i5-4570s vs i5-4460?

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Shane Berlinger

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Oct 20, 2014
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Hi,
I was just given both of these processors and I only need 1 for my build. To give an idea of the platform I'm building on, I also have a Z97 mobo, a GTX 970, and an 850w psu. Which will be better to use? Thanks
 
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Hlsgsz


My reasoning is that it beeing an S may have it behave differently, even if not because of TDP. But you're right, not real easy to find info.

Agreed on general perfromance though. OP, just get whichever. They are the same for all practical intents and purposes.
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Ecky

Ecky

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Feb 3, 2013
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Tough to say, they're both similar. The 4570s is a low-power CPU and has a lower baseclock of 2.9ghz vs 3.2ghz. However, it turbos to 3.6ghz vs 3.4ghz. I'd probably keep the 4570s, but you'll not notice a lot of difference between either.

For what it's worth, an 850w power supply is hugely oversized for your build. Your system will probably not draw more than 220-240w under torture testing. This won't hurt anything, but having an oversized psu wastes a bit of power and will cost you in your electric bill over time.
 
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Hlsgsz

Hlsgsz

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Feb 29, 2016
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That lower TDP on the 4570s is precisely te reason to prefer the i5-4460. While the former will boost higher, it will do so only when hitting only one core hard. This is increasingly not the case anymore(fortunately), and the i5-4460 will most likely attain higher boosts when using all cores.
 
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Ecky

Ecky

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A 65w TDP is not likely to hinder the 4570s from hitting its turbo frequencies. My 3570K can sustain 4.0ghz with the TDP artificially limited to 60w, and draws only 37w at the 4570s's 4-core turbo speed of 3.4ghz. Likely the only time you'd see power limits come into play are under AVX2 loads with the iGPU also loaded.
 
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Hlsgsz

Hlsgsz

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Yeah, you may be right. But still. 300Mhz base vs 200Mhz boost, limited by Intel's tables, not TDP. Woudl you go for the higher boost?
 
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Ecky

Ecky

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Depends on what the boost table is, and that's information that's hard to find. The 4460 is almost certainly 3.4 on 1 core, 3.3 on 2 cores, and 3.2 on 3 and 4 cores. The "s" chips might have slightly different boost tables, but it's typical for non-s CPUs to do something like 3.6/3.5/3.4/3.4.

Either way, both will perform very similarly.
 
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Hlsgsz

Hlsgsz

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Feb 29, 2016
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My reasoning is that it beeing an S may have it behave differently, even if not because of TDP. But you're right, not real easy to find info.

Agreed on general perfromance though. OP, just get whichever. They are the same for all practical intents and purposes.
 
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