One of our favorite new games is Batman - Arkham Asylum. We set all options as high as they will go and utilize the games built-in benchmark for our results. Both platforms are just stupid fast when running this game.


Batman - Arkham Asylum

The single card results at x8 trails the x16 results by about 1% at stock and 3% when overclocked. Minimum frame rates for the x16 single card results are around 5% better on the P55 platform at stock and 3% when overclocked.

Batman – Arkham Asylum CrossFire Scaling – Average Frame Rates


ATI HD 5870 CF Scaling Batman – Arkham Asylum Batman – Arkham Asylum 4.2GHz
Intel Core i7 920 (X58) 37.7% 62.6%
Intel Core i7 860 (P55) 37.3% 61.7%

At stock and overclocked speeds, both platforms are practically tied when it comes to scaling in average frame rates.

Batman – Arkham Asylum CrossFire Scaling – Minimum Frame Rates


ATI HD 5870 CF Scaling Batman – Arkham Asylum Batman – Arkham Asylum 4.2GHz
Intel Core i7 920 (X58) 2.1% 34.9%
Intel Core i7 860 (P55) 7.1% 33.9%

Minimum frame rates favor the P55 by 6% and scaling favors the P55 by 5% in our stock results, while the X58 is slightly ahead in the overclocking test.

Power Consumption

Both systems have all power management features enabled and we utilize the Balanced Power option in Windows 7. Our 4.2GHz overclock setting has the Core i7 860 VCore offset option enabled with an ending voltage of 1.3875V. VTT is set to 1.310V, CPU PLL at 1.80V, and VDimm at 1.62V. The Core i7 920 offset is enabled for a final VCore reading of 1.335V. VTT is set to 1.375V, CPU PLL at 1.86V, and VDimm at 1.65V.

Idle Power Consumption - Static - Watts

Idle power is Lynnfield's biggest ally and the Radeon HD 5870 plays well here.  Even overclocked to 4.2GHz with a pair of 5870s, Lynnfield uses less power than a single 5870 on an i7 920.  Bloomfield runs at a 12x multiplier at idle while Lynnfield runs at 9x.  Bloomfield also likes to ramp up VTT voltage in a hurry compared to Lynnfield, the result is nearly zero impact at idle power consumption but when Bloomfield is overclocked, the platform just consumes more power thanks to additional circuitry.


Gaming Power Consumption - Static - Watts

Under load, once again, there's virtually no impact from CPU overclocking on Lynnfield compared to Bloomfield.  At stock frequencies however, the GPU power dominates and thus there's less than a 10% power difference between X58 and P55.

The World in Conflict with Battle Forge Quick Thoughts
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  • flade - Friday, January 15, 2010 - link

    I only stick a coputer together every several years so I have to do a lot of fast-track learning in order to keep up with the new razzamataz. Don't get me wrong, I've been fiddling with them since before the first Apples fell off the trees. Probably have more pounds of computer crap in my closet than anybody.

    Now ignoring all the BS from these idiots trying to sell sneakers - I have to say that I ran out of steam somewhere in the middle of the 55 vs x58 and the Lynfield vs the Bloomfield family fued... Like some of you folks waste a whole lot of time bickering about who has the biggest IQ - or wingie. Yeah, well my dual-barreled, high-lift cam crankin hemi under glass will blow your doors off.

    This is a good site. Why don't you friggen macho clowns restrict the chatter to the subject instead of comparing your gizmos.
    Reply
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  • AndyKH - Sunday, October 4, 2009 - link

    I'm a bit confused about the uncore clock frequency. From what I've gathered from all the discussion about the Lynfield having an advantage from the 200 MHz higher uncore clock frequency, I've concluded that uncore clock is represented by the NB (North Bridge?) frequency in the CPU-Z screenshots. But when running at stock speeds, I can't get it to match for the bloomfield: For Lynnfield CPU-Z shows 2.4 GHz NB frequency, but for bloomfield it shows ~3.3 GHz NB frequency! However, according to one of the original articles http://www.anandtech.com/cpuchipsets/showdoc.aspx?...">http://www.anandtech.com/cpuchipsets/showdoc.aspx?... (can't get the http link button to work) about Nehalem, the uncore clock should run at 20x the BCLK ~2.66 GHz.

    So how does all this come together?
    Is the NB frequency really the uncore clock?
    And what about the QPI clock number for Lynnfield, why is that even shown - doesn't Lynnfield completely lack a QPI link, or is the QPI clock used for anything else than actual QPI interface?

    A comment to Gary: I really enjoyed reading the article, but (and this might just show my ignorance because I haven't read every article about the Nehalem architecture) I would really appreciate some kind of walkthrough of the numbers shown by CPU-Z and Everest, where it is explained how the naming of different values relate to the names used in articles about CPU architecture.

    Thanks in advance
    Reply
  • duploxxx - Friday, October 2, 2009 - link

    Really nice testing and effort, but the only way to make such a compare complete is to really use all possible solutions, by adding a 790fx platform you would have brought some real value to all customers and finally get rid of all the possible biased/brand favor comments most sites (and so does anandtech) get all the time. Reply
  • Gary Key - Friday, October 2, 2009 - link

    That is coming... :) Reply
  • blindbox - Thursday, October 22, 2009 - link

    Hearing that makes me give you a two thumbs up in real life :)

    We are still waiting for a better commenting system. I mean, I can't even see my past comments. Can't you integrate with the forums like how TPU did?
    Reply
  • mapesdhs - Thursday, October 1, 2009 - link


    Gary, do you know if there are plans to release a pro equivalent of
    these cards, ie. FireGL or somesuch? I've spent quite a lot of time
    recently helping various places go through purchases of dual quad-core
    i7 XEON systems with FX5800 cards. In every case, the overall focus of
    GPU support from the supplier was on Quadro FX cards, eg. SGI's new
    Octane III doesn't mention ATI FireGL cards at all:

    http://www.sgi.com/products/servers/octaneIII/grap...">http://www.sgi.com/products/servers/octaneIII/grap...

    What has happened to AMD's professional GPU range? Have they given up?

    Ian.

    Reply
  • Gary Key - Thursday, October 1, 2009 - link

    Ian,

    I am waiting on an answer from AMD right now. I heard they would have a new line of Professional cards based on Cypress in Q1, just wanting them to confirm it again. Email me and I can answer you once I have the answer.

    :)
    Reply
  • atmos - Wednesday, October 7, 2009 - link

    Did you hear back on why the ATI folks think the results are so different from the tests with the Nvidia 260 etc cards? Reply
  • capeli - Wednesday, September 30, 2009 - link

    The results are not surprising. Given that the 5870 performs roughly at the level of a 4870x2 it's not surprising that the scaling is more or less the same the 4800 series.

    I'm guessing that Lynfield will start to become a bottleneck with the 5870x2 quadfire/trifire (5870x2 + 5870) setups.

    Personally I went for Bloomfield, because I had great success with my 4870x2 + 4870 setup. Had heat issues that were resolved by adding a better fan to my intake on the side panel. It's a tad noisy, but the performance is superb. So much so that I don't see myself upgrading to DX11 until mid 2010.

    18 months of top notch performance is pretty good for fast moving tech like graphics cards.
    Reply

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