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Is Overclocking Over?

MrSeb writes "Earlier this week, an ExtremeTech writer received a press release from a Romanian overclocking team that smashed a few overclocking records, including pushing Kingston's HyperX DDR3 memory to an incredible 3600MHz (at CL10). The Lab501 team did this, and their other record breakers, with the aid of liquid nitrogen which cooled the RAM down to a frosty -196C. That certainly qualifies as extreme, but is it news? Ten years ago, overclocking memory involved a certain amount of investigation, research, and risk, but in these days of super-fast RAM and manufacturer's warranties it seems a less intoxicating prospect. As it becomes increasingly difficult to justify what a person should overclock for, has the enthusiast passion for overclocking cooled off?"

21 of 405 comments (clear)

  1. First post! by Anonymous Coward · · Score: 5, Funny

    Why? Because I've overc locked, so I'm faster than y'all!

  2. No by iB1 · · Score: 5, Insightful

    Overclock your smartphone or tablet instead

    1. Re:No by robthebloke · · Score: 5, Insightful

      which kinda defeats the point of the industries drive towards more efficient devices with longer battery life. I overclocked my netbook once. Most pointless thing I've ever done. It's now underclocked to eek out a little more battery life.....

    2. Re:No by Anonymous Coward · · Score: 5, Interesting

      I overclock my nook color from 800 mhz to 1200 mhz. I overcock my phone from 1 ghz to 1.4 ghz. My phone CPU's voltage doesn't change one bit and my Nook Color's CPU voltage is mildly higher. The CPU is far and away one of the least power consuming components of these devices -- the NC's screen uses around 1W and the cpu about 35mW. Unless you're overclocking the LCD, it the change in battery life is infinitesmal.

    3. Re:No by DeathToBill · · Score: 5, Informative

      Your logic is wrong.

      Every time a FET switches, it requires a certain number of electrons to move to or from the gate to create an electric field in the substrate to open or close a conducting pathway. This is a current flowing through a reistance and it dissipates power as heat. Assuming that the leakage current on the gate is very small compared to the switching current, the energy required to switch the FET (call it Es) is constant regardless of the clock speed. So the power dissipated by each FET (call it Pf) is:

      Pf = Es x fc

      where fc is the clock frequency in Hertz.

      Why do you suppose that frequency scaling is an effective way of saving power?

      --
      Slashdot - News for Nerds, Stuff that Matters, in ISO-8859-1 Has just realised that beta makes this signature redundant
    4. Re:No by StripedCow · · Score: 5, Funny

      That's why you should have overclocked your battery too.

      --
      If Pandora's box is destined to be opened, *I* want to be the one to open it.
    5. Re:No by Anonymous Coward · · Score: 5, Funny

      I overcock my

      And that little slip right there says everything about the reasons for overclocking.

    6. Re:No by Anonymous Coward · · Score: 5, Informative

      I'm sorry that you have barely passed EE 101 a week ago. The information you have is very inaccurate and quite outdated.

      In modern CMOS geometries, a large amount of power is wasted on leakage. That means that while the dynamic power scales linearly with frequency (at a constant voltage), the static power (leakage) does not.

      However, if you *can* overclock significantly at a constant voltage, there probably is power headroom the manufacturer did not use properly, or expected the devices to be unreliable with reduced voltage at the original frequency. Dynamic voltage scaling is not new.

    7. Re:No by justsayin · · Score: 5, Funny

      Maybe his l key is sticky? I wont go into any valid reasons for sticky keys,...

    8. Re:No by gmarsh · · Score: 5, Informative

      Actually, voltage matters substantially.

      The gate of a FET is effectively a capacitor. Even with the FET in the on state, if you keep increasing the gate voltage it'll still keep taking electrons. And like a capacitor, energy stored in a FET gate = 1/2*C*V^2. You also have source/drain and gate/drain (miller) capacitance - source/drain has to be discharged (another 1/2CV^2 loss) and the miller capacitance has to be discharged and then charged at the opposite polarity (a CV^2 loss).

      Overall, neglecting leakage current, power loss is proportional to frequency, but it's also proportional to voltage squared.

      Power loss is also proportional to transistor count, which is why ARM is such a low power processor.

    9. Re:No by Anonymous Coward · · Score: 5, Funny

      My ex-wife overcocked and ended up divorced because of it.

  3. It's not dead, it's fun! by X-Power · · Score: 5, Informative

    For me, It's fun and I could care less what some dude did with liquid nitrogen.

    First computer, I just used Asus Overclock and felt I got more for my money.
    Second computer, I started fiddling with manual settings.
    Third computer I pushed it until I couldn't get rid of the heat with air cooling.
    Fourth and current computer, water cooled and running awesome (6 cores at 4.3 GHz).

    Each time I felt the progress, it's like leveling your character, but the character is you, and the game is real life!

    1. Re:It's not dead, it's fun! by Kevin108 · · Score: 5, Insightful

      Morons with no actual understanding of the language say "could care less." It's just that there's a lot of them.

      --

      It's a perfect time for being wasted.
      A perfect time to watch the stars.
      - Burden Brothers, "Beautiful Night"
    2. Re:It's not dead, it's fun! by VinylPusher · · Score: 5, Funny

      All I do these days if I'm feeling daring is activate the 'high performance' power profile in Windows.

  4. Maybe, maybe not... by RogueyWon · · Score: 5, Interesting

    From a gaming perspective (typically one of the big drivers of overclocking), a few factors that might argue "yes, it's over":

    1) For quite a few years now, PC games haven't been forcing the kind of upgrade cycle that they did over the previous 20 years. When Crysis appeared in 2007, it was a game that gave many people an "upgrade or don't play it choice". And after that... the industry retreated. Consoles were the primary development platforms at the time and few PC games pushed significantly past the capabilities of the consoles. Not only did we not see any games more demanding than Crysis, but the vast majority of PC games released were substantially less demanding. As a gamer, if you had a PC that could run Crysis well, you did not need an upgrade. This situation lasted 4 years.

    2) Performance has become about more than clock-speeds. The main advances in PC gaming technology over the last few years have come from successive versions of directx. You can't overclock a machine with a directx 9 graphics card so that it can "do" directx10. Same goes for dx10/11.

    3) As the entry barriers to PC gaming get lower, the average knowledge level of users fall. PC gaming is, in general, easier and more convenient than it has been at any time in the past. Pick up an $800 PC, grab Steam and off you go. If you just want to play games and are using an off-the-shelf PC from a big manufacturer, you don't need to worry about switching around graphics drivers, sorting out hardware conflicts or any of the other little niggles that used to make PC gaming such a "joy". You can even find cases where PC gaming is easier than console gaming; the PS3, with its incessant firmware updates and mandatory installs has taken us a long way from the "insert game and play" roots of console gaming. People who are new to PC gaming just won't be coming from the kind of mindset that even considers overclocking as something you might even remotely want to do.

    4) Among "old school" PC gamers, I think there's been a growing recognition that overclocking has its downsides as well. In an economic downturn, when money is tight, you don't necessarily want to go risking a huge reduction in the lifespan of your expensive toys.

    That said, there are a couple of factors that might argue the other way (closely connected to the earlier arguments):

    1) System requirements are finally on the move again. After years in stasis, 2011 has seen the release of a number of games with equivalent or higher requirements than Crysis. Bulletstorm started the trend, but Battlefield 3 and - to an even greater extent - Total War: Shogun 2 have really started to push the envelope on PC hardware. A lot of developers openly admit to being bored with console hardware. Even though they still get most of their sales from the consoles, they are using the PC to push beyond what they can achieve there, both to get their studio noticed and to get themselves ready for developing for the next round of console hardware.

    2) The downturn also means that people feeling a squeeze on their budgets may be looking to get as much bang for their buck in terms of performance as possible. If you think that your new, overclocked PC will last long enough that you will be able to afford a replacement when it does start to give out, then why not take the risk?

    1. Re:Maybe, maybe not... by ripdajacker · · Score: 5, Insightful

      I think you're right. I've overclocked my i5 750 from 2.66 to 3.15, and the speed increase is.. well hard to spot. In benchmarks I certainly see it. It was much easier to do than in the good old days where it was jumper settings.

      I think the gist of it, at least for me, is that there's fun in it anymore. I have relatively high end gear, at least at time of purchase, and it all basically guides you to overclocking. It's not as bad ass as it used to be.

      This may be a bit biased since I now have much larger sum of disposable income compared to when I was overclocking.

  5. Most people don't understand that it's a bad idea. by Toasterboy · · Score: 5, Informative

    Look, digital electronics are still subject to analog limitations. When you overclock, you squeeze the hysterisis curve, increasing the probability that your chip incorrectly interprets its the state of a particular bit as the opposite value. i.e. you get random data corruption. This is why you eventually start crashing randomly the more you overclock.

    While overclocking a chip that has been conservatively binned simply to reduce manufacturing costs but is actually stable at higher clock rates is reasonable, trying to overclock past the design limits is pretty insane if you care at all about the data integrity. Also, you tend to burn out the electronics earlier than their expected life due to increased heat stress.

    I never overclock.

  6. Competitive Overclocking != all Overclocking by Anonymous Coward · · Score: 5, Informative

    That's like saying competitive soccer going broke would impact on EVERYONE EVER from playing soccer with their friends.

    Not everyone overclocks to beat a record.
    Hell, "overclock" a toaster if you have to. 2 second cold toast anyone? (the best toast)
    But really, there are still plenty of things you can overclock to beat records, such as what iB1 mentioned up there, overclock a smartphone or tablet.
    Overclock a Beagleboard, or a Raspberry Pi when it comes out, Arduinos. All these compact computers are pretty much sitting around waiting to be hit by the overclocking spirit.

  7. Gains aren't there by DNS-and-BIND · · Score: 5, Insightful

    In the days of the 300MHz Celeron, you could overclock it to 450MHz and gain 50% improvement. That extra 150MHz represented several hundred dollars straight to Intel, which you kept in your pocket by overclocking. These days, a few percent? It's just not worth the trouble any more.

    --
    Shutting down free speech with violence isn't fighting fascism. It IS fascism!
  8. Can't notice the difference anymore by dan_barrett · · Score: 5, Insightful

    I think CPU speed is less of an issue these days; eg Core2 onwards processors are generally "fast enough" for most users.
    Compare the change in noticeable speed between a 386 and 486, or even Pentium vs Pentium 2 or 3, to today's Core2/Athlon vs Core i5/Phenom.
    Most people don't notice the jump in CPU performance on modern processors.

    The other traditional bottlenecks are rapidly disappearing too, eg a midrange Directx10 graphics card is good enough to play all but the most demanding games these days, and memory and disk speed and capacity are generally outpacing most people's demand.

    People will still overclock for the challenge of it, but I think there's no tangible day-to-day benefit anymore.

    As someone above mentioned, the real performance battle has moved to portable devices, eg how much performance can you get from a tablet or phone, given a fixed battery capacity?

  9. I bet you're the life and soul of a party by Viol8 · · Score: 5, Funny

    [Sultry babe walks up]
    "Hello, and what do you do?"

    [nasal voice]
    "I compile distros all day. Yes, did you know that Slackware on average compiles 20% faster than Debian for 64 bit but if I overclock my Core i7 by raising power rail voltage and tweeking the quantum flux capacitor.... hello, where are you going..hello? Hey, come back, did I mention its a 2600K? Hello?"