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Overclocking the AMD Phenom II X4 945 - First time - Page 3

post #21 of 42
Thread Starter 
Quote:
Originally Posted by yuksel911 View Post

Yes, that's the truth. He can go till 3.2GHz without voltage adjustment.

Ok guys I have just changed the FSB to 214 so I get 3.2. Honestly is there any point in overclocking on the system I have?
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post #22 of 42
Quote:
Originally Posted by Henrez View Post

Ok guys I have just changed the FSB to 214 so I get 3.2. Honestly is there any point in overclocking on the system I have?

To be honest, an increase of 200Mhz won't give a game-changing increase. If you're aiming at a high OC, say 3.7-4Ghz, well, that would be a different story all together biggrin.gif. For that, you would need a new mobo (something preferably with 8+2 phases). Any plans to upgrade? Also, is your graphics card OC'd?
Edited by PunkX 1 - 12/4/11 at 6:10am
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post #23 of 42
Quote:
Originally Posted by PunkX 1 View Post

To be honest, an increase of 200Mhz won't give a game-changing increase. If you're aiming at a high OC, say 3.7-4Ghz, well, that would be a different story all together biggrin.gif. For that, you would need a new mobo (something preferably with 8+2 phases). Any plans to upgrade? Also, is your graphics card OC'd?

He don't need 8+2, quality 4+1 is enough for quad cores.
    
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post #24 of 42
Thread Starter 
Quote:
Originally Posted by PunkX 1 View Post

To be honest, an increase of 200Mhz won't give a game-changing increase. If you're aiming at a high OC, say 3.7-4Ghz, well, that would be a different story all together biggrin.gif. For that, you would need a new mobo (something preferably with 8+2 phases). Any plans to upgrade? Also, is your graphics card OC'd?

Yeah I am planning on an upgrade soon, so recommendations would be very helpful smile.gif and no it isn't.
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post #25 of 42
Quote:
Originally Posted by yuksel911 View Post

He don't need 8+2, quality 4+1 is enough for quad cores.

I disagree. A quality 4+1 setup in most cases attributes to a TDP rating of 125W, which means that the motherboard is designed to run 125W TDP processors at stock speeds using the stock cooler. The overclocking headroom wouldn't be much without going in for additional VRM cooling. Even then, cooling only addresses the heat issue, not increase the amperage intake capability of the MOSFETS. Problems may not be faced initially or even after a significant period of time but degradation of the MOSFETS would eventually take place if the chip is run at a high OC, say 3.8-4.2 Ghz @ 1.55+v, over an extended period of time. An 8+2 phase design raises the TDP support to a more overclock-friendly 140W. That gives WAY more headroom for serious OCing, not to mention add future-proofing to the mix thumb.gif. There are exceptions when a 4+1 setup is rated for 140W CPUS. That, however is not an an accurate figure to go by, because realistically, there is no 4+1 setup that has the amperage capability to handle 140W, the same way how there isn't any 3+1 setup that can realistically handle 125W CPUs. ASUS gets away with such a move(rating select 3+1 boards to handle 125W CPUs) because of their trademark VRM protection features. The moment a 125W CPU is popped in and put under intense load, CPU throttling kicks in more often than not, resulting in performance loss.

So a 4+1 setup IS enough for a quad, but at stock speeds with a substancial OC with proper VRM cooling at the very most.

Boards like the ASrock 970 Extreme 3, however, are exceptions. It uses a properly cooled/heatsinked 4+1 phase design with quality components used.
Edited by PunkX 1 - 12/4/11 at 12:52pm
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post #26 of 42
Quote:
Originally Posted by Henrez View Post

Yeah I am planning on an upgrade soon, so recommendations would be very helpful smile.gif and no it isn't.

What's your budget for the board? Consider OCing the card for a nice boost in overall frames thumb.gif
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post #27 of 42

4+1 phase VRM systems with no cooling should not be taken above stock speed; however, properly cool a quality 4+1 phase system and it can certainly go places.  Even with a moderately challenging OC, but nothing in the ridiculous 1.6Vs unless maybe you have a Biostar TA890FXE which has a ridiculously good 4+2 phase.  When you're dealing with lower phase counts (i.e. 3+1 phase), transistor count and capacity then becomes more of a serious problem.  Where many motherboard manufacturers rate their 3+1 phase boards to be 125W processor capable, you should then never go beyond that.  Most manufacturers, i.e. ASUS and GIGABYTE, do not bother releasing low end 3+1 phase boards with 125W rating because it is just too risky.  Like this board: it is rated for max 95W TDP CPU. And while it probably can handle a small overclock if the VRMs are cooled well, it is definitely not designed for it.


Higher phase counts (i.e. 6+2, 8+2) do allow for more efficiency, less strain on each phase, less degrading, and longer lifetime.


Edited by xd_1771 - 12/4/11 at 12:47pm
post #28 of 42
Quote:
Originally Posted by xd_1771 View Post

$+1 phase VRM systems with no cooling should not be taken above stock speed; however, properly cool a quality 4+1 phase system and it can certainly go places.  Even with a moderately challenging OC, but nothing in the ridiculous 1.6Vs unless maybe you have a Biostar TA890FXE which has a ridiculously good 4+2 phase.  When you're dealing with lower phase counts (i.e. 3+1 phase), transistor count and capacity then becomes more of a serious problem.  Where many motherboard manufacturers rate their 3+1 phase boards to be 125W processor capable, you should then never go beyond that.  Most manufacturers, i.e. ASUS and GIGABYTE, do not bother releasing low end 3+1 phase boards with 125W rating because it is just too risky.  Like this board: it is rated for max 95W TDP CPU. And while it probably can handle a small overclock if the VRMs are cooled well, it is definitely not designed for it.


Higher phase counts (i.e. 6+2, 8+2) do allow for more efficiency, less strain on each phase, less degrading, and longer lifetime.

Exactly what i was trying to point out as well. Thanks xd thumb.gif
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post #29 of 42
Thread Starter 
Quote:
Originally Posted by PunkX 1 View Post

What's your budget for the board? Consider OCing the card for a nice boost in overall frames thumb.gif

Nothing above £150 really
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Coolmaster Hyper TV3 EVO Windows 7 Home Premium 64 bit Asus 21" Dell 
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post #30 of 42
Quote:
Originally Posted by Henrez View Post

Nothing above £150 really

My personal favorite - http://www.newegg.com/Product/Product.aspx?Item=N82E16813128508

Baby brother of the above and just as capable - http://www.newegg.com/Product/Product.aspx?Item=N82E16813128514

The cream of the crop, hands down thumb.gif - http://www.newegg.com/Product/Product.aspx?Item=N82E16813131735
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Kukumonster
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