Edited by banthracis - 10/7/11 at 7:12am
Alduin-WIP
(22 items)
 
  
CPUMotherboardGraphicsGraphics
i7-2600k GA Z68XP-UD4 MSI 6950 2gb Twin Frozr III MSI 6950 2gb Twin Frozr III 
RAMHard DriveHard DriveHard Drive
G Skill Sniper Crucial M4 256GB Spinpoint F4 2TB Spinpoint F4 2TB 
Hard DriveCoolingOSMonitor
Spinpoint F4 2TB Thermalright HR-02 Windows 7 Professional 64 bit Dell U2311H x3 Portrait Eyefinity 
PowerCaseOtherOther
Corsair AX750 Silverstone FT02 Sleeving, acrylic, lighting and whole buncha ot... Laser Cutting and Engraving 
  hide details  
Reply
Alduin-WIP
(22 items)
 
  
CPUMotherboardGraphicsGraphics
i7-2600k GA Z68XP-UD4 MSI 6950 2gb Twin Frozr III MSI 6950 2gb Twin Frozr III 
RAMHard DriveHard DriveHard Drive
G Skill Sniper Crucial M4 256GB Spinpoint F4 2TB Spinpoint F4 2TB 
Hard DriveCoolingOSMonitor
Spinpoint F4 2TB Thermalright HR-02 Windows 7 Professional 64 bit Dell U2311H x3 Portrait Eyefinity 
PowerCaseOtherOther
Corsair AX750 Silverstone FT02 Sleeving, acrylic, lighting and whole buncha ot... Laser Cutting and Engraving 
  hide details  
Reply
post #47 of 56
You cant overclock that CPU with that cooler.

Quote:
"CPU cooling
ARCTIC COOLING Freezer 7 Pro"
I used to own one, it went past 70*c with the same processor as yours too... awful cooler for overclocking.
    
CPUMotherboardGraphicsRAM
AMD Phenom II 1100T X6 4.0GHz ASUS Crosshair V Formula XFX ATi Radeon 6970  Crucial 8GB DDR3 1333MHz 
Hard DriveOptical DriveOSMonitor
OCZ Agility 3 60GB SSD Western Digital 500GB X2 Samsung BD-ROM DVD-RW Windows 7 X64 Ultimate HP 2510i 25" 
KeyboardPowerCaseMouse
Microsoft Sidewinder X6 Corsair TX850W V2 Fractal Designs R3 Black Pearl SteelSeries Xai 
Mouse Pad
Razer Goliathus 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
AMD Phenom II 1100T X6 4.0GHz ASUS Crosshair V Formula XFX ATi Radeon 6970  Crucial 8GB DDR3 1333MHz 
Hard DriveOptical DriveOSMonitor
OCZ Agility 3 60GB SSD Western Digital 500GB X2 Samsung BD-ROM DVD-RW Windows 7 X64 Ultimate HP 2510i 25" 
KeyboardPowerCaseMouse
Microsoft Sidewinder X6 Corsair TX850W V2 Fractal Designs R3 Black Pearl SteelSeries Xai 
Mouse Pad
Razer Goliathus 
  hide details  
Reply
post #48 of 56
Thread Starter 
Quote:
Originally Posted by banthracis View Post
You missed the point. Your TV doesn't display 120 FPS. It displays 60 FPS and just shows you each frame twice a second.

A true 120HZ monitor would give you 120 different frames each second, not 60 frames each repeated. Also, your monitor isn't gonna drop below 60HZ. Refresh rate and FPS are 2 different things.

You don't seem to understand some basic tech here.

Also, 6990's are by definition 2 6970's GPU's cross fired on a single card. You can't actually disable the crossfire there even if you uncheck the box in driver options.

I've played on everything from 3x IPS eyefinity, 3x 120hz monitor eyefinity to a x3 1080p projector setup. A large LCD screen is pointless since you have to sit so far away from it that it's no different than having a large 1080p monitor right in front of you.

It's inferior to a single 30" 2560x1600 monitor. 3x 1080p projectors is really nice, but the amount of wall space and setup required is just a pain. I've never noticed the difference btwn 120FPS and 60 FPS and I've always preferred the superior image quality of IPS screens over higher FPS.

The point we're all trying to make, and which you seem unable to accept, is simply that your current display setup does not justify your hardware. IE, you've basically wasted your money since you're using a single 1080p screen. Resolution matters, not size. A 50 ft tall billboard in time square can not even be HD with a 480p image.
I dont sit far away from my screen. Trust me Bigger is always better.

Untill they come out with more than 30" hi-rez displays im sticking to LED HDTV's i will probably upgrade to or try to find one thats true 120hz
post #49 of 56
Quote:
Originally Posted by jblanc03;15221503 
I dont sit far away from my screen. Trust me Bigger is always better.

Untill they come out with more than 30" hi-rez displays im sticking to LED HDTV's i will probably upgrade to or try to find one thats true 120hz

All due respect ..bigger is not always better , most certainly in conditions where resolution doesn't scale with inches. That's precisely why Eyefinity & Surround have begun to seep into standardized testing for triple/quad GPU arrays (in gaming).
Quadfire Turbo
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 - 2600K / 5.4 GHz Gigabyte P67A-UD7-B3 #2 Sapphie Radeon 6990 @ 1030 / 1520 Ripjaws 4GB x 4 (16GB) @ 2200 MHz 
Hard DriveOptical DriveOSMonitor
OCZ Vertex3,Corsair Force GT,Intel X25-M, +4TB HDD LG Bluray Burner Windows 7 64 5x1 P(NEC ips), S750 Samsung 120hz HD3D, HP zr30w 
KeyboardPowerCaseMouse
Logitech G13 #2 Kingwin Mach 1 / 1220 Watts XSPC H2 R.A.T. 7 
Mouse Pad
Razer Goliath 
  hide details  
Reply
Quadfire Turbo
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 - 2600K / 5.4 GHz Gigabyte P67A-UD7-B3 #2 Sapphie Radeon 6990 @ 1030 / 1520 Ripjaws 4GB x 4 (16GB) @ 2200 MHz 
Hard DriveOptical DriveOSMonitor
OCZ Vertex3,Corsair Force GT,Intel X25-M, +4TB HDD LG Bluray Burner Windows 7 64 5x1 P(NEC ips), S750 Samsung 120hz HD3D, HP zr30w 
KeyboardPowerCaseMouse
Logitech G13 #2 Kingwin Mach 1 / 1220 Watts XSPC H2 R.A.T. 7 
Mouse Pad
Razer Goliath 
  hide details  
Reply
post #50 of 56
Quote:
Originally Posted by jblanc03 View Post
I dont sit far away from my screen. Trust me Bigger is always better.

Untill they come out with more than 30" hi-rez displays im sticking to LED HDTV's i will probably upgrade to or try to find one thats true 120hz
You don't get it. Or you refuse to listen. I'm not sure which. What you are saying here is basically somebody who just bought a brand new HD cable box to use with their tv from the 1939 worlds fair has a better picture than somebody who has a standard definition cable box with a brand new LED 120Hz television.

Your monitor isn't as good as you are trying to make it seem. Lots of people here use televisions as displays. I am one. I have a great pc hooked up to a 40" Sony Bravia Z-series 1080p 120Hz (same method of achieving 120Hz as has been mentioned above) television. It does NOT look as good as my 27" Asus VE276Q 1080p 60Hz monitor. End of story. You aren't going to get any new information from other members as the correct information has already been presented to you and you refuse to accept it.
Occam's Razor
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 X58A-UD3R (Rev.2) Asus GTX 980 12GB Corsair Vengeance 
Hard DriveOSMonitorKeyboard
Crucial M4 256GB Win 7 Pro 64-bit Asus VE276Q Ducky Shine 2 MX Blues 
PowerCaseMouseAudio
Antec TP 650W Fractal Define R3 Deathadder BE Asus Xonar DG 
  hide details  
Reply
Occam's Razor
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 X58A-UD3R (Rev.2) Asus GTX 980 12GB Corsair Vengeance 
Hard DriveOSMonitorKeyboard
Crucial M4 256GB Win 7 Pro 64-bit Asus VE276Q Ducky Shine 2 MX Blues 
PowerCaseMouseAudio
Antec TP 650W Fractal Define R3 Deathadder BE Asus Xonar DG 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: AMD/ATI
Overclock.net › Forums › Graphics Cards › AMD/ATI › 2 ATI HD Radeon 6990's In Crossfire Experienced Experts Only