Application and Futuremark Performance

Intel's Core i7-2700K is a relatively known quantity, as we've reviewed systems with overclocked Sandy Bridge processors in them many times before. Suffice it to say, the iBUYPOWER Erebus GT should prove to be plenty fast where the CPU is concerned. As mentioned previously, the AMD Radeon HD 7970 is also the fastest single-GPU card currently available, giving the Erebus GT a substantial amount of graphics horsepower without the potential headaches of a multi-GPU solution. Finally, the SandForce-based SSD should carry the Erebus GT the rest of the way in our PCMark benches (though 240GB SF-2281 SSDs would benchmark slightly faster thanks to the additional NAND die).

Futuremark PCMark 7

Futuremark PCMark Vantage

3D Rendering - CINEBENCH R10

3D Rendering - CINEBENCH R10

3D Rendering - CINEBENCH R11.5

Video Encoding - x264

Video Encoding - x264

All of the results line up pretty much exactly where you'd expect. The Erebus GT's 4.6GHz overclock on the i7-2700K allows it to hang with AVADirect's system, while benchmarks that benefit from more than four cores (and eight threads) allow Gulftown and Sandy Bridge-E to shine. The PCMarks continue to dance around the differences between SSDs, but the Erebus GT is still in the ballpark, right where it should be. Just about any of the above systems will prove to be plenty fast for most applications.

Futuremark 3DMark 11

Futuremark 3DMark Vantage

Futuremark 3DMark06

3DMark06 remains essentially CPU-limited while the multi-GPU solutions beat AMD's single-GPU Radeon HD 7970 once the workload shifts to the graphics subsystem. While we would never judge a GPU solely by 3DMark scores, the 7970 still proves its worth by placing well ahead of the GTX 580, a pattern which repeats itself when we get to the gaming benchmarks proper.

Introducing the iBuyPower Erebus GT Gaming Performance
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  • JarredWalton - Thursday, March 15, 2012 - link

    You're still missing the point. All I'm saying is you get a good case (estimate of $150 for the case in the Erebus GT), you get about $500 worth of water cooling (minimum), and you left of Windows. Take your $1567, add $99 for Windows, add $150 for a comparable case, and price everything out at Newegg and you get $1850. Is it that hard? Now, take that price and add $500 in water cooling and you end up at $2350, giving them an additional profit of $150 plus their markup over wholesale. Reply
  • seanleeforever - Thursday, March 15, 2012 - link

    you are an editor, and i am sure you have reviewed many, many system in the past.

    if you think that water cooling system used cost 500 dollar when ZALMAN RESERATOR can be had for 200, i have an island to sell.

    by the way, i did throw in a water block just for GPU reference, and of course you missed it.
    Reply
  • JarredWalton - Friday, March 16, 2012 - link

    A CPU water block isn't the same as what is included here. I linked the items in the article, but here's what you need:

    CPU water block
    GPU water block (compatible with 7970)
    3x140mm fans and radiator
    1x120mm fan and radiator
    Couplings
    Tubing
    Water pump

    The Zalman Reserator gives you several of those items, but it doesn't have a 3x140mm radiator and it doesn't have a GPU water block. FYI, the GPU water block is about $135 just on its own. So, Zalman Reserator is around $240, plus $135 for the GPU cooling, and then there's still a question of whether it cools as well as the solution iBUYPOWER used. Honestly, I don't know if it's better or worse, but generally speaking more expensive water cooling equipment costs more because it's better.

    What you're basically saying is if I were to discuss the pros and cons of a Honda Accord (or Toyota Camry), and then you come along and say, "If you think a mid size sedan costs $25000 when a Kia Forte can be had for $17000, I have an island to sell." Go do some real research into the topic and then show me a complete water cooling solution that will handle both the CPU and GPU and has a large radiator that costs $200.
    Reply
  • Death666Angel - Thursday, March 15, 2012 - link

    "PSU achieve maximum efficiency at around 50% load." And that is fine if all you do is game. But if you do something else (which is likely), your idle wattage is (far) below 100W in most cases with SB and 7970 and the efficiency drops off sharply below 20%. And "headroom"? For what? Unless you plan on going SLI/CF or dual CPU, I wouldn't recommend more than a good 600W PSU for any single GPU/CPU system. Even highly overclocked 4.5GHz SB with a highly overclocked 7970 will not draw more than 500-550W which means the PSU needs to supply 450-500W for that. Reply
  • seanleeforever - Thursday, March 15, 2012 - link

    that's a good point. but as a high end gaming machine that cost over 2.5k, i doubt use it for office work is the primary intention.

    bear in mind, it is 2.5k system. it ought to have head room for anything i want to throw at. it is like spending 250k dollar in a car, it better has 700 house power EVEN if it is more wasteful driving around downtown than 1.8L corolla.
    Reply
  • Nfarce - Thursday, March 15, 2012 - link

    Dude, you need to find yourself a girlfriend or something. What a whiny bitch. Sheesh. Reply
  • seanleeforever - Thursday, March 15, 2012 - link

    b word already? that shows your education level. i don't care if you want to have the last word. Reply
  • Minion4Hire - Thursday, March 15, 2012 - link

    seanlee, I think what you're trying to say is that you are not personally impressed/interested in custom watercooling and would rather save your money and deal with higher temps/noise. But that entirely misses the point entirely of a direct comparison. You are making sacrifices with your rig while the reviewed system does NOT. That's fine, but you present a piss-poor argument. One you should never have even attempted to make.

    Just... no.
    Reply
  • seanleeforever - Thursday, March 15, 2012 - link

    i am not impressed at all. and with 1000 dollar you can get much better water cooling solution and case.
    what did i sacrifice my rig with?
    and your pissing comment doesn't even have an argument to make.

    just .. no.
    Reply
  • Seanleeisdumb - Friday, March 16, 2012 - link

    I created an account just to tell you that you are dumb Seanlee. We all know that we could squish more performance out at a lower price or could build a higher performing machine at the same price. This build is about quality and about high end features and the relatively reasonable price Ibuypower is asking. We all know that Toyota makes Lexus and we all know that when you buy a Lexus for 75k you aren't getting three times the car that a civic is.. that's not the point. The point is that this is a pro-assembled custom build with some nice bells and whistles.. when you compare it to what other builders are charging it's a steal.
    Also... single card is sooooo much better than SLI.. I run my own business doing custom builds and have stopped offering multi-card setups because of the headaches they cause my clients.
    Reply

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