Overclocking

AMD's FX architecture was designed for very high clock speeds. With Piledriver we're able to see some of that expressed in overclocking headroom. All of these chips should be good for close to 5GHz depending on your luck of the draw and cooling. For all of these overclocking tests I used AMD's branded closed loop liquid cooler which debuted back with the original FX launch. I didn't have enough time to go through every chip so I picked the FX-8350 and FX-4300 to show the range of overclocks that may be possible. In my case the FX-4300 hit 5GHz with minimal effort, while the FX-8350 topped out at 4.8GHz (I could hit 5GHz but it wasn't stable through all of our tests). Both of these overclocks were achieved with no more than 10% additional core voltage and by simple multiplier adjustments (hooray for unlocked everything). The increase in performance is substantial:

Windows 8 - x264 HD 5.0.1 - 1st Pass

Windows 8 - x264 HD 5.0.1 - 2nd Pass

The increase in power consumption is pretty bad however, you do pay for these types of voltage driven overclocks:

Power Consumption - Load (x264 HD 5.0.1)

The 5GHz FX-4300 is pushed into FX-8300 territory, while the 4.8GHz 8350 is in a league of its own at just under 300W of total system power consumption.

Projected Performance: Can AMD Catch up with Intel? Final Words
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  • Idiot10 - Tuesday, May 7, 2013 - link

    Here comes Mr. ChariseHogburn again. the all-knowing Intel mercenary processor expert, who thinks nothing can beat his beloved 2500K. SOB!!!!
  • Got my first AMD - Thursday, May 8, 2014 - link

    I OC my 8320 to 4.7 GHz and only have to raise the voltage .0125 from stock. Why is it that you think AMD is worthless. They are all for the consumer and I am grateful for it. I'm really sick of your ignorance. Really sick of it.
  • cbrown - Thursday, June 12, 2014 - link

    What everyone will get "sick" of in a hurry is if AMD falls on its face with its "crap" cpu manufacturing... Intel will double their pricing on cpus again, same as they were during the time period AMD released it's "crap" slot athlon 500. AMD also has a decent gpu to fall back on since they bought ATI which was a smart move.

    *AMD released Slot A Athlon 500 Intel slashed it's prices in half same day to match.

    *If ATI hadn't stepped up to the plate and suceeded when nVidia bought 3dfx Everyone would be crying about the prices of gaming cards

    *Sure AMD is lagging behind right now but never underestimate the importance of competition and the effect it has on affordable upgrades for everyone...

    I love AMD for the pricing they have brought to us this day and time... with cpu's AND gpu's
    I am fixing to build my FIRST intel platform since the since amd released the slot a athlon simply because I want a hackentosh... there is simply too much heartache building one on a AMD CPU/MOBO combo for the simple fact apple does not support them. I dont know if you would call me a amd fanboy or not, your opinion, I simply have supported a company that brought affordability to everyone.... I am either MAC (intel, no choice really) or AMD for the windows platform...

    Anyone that cannot see the reasoning behind this, now I would say they are a intel fanboy though.... Everyone has the right to choose.....
  • saintalchemyst - Saturday, July 4, 2015 - link

    Watch and relize the fan boy you are. Intel is great at what they do...SO IS AMD! https://www.youtube.com/watch?v=eu8Sekdb-IE
  • CaulkWarmer - Wednesday, August 5, 2015 - link

    Well I can answer that question for you. It's because we don't need to. I hear Intel fanboys talking about overclocking all the time. Now why is that? Is it because you spent a house payment on your big fancy i7 alone, so now you just have to squeeze in those extra clock cycles? And then here I am, spent 110 bucks on a 8320 on a Newegg sale and what do you know, I don't *need* to overclock. Why would I do something I don't need to do? Well, I'm not a little bitch fanboy afterall so I'll just be happy with what I got and not talk shit about something I have no experience with (take the hint).

    You know what I am sick of? Hearing people like you bitch and moan about how they hate AMD, on an article *about* AMD. Is your butt hurting you hun? Don't you have some crippled kids you have to go beat? Shoo.
  • sleekz - Thursday, May 2, 2013 - link

    Priced cheaply, but they don't match price/performance wise. Price is not a valid argument against intel.
  • Abdussamad - Monday, August 12, 2013 - link

    Do the math on electricity consumption and you find it is not priced decently at all. Let's say you run a system with an idle FX 8350 for 8 hours a day everyday for 5 years and electricity costs you $0.16 per kwh:

    (( 8 hours * (74.2 - 57.5) * 365 days * 5 years ) / 1000) * 0.16 = $39

    (74.2 - 57.5 is the difference in idle power consumption between an fx-8350 and i5-3570)

    So add $40 to the price of the FX 8350 before you do a comparison. More if you run your system 24/7.
  • lostinspacex - Wednesday, November 13, 2013 - link

    duuude its 40 dollars in 5 years, you spend more going to a restaurant once , and u are multiplying watts with kilowatts xD, basic math mistake
  • chekk42 - Wednesday, November 13, 2013 - link

    Look closer. The math is correct. However, yes, $40 over 5 years is not really a concern.
  • ninza228248 - Monday, April 14, 2014 - link

    After 5 years add $40 to AMD and you will get mind blowing processor compared to Intel Core i5-3570 or any intel processor after 5 years in that price bracket...

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