FX: Will a lower TDP allow higher clocks AND cause less heat?

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m3kun

m3kun

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Jan 14, 2014
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Hello community!

83xx (125w) and 6300 (95w)

If both chips would be clocked to run at 5ghz is the 6300 always cooler and requires less power than the 8320, making the 6300 the smarter choice without sacrificing 4-core gaming performance?

Furthermore: If the 6-core would be cooler in general, does that imply it has (in theory) a higher max-OC than a 83xx with same cooling setup?

Thanks in advance!

 
Solution
nukemaster
While the lower TDP does directly mean less heat and less power consumption. you have to remember that an FX 83XX has to drive another dual core unit. so they both use almost the exact same power per core(the 83XX are actually slightly better with a math formula of 125/8*6 breaking it own to watts per core and then cores x 6 gives you 93.57 watts if you disabled 1 unit on a 83XX cpu[theory alone]).

TDP's are not always met with a cpu. sometimes a 95 watt TDP cpu will be a very good one and run lower while others may just pass 95 watts.

This is the point that it becomes complicated. NO two cpus are the same you could get a great 83XX and overclock like mad without even needing extra voltage and then pick up a 6300 that needs lots of...
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nukemaster

nukemaster

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Nov 23, 2004
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While the lower TDP does directly mean less heat and less power consumption. you have to remember that an FX 83XX has to drive another dual core unit. so they both use almost the exact same power per core(the 83XX are actually slightly better with a math formula of 125/8*6 breaking it own to watts per core and then cores x 6 gives you 93.57 watts if you disabled 1 unit on a 83XX cpu[theory alone]).

TDP's are not always met with a cpu. sometimes a 95 watt TDP cpu will be a very good one and run lower while others may just pass 95 watts.

This is the point that it becomes complicated. NO two cpus are the same you could get a great 83XX and overclock like mad without even needing extra voltage and then pick up a 6300 that needs lots of voltage to get much over stock(I would say 4ghz+ without extra voltage is common of these chips, but some will need a boost for 4.0 while others may hit 4.5 on stock voltage.).

For the sake of your motherboards VMR's the 6300 + overclock should take less power thus be more easy on the board, but some boards come with very beefed up regulators making this point moot. Take a board like the 970 Extreme 3 from Asrock. They recommend top down coolers(blow air over the vrms) for any 125 watt chip. Even with a 95 watt part those vrms get blistering hot(but we allow video card VRMS to get much hotter without a second though, so it may not be a problem in the long run. Even the caps are hot[burning] to the touch under 100% load).

Buy what gives YOU the best performance for what you plan to use the cpu for. The 6300 has great performance for the price.
 
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Solution
m3kun

m3kun

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Jan 14, 2014
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Thank you for your extensive reply.

This machine is only for gaming with some streaming in the background. Thats why i think those 2 extra cores will do just fine.

As board i am looking at an "AsRock 990fx Killer" that came out recently (the one with m.2). The VRM design looks solid. There are hardly any infos out there, but i guess this board is as good as it gets for the money. Everything remotely close to this costs 40% more.
 
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