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Hardware AMD Radeon R9 290 Review

Discussion in 'Article Discussion' started by Meanmotion, 5 Nov 2013.

  1. David

    David μoʍ ɼouმ qᴉq λon ƨbԍuq ϝʁλᴉuმ ϝo ʁԍɑq ϝμᴉƨ

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    Epic performance for the price, but too hot and too hungry.
     
  2. GuilleAcoustic

    GuilleAcoustic Ook ? Ook !

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    So the heat vanished ? You'll have to explain that to me, then I'm going to trademark the material and build cars that doesn't heat up during summer. I'm going to be pretty rich.

    How does heater works ? You heat a surface and it irradiates, thus heating the air, no ?

    How does cooler works ? Could it be water, heatpipe or just bare alu heatsink ... you take the heat / wasted energy from the heating point and you take it far away with liquid / air. The heat doesn't vanished.

    GTX780 thermal under load :

    [​IMG]

    R9-290 thermal under load :

    [​IMG]

    R9-290X thermal under load :

    [​IMG]

    Take the same GPU, same speed, same load one with an efficient cooler another one with an inefficient one. If you have, let's say, a difference of 30°C inside the core temp it means that the efficient cooler took 30°C OFF the GPU die, transmitting it somewhere. For sure it WON'T heat up your room, but the area around the case (prolly under your desk) will rapidly heat up during load (just like an hairdrier won't heat your room but will heat a small area around itself).

    EDIT: Higher core temp --> higher heat around the chip, just look at the thermal imagery I posted.
     
    Last edited: 5 Nov 2013
  3. The_Crapman

    The_Crapman World's worst stuntman. Lover of bit-tech

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    I beg to differ. You say 'on average it uses 10w more', what are you basing this on? Using more power for less performance than the 780 would conclude it is less efficient.

    A good way to settle this argument (i hope you're listening here bit-tech), would be to strap an aio watercooler on the gpu of each card and set the fans on it to a set speed. That way the cooling solution for each card is as identical as can be.

    Then, run a benchmark on the 780 and record it's score and max temp. Set up the 290 and x on the same benchmark, setting it's target temp to whatever the max temp of the 780 was and see what score they get.

    That would be the fairest apples to apples comparison you could get that i can think of. So why do you say BT, you game?
     
  4. teppic

    teppic What's a Dremel?

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    I'm basing it on benchmarks of power consumption. I don't just make things up...

    [​IMG]

    Real gaming power use and maxed out stress testing always produce hugely different results.
     
  5. The_Crapman

    The_Crapman World's worst stuntman. Lover of bit-tech

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    Oh how silly of me. I forgot crysis was a stress test not a game....
     
  6. teppic

    teppic What's a Dremel?

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    Those averages in that benchmark were taken running Crysis 2.
     
  7. The_Crapman

    The_Crapman World's worst stuntman. Lover of bit-tech

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    Yes I've seen the tpu figures and also know that their testing methodology is very different. If bt get round to doing my proposed test, they could also include average power consumption. We also don't know how long they run the benchmark for, as when it heats up it throttles back to keep the temps in check, reducing the power consumption. Put on a better cooling solution and it'll keep the clocks and power up, consuming more.
     
  8. teppic

    teppic What's a Dremel?

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    Techspot records much lower power use (300W full system) for Crysis 3, same resolution but even higher settings. With the Titan it pulls 298W, but no 780 figure is provided. The 290 slightly outperforms the Titan though.

    The main point I'm making is that the heat produced isn't related to the core temp. It's not going to heat up the case, it's not going to heat up the room - any more than a similarly powered blower card, that is.
     
  9. rollo

    rollo Modder

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    Core temp does not = heat produced by a card.

    My friend had his 480s under water and the room when those cards were under load was boiling. they were all sub 60c under water. The difference between his 480s and my 580s under water was huge. In the summer months I could game quiet happily. He could not without some form of Air con. All the gpus were within the same temperature bracket.

    Not just blower cards that heat up rooms much to popular thinking. Even under water that heat has to go someplace ( to the rads basically) Those rads have fans on which remove heat which goes into the room shockingly enough.

    new process would indicate this card is sub 28nm its not so dont talk nonesence. 7970 was 28nm.

    Its some new architexture but both have hit the limits of 28nm if this was released in the summer I wonder if peoples oppinions would change. Not everyone has a thermal limited room to run the cards in. On a warm summers day these cards would surely downclock themselves at record pace.

    780ti will be no better in this regard either.

    AMD have made 2 good cards at a good price, Question is will anyone buy one not saw anyone on this site looking at either card. I know someone wants 3 780ti.

    When 680 and 7970 were released was threads on both with people buying them at launch. Not saw that level of popularity for either the 780 / 780ti or the 290x 290.

    Seen alot of vocal support but I wonder if any of those vocal people will actually be owners of the cards they seem to support. As someone once said we speak with our wallets.

    Me personally waiting on 20nm tech and maxwell most likely.
     
  10. GuilleAcoustic

    GuilleAcoustic Ook ? Ook !

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    The PCB exceeds 90°C in some area, and more than half of its surface is above 80°C .... do you really think it won't acts as a little heater ?
     
  11. teppic

    teppic What's a Dremel?

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    No, since if you just stick a big cooler on it which lowers those recorded temps, it'll still be giving out the same amount of heat. Use a quieter cooler with lower core temps that exhausts into the case instead and all of the heat will go into the case, rather than out of the back.
     
  12. David

    David μoʍ ɼouმ qᴉq λon ƨbԍuq ϝʁλᴉuმ ϝo ʁԍɑq ϝμᴉƨ

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    Quite right - the core temp is not the same as the heat the card releases to atmosphere. However higher core temp does mean more heat released.

    TPU points against were:
    Extremely Noisy
    High temperatures
    High power consumption

    The scent of the GeForce FX 5800 Ultra is strong in this one!
     
  13. Parge

    Parge the worst Super Moderator

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    £310 for the same (OC'd) performance of a Titan! Yes please!
     
  14. GuilleAcoustic

    GuilleAcoustic Ook ? Ook !

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    I agree on that ... same amount of heat, just that it goes somewhere else (air instead of core)

    From the back thermal view, the card doesn't exhaust hot air. It's mainly the PCB and components that are heating. Even if AMD says it is OK, I wouldn't gamble on that.
     
  15. Harlequin

    Harlequin Modder

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    they also said the same about the GTX 480....


    didn't stop people buying it.
     
  16. Harlequin

    Harlequin Modder

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  17. greigaitken

    greigaitken Minimodder

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    the press - retail difference looks pretty bad on amd's part...
    I just ordered a 290 and prolimatech cooler so that should keep the card running full blast, however i'll be p1ssed if the retail 290's run much slower than press editions.
     
  18. Neogumbercules

    Neogumbercules What's a Dremel?

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    Don't care about the stock cooler. Mine is in the mail! This thing matches blows with a 780 priced $150 more and beats it at higer resolutions and that's before Mantle comes into play. Plus it really kills the 780 in BF4. The price is fantastic and I don't feel like waiting for more expensive aftermarket cooler versions.
     
  19. AlienwareAndy

    AlienwareAndy What's a Dremel?

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    Man what's the fuss about?

    I bought a stock 7970 at launch. I overclocked it to 1000mhz, it got hot. Consistently in the high 80s with the fan on 100%. The noise drove me bloody crazy, that's the price you pay for a top end ferrari card.

    I also had a GTX 470. It was very hot and very, very loud.

    If AMD were charging Fermi prices for this thing I could understand. I mean Fermi was fast, powerful, hot and loud and used loads of power. It was also expensive, making it completely unattractive. Yet people still bought it.

    This card costs less at its launch than the 5870 did for god's sake, and it's three years or more after the fact and people are complaining? :hehe:

    I think we should be bloody grateful here that AMD don't hire the same brain dead monkeys to price up their products that Nvidia do. I mean seriously, the f*ck?
     
  20. AlienwareAndy

    AlienwareAndy What's a Dremel?

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    Indeedydoodly man. Seriously, I doff my cap to AMD.
     
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