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PowerColor LCS AXR9 290X: Water Makes Hawaii Comfortable

Results: Arma 3

The 60 MHz advantage wielded by PowerColor’s LCS AXR9 290X shows up at 4800x900 and 5760x1080 using Arma 3’s standard quality preset. At 1920x1080, the results aren’t as consistent.

Minimum frame rate isn’t a problem when you play at this title's standard preset using such powerful graphics hardware.

Arma 3’s Ultra preset appears to make 1920x1080 results somewhat more relevant, though.

Performance drops to around 30 FPS for all four configurations at 5760x1080, raising the question of whether the game can actually be played smoothly at this combination of high resolution and the Ultra detail preset.

Our frame rate over time chart shows that 5760x1080 really is playable on a single card, if barely.

  • AMD Radeon
    really? $800?
    $100++ from GTX 780 Ti
    http://pcpartpicker.com/parts/video-card/#sort=a7&qq=1&c=153
    Reply
  • Crashman
    12815459 said:
    really? $800?that's more than $150 from Asus DCU II?rel=ugc]http://pcpartpicker.com/parts/video-card/#c=146&sort=a7

    It has a $150 cooler (including the back plate, etc).

    Of course Asus has a special cooler too. But Asus had the opportunity to drop its price, and the 290x has indeed dropped by $50 to $100 in the past two weeks. Supply is catching up with demand.

    Unfortunately for PowerColor, its LCS 290X has been out-of-stock for more than two weeks. So they get stuck with prices that are at least two weeks old, at least until someone gets new inventory and lowers their price.

    Sucks to be them, they should have restocked their sellers more quickly :)
    12815459 said:
    really? $800?
    $100++ from GTX 780 Ti
    But?rel=ugc]http://pcpartpicker.com/parts/video-card/#sort=a7&qq=1&c=153
    But it's still cheaper than a water-cooled 780 Ti :)
    Reply
  • outlw6669
    Great review Tom!

    Did you happen to notice any variability under load for your core speed while overclocked on the LCS card?
    I have a Sapphire Tri-X OC R9 290X that is rock solid at its stock 1040MHz, but that starts bouncing the core clock all around when any core overclocking is applied.
    With my quiet fan curve, load temps top out around 85°C; well below AMD's specified throttle point of 95°C.
    If your liquid cooled cards are solid at 1200MHz, I am curious if Power Tune starts to throttle in a less severe way after going above 70- or 80°C.
    Reply
  • AMD Radeon
    12815459 said:
    really? $800?that's more than $150 from Asus DCU IIIt?rel=ugc]http://pcpartpicker.com/parts/video-card/#c=146&sort=a7
    It has a $150 cooler (including the back plate, etc).Of course Asus has a special cooler too. But Asus had the opportunity to drop its price, and the 290x has indeed dropped by $50 to $100 in the past two weeks. Supply is catching up with demand.Unfortunately for PowerColor, its LCS 290X has been out-of-stock for more than two weeks. So they get stuck with prices that are at least two weeks old, at least until someone gets new inventory and lowers their price.Sucks to be them, they should have restocked their sellers more quickly :)
    Thanks for the explanation, very good review overall :)btw sorry I edited my comment before you posted
    Reply
  • TheDane
    Sapphire R9 290X Tri-X is (very) silent, cheaper, doesn't required a W/C setup, and installation is much easier. Also the LCS card here requires a wide case due to its height!
    Reply
  • Crashman
    Great review Tom!Did you happen to notice any variability under load for your core speed while overclocked on the LCS card?I have a Sapphire Tri-X OC R9 290X that is rock solid at its stock 1040MHz, but that starts bouncing the core clock all around when any core overclocking is applied.With my quiet fan curve, load temps top out around 85°C; well below AMD's specified throttle point of 95°C.If your liquid cooled cards are solid at 1200MHz, I am curious if Power Tune starts to throttle in a less severe way after going above 70- or 80°C.
    Power throttling occurs under Furmark and not much else, and can be eliminated by increasing the power threshold.
    12815581 said:
    Sapphire R9 290X Tri-X is (very) silent, cheaper,
    ...and toasts your CPU. Please read the first page of this review, thanks!
    Reply
  • outlw6669
    12815634 said:
    Power throttling occurs under Furmark and not much else, and can be eliminated by increasing the power threshold.
    Odd, this happens with a +50% power limit and tested with the Metro Last Light benchmark :/
    Thanks for confirming that your test card was not throttling; back to troubleshooting my setup!
    Reply
  • Crashman
    12815667 said:
    12815634 said:
    Power throttling occurs under Furmark and not much else, and can be eliminated by increasing the power threshold.
    Odd, this happens with a +50% power limit and tested with the Metro Last Light benchmark :/
    Thanks for confirming that your test card was not throttling; back to troubleshooting my setup!
    Remember that the LCS test card runs cooler than an air-cooled card, and that lower temperatures significantly lower power consumption :)
    Reply
  • outlw6669
    12815705 said:
    Remember that the LCS test card runs cooler than an air-cooled card, and that lower temperatures significantly lower power consumption :)

    Good point; I will have to retest with a cooler fan curve.
    Not sure if this will be the issue though as even a 20MHz bump to the core, and +50% power limit added to this, causes throttling with under 85°C temps.

    Thanks for the thoughts!
    Reply
  • ddpruitt
    As air temperatures climbed into the 20s (Celsius) inside the case
    Actually with a low room temp it'll still affect results quite a bit. I can push higher clocks in the winter with a lower room temp than in the summer (and forget it when we hit 40C, no OCing unless the Air's cranked up all the way). You might want to retest once you're able to heat up the office to see how the temps are affected (both on the air cooled and water cooled setups).
    Reply