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post #40011 of 43975
Same here. ^


Quote:
Originally Posted by diggiddi View Post


Huh I'm lost so u agree with him?

Do you agree? thumb.gif

I keep coming back to my FX for a reason. And, http://www.3dmark.com/compare/fs/5661030/fs/5607835

The only gripes I have really is having a lower Graphics score on PCIe 2.0 vs 3.0.
post #40012 of 43975
Quote:
Originally Posted by MEC-777 View Post

Quote:
Originally Posted by kizwan View Post

I'd go with 1300 minimum then. Any 80Plus rated PSUs should be good. All that bronze, silver, gold or platinum rating only good for your electricity bills which unless your computer always under load all the time 24/7, I think you won't see much difference between them.

Agree with the 1300 minimum for a 9590 with 3 Hawaii cards. However, there are differences beyond the 80+ ratings that should be noted. It's not just a difference in efficiency. The higher efficiency models also use higher quality components, better designed and better built circuitry as well which will prolong the life of the unit and give you more clean, stable power at all times. A number of the lower efficiency (80+ bronze or below) models use what is called a group regulation design for the 3.3, 5 and 12v rails which is something to stay FAR away from. So by sticking with at least gold rated units, you're pretty much guaranteed individual rail voltage regulation and better components overall. wink.gif
The group regulation only found in low budget, low watt PSUs. That being said, group regulation not necessarily bad. I have read a couple of reviews of low watt PSUs (up to 600W) that used group regulation that have excellent voltage regulation on all rails. So no problem there if people get a good quality PSUs.

I have read a couple of times before that their gold rated PSU died. So to me 80Plus rating is no more than efficiency rating.
Quote:
The bad:
1. Their tests are conducted inside a thermal chamber with a constant temperature of 23° C (73.4° F) ±5%. This is ridiculous as no computer in the world works internally at such low temperature. The problem is that as temperature increases power supplies start consuming more from the power grid in order to deliver the same amount of power on their outputs, so efficiency typically decreases with temperature. Our tests here on Hardware Secrets are conducted with a temperature between 45° C and 50° C (113° F and 122° F) inside our thermal chamber, as we want to measure power supplies under real-world conditions.
2. Power supplies are tested only under three loads: 20%, 50% and 100% (called “light,” “typical” and “full,” respectively). At one hand the use of these three loads is enough for having an overall idea of the power supply efficiency. On the other hand, for a more precise measurement it is our opinion that they needed to do tests under several different loads, especially when they are charging for doing so. In our tests we test power supplies under five different loads: 20%, 40%, 60%, 80%, and 100%. On the other hand, the new Titanium certfication provides minimum requirements for 10% load, which is excellent.
3. They don’t disclose the exact equipments (e.g., manufacturers and models) they use on their testing.

Read more at http://www.hardwaresecrets.com/understanding-the-80-plus-certification/2/#BeSIIPOHEheAjV0L.99
Quote:
Originally Posted by mus1mus View Post

Same here. ^


Quote:
Originally Posted by diggiddi View Post


Huh I'm lost so u agree with him?

Do you agree? thumb.gif

I keep coming back to my FX for a reason. And, http://www.3dmark.com/compare/fs/5661030/fs/5607835

The only gripes I have really is having a lower Graphics score on PCIe 2.0 vs 3.0.
In benchmark, yes (gimped) but can you games with triple 290s & FX CPU, yes. I don't think anyone with triple 290s going to play at 1080p.
Edited by kizwan - 10/28/15 at 4:36pm
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post #40013 of 43975
HI-RES, +1

SOO TRUE.

And with DX12 GAMES coming, thinking.gif


I know I have my CPU clocked up top where most users will not be able to reach, 'cept for my fellas at the Vish thread who taught this guy how to properly OC, but a decent clocked AMD FX will play most games just fine.

This is not an Intel vs. AMD debate but rather some truth that has been misunderstood quite often. (I have a lot of friends that say, don't go for an AMD CPU, it's crap, blah blah!) But they run a locked i5 for heaven's sake.
post #40014 of 43975
Quote:
Originally Posted by mus1mus View Post

HI-RES, +1

SOO TRUE.

And with DX12 GAMES coming, thinking.gif


I know I have my CPU clocked up top where most users will not be able to reach, 'cept for my fellas at the Vish thread who taught this guy how to properly OC, but a decent clocked AMD FX will play most games just fine.

This is not an Intel vs. AMD debate but rather some truth that has been misunderstood quite often. (I have a lot of friends that say, don't go for an AMD CPU, it's crap, blah blah!) But they run a locked i5 for heaven's sake.
I am definitely not saying that AMD CPUs are crap at all, I love the 8320 in my second rig, but there is definitely a tangible benefit of getting a CPU with stronger single core perf. Right now I have a 5930k which beats my old 4790k only in super CPU bound games, and at 4K, but going from a 8320 to a 4790k at 4.8ghz was like day and night. My 8320 at 4.6 is a great chip, but you need the single core perf for most games.
post #40015 of 43975
Well, you have CPUs that are actually heaven and earth.

4.8 4790K is a monster in Single core perf.
4.6 AMD FX is Mediocre.

Things will really become apparent that way. Even your 5930K single core perf. is "no mas" for that 4790K in fact.
post #40016 of 43975
Quote:
Originally Posted by MEC-777 View Post

No it isn't. Will it run? Yes, for the most part but it's not ideal and it will significantly shorten the life of that PSU. 290x's will pull more than 300w. Don't go by the 8 and 6 pin ratings. Many high-end GPUs exceed those ratings even at stock clocks. The power draw of these GPUs is constantly being regulated and can draw momentary spikes of over 400w. A lower capacity PSU will have a much more difficult time trying to deal with those high load spikes and that's what will kill it sooner.

The PSU is the most important part of a PC and should not be compromised. Do yourself a favor; if you're going to upgrade to a 290x, then sell your 520w unit and use that money to help pay for a good quality unit with at least 650w and gold rated. Save your self the extra costs and headaches later on when that 520w unit starts to fail and possibly takes out other components with it. wink.gif

It's your system, you can do what you want, but I speak from experience and from doing A LOT of research about PSU's and GPU power draw characteristics. I STRONGLY recommend you upgrade your PSU if you install a 290x.
Whatever you say. tongue.gif

Why don't you watch some reviews?

I was talking about the Tri-X wich doesn't even reach 350W at peak - Yes,peak.

https://www.techpowerup.com/reviews/Sapphire/R9_290X_Tri-X_OC/22.html
http://www.hardocp.com/article/2014/08/01/sapphire_vaporx_r9_290x_trix_oc_video_card_review/9#.VjF3uW5HyUk
http://hexus.net/tech/reviews/graphics/70913-sapphire-radeon-r9-290x-vapor-x-4gb/?page=10
http://www.legitreviews.com/sapphire-r9-290x-vaporx-oc-4gb-video-card-review_142216/12

520w is plenty for a single GPU and a intel CPU - Total system draw of my PC without GPU must be 150W tops. Now,if you have AMD,got sum bad news. tongue.gif
Edited by GoLDii3 - 10/28/15 at 7:05pm
post #40017 of 43975
Til you put Overclock into the equation. thumb.gif
post #40018 of 43975
520w psu? What would anyone want to put himself into situation where you can get psu wattage limited?
You always want to have some space + if you start overclocking then 520w is not gonna be enough. Also psu doesn't like be at it limits...
750w is a good standard for these cards. 650w would do the trick as well...
post #40019 of 43975
Quote:
Originally Posted by kizwan View Post

The group regulation only found in low budget, low watt PSUs. That being said, group regulation not necessarily bad. I have read a couple of reviews of low watt PSUs (up to 600W) that used group regulation that have excellent voltage regulation on all rails. So no problem there if people get a good quality PSUs.

I have read a couple of times before that their gold rated PSU died. So to me 80Plus rating is no more than efficiency rating.

That's why you have to research the specific units. wink.gif There are a number of 80+ rated units with group regulation that are actually decent and there are also a number of gold rated units that are actually not so good. I agree, group regulation isn't something you run into too much in the higher capacity units, but it's something to be aware of and avoided, IMO.

The point I'm trying to make, and what we're both saying is to at least make sure you're buying a good quality unit. Don't just buy something because it has the correct rating or a certain branding. Research is key. wink.gif

Quote:
Originally Posted by GoLDii3 View Post

Whatever you say. tongue.gif

Why don't you watch some reviews?

I was talking about the Tri-X wich doesn't even reach 350W at peak - Yes,peak.

https://www.techpowerup.com/reviews/Sapphire/R9_290X_Tri-X_OC/22.html
http://www.hardocp.com/article/2014/08/01/sapphire_vaporx_r9_290x_trix_oc_video_card_review/9#.VjF3uW5HyUk
http://hexus.net/tech/reviews/graphics/70913-sapphire-radeon-r9-290x-vapor-x-4gb/?page=10
http://www.legitreviews.com/sapphire-r9-290x-vaporx-oc-4gb-video-card-review_142216/12

520w is plenty for a single GPU and a intel CPU - Total system draw of my PC without GPU must be 150W tops. Now,if you have AMD,got sum bad news. tongue.gif

Reviews don't tell the whole story and the equipment they use is not sensitive enough to pick up on the power draw spikes from modern high-end GPUs, especially Hawaii cards. 520w is not plenty. You will be running very close to that PSUs max output which will kill it (and or other components in your system) sooner than later. Trust me, I have been there and I have had two GPUs killed by an inadequate PSU (7950 and a 290). It's not a road you want to go down. There are a number of us here who have owned and run 290/x's for some time, telling you 520w is not enough. Not for the long term.

Heed our warnings or do what you want. It's your system and your money.

Here's a really good article you should read in it's entirety: http://www.tomshardware.com/reviews/graphics-card-power-supply-balance,3979.html
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post #40020 of 43975
Quote:
Originally Posted by fat4l View Post

520w psu? What would anyone want to put himself into situation where you can get psu wattage limited?
You always want to have some space + if you start overclocking then 520w is not gonna be enough. Also psu doesn't like be at it limits...
750w is a good standard for these cards. 650w would do the trick as well...
Like said and confirmed by reviews,520w is plenty for a single GPU build with Intel. No one forces you to overclock,and i prefer to keep the extra cash instead of using it to buy something that i don't need. tongue.gif
Quote:
Originally Posted by MEC-777 View Post


Reviews don't tell the whole story and the equipment they use is not sensitive enough to pick up on the power draw spikes from modern high-end GPUs, especially Hawaii cards. 520w is not plenty. You will be running very close to that PSUs max output which will kill it (and or other components in your system) sooner than later. Trust me, I have been there and I have had two GPUs killed by an inadequate PSU (7950 and a 290). It's not a road you want to go down. There are a number of us here who have owned and run 290/x's for some time, telling you 520w is not enough. Not for the long term.

Heed our warnings or do what you want. It's your system and your money.

Here's a really good article you should read in it's entirety: http://www.tomshardware.com/reviews/graphics-card-power-supply-balance,3979.html
Heh. Looks like you had very bad luck. tongue.gif

Im sorry,but i prefer to trust reviews done by professionals,rather than hearsay. "Equipment they use is not sensitive enough to pick up on the power draw spikes from modern high-end GPUs". Yeah...rolleyes.gif

I had a 7870,7950 and now a 280X. Always on the Seasonic SII12 520W platform. Never had a problem. That's 3 years already so i guess that "sooner or later" is more like "very very later" biggrin.gif

You're making quite a lot of unfounded statements.
Edited by GoLDii3 - 10/29/15 at 6:24am
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