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PS3 8x More Power Hungry Than PS2

MonsieurCreosote writes "The Playstation 3 apparently demands eight times as much electricity as the Playstation 2, and more than twice as much as the Xbox 360. It also consumes much more power than a top-end PC gaming rig. It's not clear what's causing the massive drain, but Sony is now denying reports that the PS3 experienced overheating problems at the Tokyo Games Show last month. From the article: 'While an Intel Core 2 Duo PC with high-end graphics card chews politely on a 160 watt entré, the PlayStation 3 gorges itself on 380 watts... The extra power consumption of the PS3 over the PS2 suggests that we're not really getting much better at designing efficient systems, we're just pumping more 'fuel' into existing paradigms'. Are modern console hardware designers getting sloppy?"

7 of 260 comments (clear)

  1. Why a tax? by XanC · · Score: 2, Insightful

    It's called paying for the electricity.

  2. Re:Green tax by NineNine · · Score: 5, Insightful

    No we don't need another tax. It's called the power bill. You pay for it there. WTF is a "tax" going to accomplish, other than fattening the pockets of politicians, complicating our unbelievably complicated beuracracy even more, and making the poor even poorer?

  3. More power != Less efficient by dextromulous · · Score: 3, Insightful
    The extra power consumption of the PS3 over the PS2 suggests that we're not really getting much better at designing efficient systems
    With the PS2 at 6.2GFlops and the PS3 at 2.18 TFLOPS you're looking at about a 350x performance increase (yeah, I know flops aren't exactly meaningful, but its the only metric I can see right now.) In order for the PS3 to be "less efficient" than the PS2 it would need to consume over 15kW!
    --
    There are two types of people in the world: those who divide people into two types and those who don't.
  4. TFA is wrong... by ivan256 · · Score: 4, Insightful

    If you dig down through the four layers of links to the original source, you will see that they came up with the 380 watt number by multiplying the amperage number with the wattage number on the power supply label. That gives you the peak draw that the power supply is capable of, and probably not even close to average consumption.

    I have a 600 watt power supply in my PC, but even when I'm gaming it drinks in only 250 or so watts of power. The only time it gets even close to the 600 watt mark is for a fraction of a second after power up. I'll bet the PS3 only comes close to 380 watts for about the same amount of time right after powerup.

  5. Supercomputing@Home by AKAImBatman · · Score: 2, Insightful
    Are modern console hardware designers getting sloppy?

    Only if you consider a console with more processing power than older Cray Supercomputers for a fraction of the energy cost to be "sloppy". Let me put that in context to explain what I mean.

    One of the things that Digital pioneered with its Alpha chips was the matter of clocking CPUs at incredibly high speeds (for the time); easily breeching 200MHz. With the fabrication technology of the time, however, such high speeds were found to have major issues with problems like metastability. By upping the amount of power applied to the chip, they found that they could force the logic to switch faster and thus reduce these issues. This research was the basis for modern chip design. The more power you apply, the faster you can clock the CPU. (With various caveats freely sprinkled in.)

    Now put yourself in Sony's place. You decide you want to build the most powerful game console EVER; with cost being no barrier. So you go and pick up this super-computer-on-a-chip technology from IBM. (The Cell) You then ask NVidia for their latest GPU technology to combine with that processor. You then take a look at the system, to decide how high you should clock it. You decide to max out the GPU for MAXIMUM PERFORMANCE. (Who wouldn't?) So you're now chewing upwards of 100 watts just on your GPU. Then you decide that a power friendly 1.5GHz isn't going to cut it in this competitive race. (Especially if you've got spies over at Microsoft, who are reporting back 3GHz chips.) So you look at it, and decide to ramp up for MAXIMUM CPU PERFORMANCE. Now you've got 3GHz, but your CPU is also using 100+ watts.

    So it's really no surprise that the PS3 is consuming so much power. The real issue is whether the super-computer-on-a-chip idea was really the way to go. Some people seem to think so. Some even believe that it's a requirement to hit 1080p resolutions. Only time will prove them out, though. In the meantime, Sony is banking on the consumers being taken with an uber-powerful system. If they'll purchase Aibos and HDTVs, they'll purchase a $600 PS3, right?

    Separate Note: Of course, Sony keeps shooting themselves in the foot. This strategy *might* have worked reasonably well if confidence in Sony was still high. But with people boycotting them over everything from rootkits to Lik-Sang, PLUS Sony's extremely poor E3 presentations, PLUS their general arrogance when handling the public, I seriously doubt that they're going far this generation.
  6. Re:Green tax by avxo · · Score: 2, Insightful

    Better yet, simply educate consumers. They will prefer energy-efficient products, which will result in more energy-efficient products being introduced. Hooray for the free market!

  7. Re:Not fair comparison by HappySqurriel · · Score: 2, Insightful

    The Cell has about 20x the processing power as a Core Duo with a high-end graphics card combined. Add nVidia's RSX.. you're looking at a system which has stayed within the budget (even less) for systems of today.


    Wow ... that is either the dumbest or funniest thing I have read in a long time ...

    The simple fact is that the Cell processor is (probably) very similar in performance to most processors that are similar in size and use a similar manufacturing process; the variations in design will allow for certain trade-offs in performance to be made, but the end result is bound to the same laws of physics as the other processors are.

    Certainly, the Cell will (in the long run) outperform most mid-level PCs that are being released today (2GHz Core-Duo 2 and Geforce 7950GTX) but that is mainly because there will be a greater ammount of optimization for the PS3 than there will be for a PC (being that there are so many combinations of hardware for PCs). If you think the PS3 will outperform a high level PC though (think Quad-SLi) I've got a bridge to sell you.