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[Official] EVGA Classified & K|NGP|N Owner's Club - Page 1035

post #10341 of 21378
Quote:
Originally Posted by gdubc View Post

I have been on the edge of buying a superflower leadex 1000w that's on sale (and its the stunning white model thumb.gif) but I haven't been sure if it would be enough for 2 780 ti cards, ivy-e, maybe dual loop. I had sent a pm to Shilka and he thought it would be plenty (without going crazy with the ocs). The 1200w model cost me like $100 more so it is quite a jump. After all this talk lately though, I might try the coolermaster v1000 I already have and see how it goes.

It's a good deal for me on the superflower, but another thing to consider is that there are going to be more models coming out soon by many of the psu makers, so it would be a good time to wait and see what some of them are like. EVGA will be releasing a beast of a psu soon for anyone that needs it.

I really wouldn't run with a 1000 watt PSU for two TiCs. Regular Ti's, yeah. Not Classified Ti's. They are hungry.

Here is some math.

Running at 1.3 volts core, 1.65 ram at 1293 mhz in farcry 3, I hit 550 watts on a KAW staring into the jungle doing nothing. I can hit about 610 running and driving around with no enemies. At 90% efficiency, this gives 550 watts by the system. 20 watts are fans, so 530 watts for whats left.

Everything else is is 2 SSDs, 4 sticks of ram at 1.5 volts and a motherboard and CPU @ 1.45 volts @4.7 ghz which isn't getting hit hard during this time. All watercooling gear on another PSU. So comparing this with my power target to see if what comes out is reasonable gives 420 watts for the card. So 110 watts for the rest.

Sounds reasonable as at stock on card I pull 390 from the wall, which leaves 100 for the rest.

My power target is out of 150% and that is 900 watts. So 600 watts is 100%. My power target peaked at 70%, So 70% of 600 is 420 watts by the card.

This matches up decently with the KAW and stock after factoring other losses. So rather roughly 840 watts will be needed for two cards. You have 160 watts left. If my CPU used less power than guesstimated, you have even less headroom that that. On the flip side, if it used more, you get more back. How lucky do you want to be? You will lose more if you get a better clocking card than mine as higher frequencies means more power. My max load temp is 40C. The hotter the card runs, the more of a window you lose. It won't be much, but you may not have much to work with.

Cyclops has a 1200 watt Corsair that hard resets at 1.3 volts with two cards that was talked about only a few post up from yours. You want to run with 1000.

Shilka is the man when it comes to power supplies, but he is underestimating the power Classified's consume. Any other Ti, and you would be fine.

Why spend the premium on two TiCs, whatever you need to water cool them, and then limit yourself to 1.3 volts IF your lucky? I would grab a 1300 watt supernova when they are in stock from EVGA's website or amazon when they are in stock. That way you will get one at MSRP. You are asking for trouble at 1000 watts.
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post #10342 of 21378
I have a question that should be easy to answer for some of you who have tried both. I have a 780 Classified. Is it worth selling it and paying the extra $150 or so to get a 780 TI Classified or swapping for the Vanilla 780?
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post #10343 of 21378
Yeah, my post wasn't very clear. I posted because of the discussion around the Corsair not being enough. What I meant was that I was also waiting on some new ones to come out, especially after reading the posts here lately. I will use my v1000 just to get by (without oc) until I find something else, instead of spending money on another 1000 watt that doesn't look like it would work anyway.
Newegg has the 1300w EVGA but it's overpriced by like $100 right now and I want to see what else is coming out. Hopefully, evga will make a white model like it's superflower mom, because shipping from uk sux!

Edit: lol, I just got the email notification from evga that the 1300w is back in stock at 229.99. I still think I will wait and see what all the new stuff is like. The 1000w should be enough to get going and check all the components at least.
Edited by gdubc - 3/12/14 at 4:14pm
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post #10344 of 21378
Quote:
Originally Posted by gdubc View Post

Yeah, my post wasn't very clear. I posted because of the discussion around the Corsair not being enough. What I meant was that I was also waiting on some new ones to come out, especially after reading the posts here lately. I will use my v1000 just to get by (without oc) until I find something else, instead of spending money on another 1000 watt that doesn't look like it would work anyway.
Newegg has the 1300w EVGA but it's overpriced by like $100 right now and I want to see what else is coming out. Hopefully, evga will make a white model like it's superflower mom, because shipping from uk sux!

Evga g2 1300 just came in stock in evga store.. Just to let you know.. thumb.gif
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post #10345 of 21378
Haha, ninja edited my post just before you put that up!
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post #10346 of 21378
Quote:
Originally Posted by gdubc View Post

Yeah, my post wasn't very clear. I posted because of the discussion around the Corsair not being enough. What I meant was that I was also waiting on some new ones to come out, especially after reading the posts here lately. I will use my v1000 just to get by (without oc) until I find something else, instead of spending money on another 1000 watt that doesn't look like it would work anyway.
Newegg has the 1300w EVGA but it's overpriced by like $100 right now and I want to see what else is coming out. Hopefully, evga will make a white model like it's superflower mom, because shipping from uk sux!

Edit: lol, I just got the email notification from evga that the 1300w is back in stock at 229.99. I still think I will wait and see what all the new stuff is like. The 1000w should be enough to get going and check all the components at least.

EVGA seems to like black. You may have a very long wait.
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post #10347 of 21378
Hello guys.


Does anyone know why my 780 Classified never reaches 1.212V with skyn3t's BIOS? I've set maximum 1.212V voltage in Precision X, but according to GPU-Z the card barely uses 1.209V. I know there is barely any difference but still wondering what might be the actua reason for this?
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post #10348 of 21378
Quote:
Originally Posted by Draugr View Post

I recently added a second 780 classified with a CM 850w gold and whenever I try to push my card to 1300mhz the system shuts down...I guess you'll need a beefier psu (wish i knew it before buying this psu...although i can run both cards at 1250mhz/7ghz with i5 4.6ghz which is more than enough)

Am lucky in that department ive had my current psu about 3 years so not so worried about changing it... 7Ghz on the memory i guess you got lucky and got 2 samsungs. i did not first card is elpida which overclocks bad only 6400... i was lucky on my second one which has samsung ram oc to 7200 no problems.
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post #10349 of 21378
Quote:
Originally Posted by tpwilko08 View Post

Am lucky in that department ive had my current psu about 3 years so not so worried about changing it... 7Ghz on the memory i guess you got lucky and got 2 samsungs. i did not first card is elpida which overclocks bad only 6400... i was lucky on my second one which has samsung ram oc to 7200 no problems.

yes both classies have samsung memory !
post #10350 of 21378
Anyone had any experience with SuperFlower Leadex GOLD 1300W power supply is it any good or do you think i should go for the ax1200i?
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