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HD 6970 Quadfire questions - Page 2

post #11 of 50
Thread Starter 
Quote:
Originally Posted by whippy View Post
I would just get the third card if you are definitely going eyefinity, see how it performs, then get the 4th only if you still think you need it.

Nice pick up. Maybe just sell the board lol. I might look at BD down the track with a revision and/or stepping and if/when the 95w versions come out. But for the moment my 955 is pulling its weight.
okay ill def going at least 3 cards, ill have 4 of them shipped prob and see the performance gains from 3 to 4 cards. if the performance of 4 is not that good or if 3 perform well ill prob just return the 4th card

Quote:
Originally Posted by Ken1649 View Post
If the setup is just for gaming, a 1200w is capable for the whole system. Each 6970 will approx draw 200w x 4 = 800w at stock clocks (no OC).

But why not 2 x 6990s with 2 waterblocks instead of 4.

The board has 4 PCIe x8/x8/x8/x8 with Quadfire setup should have no bandwidth issue.

If I were to do over the water cooling, this is the one. Less fittings, joints, adapters, etc. Less cost, big cooling capacity, put it outside PC case with more fresh air.
Edit:

Crossfire/Quadfire driver/scaling issue is a myth now.
Ah okay so each is about 200 watts, thats not so bad thats less then my 470's

hmm would the 6990s have been a better choice (dont know ati cards that well)? I would be getting the 6970's for $800 for all four the cheapest 6990 i could find was $700 >_<

hmm i wanted to have the rad on the inside the 600t, would a 200mm and a 240mm rad be good enough or would i prob still need an outside solution?

But its good to hear that drivers shouldnt be an issue
+reps
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post #12 of 50
I don't think you could stuff 4 x 6970s in 600T though. You will need a PC Case with at least 9 PCIe slots.

http://www.overclock.net/intel-build...d-600t-se.html



....
Edited by Ken1649 - 11/2/11 at 11:33am
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post #13 of 50
Thread Starter 
Quote:
Originally Posted by Ken1649 View Post
I don't think you could stuff 4 x 6970s in 600T though. You will need a PC Case with at least 9 PCIe slots.

http://www.overclock.net/intel-build...d-600t-se.html

*snip*

....
hmm i think it should fit (i could be wrong @_@), Although i would have to move the HDD's to the 5.25 bays and remove the nzxt lighting pci bracket But here some pics i took of what i have so far, sorry if their a bit blurry my GF has not charged her camera since her birthday last week

Thanks for the insight reps again


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post #14 of 50
Stick to 3 card. Think of its as 1 card per 1080p meaning you should get very good fps. It will be better with drivers, easy to cool and less heat.
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post #15 of 50
Quote:
Originally Posted by DNytAftr View Post
hmm i think it should fit (i could be wrong @_@), Although i would have to move the HDD's to the 5.25 bays and remove the nzxt lighting pci bracket But here some pics i took of what i have so far, sorry if their a bit blurry my GF has not charged her camera since her birthday last week

If the cards are watercooled, they should fit with very tight clearence. Removing the heatsink & fan make the cards to 1 slotter instead of 2.
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post #16 of 50
Idk if this has been mentioned, cause I didn't have time to read the whole thread, but I like to have 120.1 worth of rad per block... That would be 120.4 for your 4 cards and 120.1 for your CPU... I then ad 1 extra jut to be safe... A triple 120 and a dual should cool it fine, but I would go with dual 360s if I were u... Those cards can put of some heat if OCed, idk about on stock
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post #17 of 50
Quote:
Originally Posted by DNytAftr View Post
Hey guys, so this is my first AMD rig and currently im in the process of getting 4 HD 6970's. The plan was to put them in quadfire (i believe thats the right term?) and had a few questions.

-Would an Antec TPQ-1200 be enough for them along with a fx-8150/8170 (which would be overclocked)?

-Could i watercool just the 4 of them with a 360 rad or what sort of rad set up would i need if i decided to WC them in the future?

-Is there anything i should be aware of while about the cards, drivers cross-firing, etc? since im new to amd products

Thanks for the help guys!

Sidenote: oh the cards themselfs will not be overclocked, just the CPU

Edit: This would be for my AMD 600t build
The TPQ runs my rig good. My rig should cover your hardware questions. Read the how to install drivers thread and you should be fine, and BF3 runs like crud atm fyi.

Quote:
Originally Posted by Ken1649 View Post
I don't think you could stuff 4 x 6970s in 600T though. You will need a PC Case with at least 9 PCIe slots.
Really? Counts my 700D = 7. Omg!

**Btw OP, you can't run quad on the big bang unless you had a 6990, and even then with the slot placement, it's doubtful. The slot placement on the big bang makes it impossible imo, at least to do it right. Oh nvm you're using another board, not dig doh. Anyways, regarding boards you want one that has the top slot as a full pice.
Edited by tsm106 - 11/2/11 at 1:15pm
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post #18 of 50
Thread Starter 
Reps
Quote:
Originally Posted by ZealotKi11er View Post
Stick to 3 card. Think of its as 1 card per 1080p meaning you should get very good fps. It will be better with drivers, easy to cool and less heat.
Thanks! ill prob put in the order for all 4, try it out. And if it doesnt make a huge difference my friend said he would buy it if i was not interested since hes on a pretty tight budget

Quote:
Originally Posted by eskamobob1 View Post
Idk if this has been mentioned, cause I didn't have time to read the whole thread, but I like to have 120.1 worth of rad per block... That would be 120.4 for your 4 cards and 120.1 for your CPU... I then ad 1 extra jut to be safe... A triple 120 and a dual should cool it fine, but I would go with dual 360s if I were u... Those cards can put of some heat if OCed, idk about on stock
hmm im going to see if i can fit at least a 360 or a 240+ 120 rad in the rig for the gpus at least but i think i have a way to fit two 240's (side panel) in the case but not 100% sure

Quote:
Originally Posted by tsm106 View Post
The TPQ runs my rig good. My rig should cover your hardware questions. Read the how to install drivers thread and you should be fine, and BF3 runs like crud atm fyi.
*snip*
**Btw OP, you can't run quad on the big bang unless you had a 6990, and even then with the slot placement, it's doubtful. The slot placement on the big bang makes it impossible imo, at least to do it right. Oh nvm you're using another board, not dig doh. Anyways, regarding boards you want one that has the top slot as a full pice.
okay so sounds like the psu can definitively power the gpus. But yeah im using a gigabyte am3+ ud7 board, i think that someone said if i was to run quadfire that it would be running at 8x8x8x8x speed across the pci-e which if i remember reduces performance 2-10% depending (vs 16x)

Just a general question for anyone:
just trying to understand >_< , but if i was to do an eyefinity set up would think 4 cards would be better since it would have 1 card per-a-monitor plus the 4th gpu which would add some "horsepower" to the other cards? vs if i had only 3 cards?
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post #19 of 50
Only high resolution such as Eyefinity will benefit with Quad setup to fully utilize the horse power. So 4 is definitely better than 3.
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post #20 of 50
Unfortunately the way eyefinity works doesn't assign one card per monitor (which arguably would be better in some situations) but rather all your monitors plug into the first card and all the graphics processing goes through there where crossfire is concerned.

This means that you have the regular crossfire scaling so you will still have very good performance but the scaling won't be perfect. And the 4th card may add perhaps 40% of a single card's worth of fps in those situations.
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EK MOSFET ASUS M7G Acetal Nickel Windows 8 x64 Pro Dell U2711 (2560*1440) Dell P2715q 
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Ducky Shine 3 Year of the Snake Edition Corsair AX1200 Thermaltake Cube X2 
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