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Phenom II X6: First Details Of ‘Thuban’ Design Emerge

Phenom II X6: First Details Of ‘Thuban’ Design Emerge
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Well, It Looks The Same…

Last month, Intel launched its first six-core desktop processor, the prohibitively-expensive Core i7-980X. Later in the month, it took the wraps off of its first four- and six-core 32 nm Xeon 5600-series CPUs. So, small and medium businesses are taken care of, as are wealthy video enthusiasts (the segment most suited to thousand dollar hexa-core processors, in my opinion). But what about everyone else? Is there really a need to push more than four cores to the enthusiast market spending between $200 and $400 on a new processor?

That’s a question I’ll be answering before the end of the month, when AMD officially pulls the covers off of its Phenom II X6 family. In the meantime, though, we have some early information on the upcoming lineup that we’re able to share.

Drop-In Ready

Just as Intel crammed Gulftown into the same thermal envelope as Bloomfield, despite a 50% increase in cores and cache, so too is AMD preserving the upgrade path of Socket AM3 (and Socket AM2+, if you’re still using an older motherboard). There’s a big difference, though. Intel made a transition to 32 nm manufacturing, cutting its die size even as transistor count skyrocketed. AMD is still using its 45 nm node on its six-core offerings.

How exactly is AMD able to shoehorn additional complexity onto a die that doesn’t violate the thermal ceiling of its existing platforms? In short, the company improved its process technology by introducing low-k dielectric material in the metal layers, reducing capacitance. The result is less leakage, less power consumption, and less heat.

A New Platform

Of course, just because the Phenom II X6 will drop into an older AM2+/AM3-based motherboard doesn’t mean that’s the direction AMD is going to recommend enthusiasts go. The company announced its Dragon platform last year, consisting of Phenom II X4, a Radeon HD 4800-series graphics card, and its 790-series chipsets. Well, this year the company is unveiling the Leo platform.

What’ll it take to upgrade you from a legendary beast to an astrological sign of the Zodiac? A six-core Phenom II X6 processor, a motherboard based on an 800-series chipset (the 890GX or the upcoming 890FX), and a Radeon HD 5800-series graphics card. Will there be any reason to upgrade your existing AM3 board just to get land under that Leo umbrella? We remain skeptical.

And while pricing on the new CPUs is still undisclosed, insiders have told us to expect complete Leo platforms to cost roughly what Intel is asking for the Core i7-980X (for what it's worth, etailers have purportedly outed AMD's flagship already, a 3.2 GHz part with a 125W TDP priced under $300). Naturally, we’ll need to weigh performance against those price points to determine exactly what you’d be getting for your money. As mentioned, that’ll happen before the end of the month.

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  • 1 Hide
    mactronix , 8 April 2010 19:06
    Its good that these chips will go in a AM2+ socket it means mainstream gamers can experiance highend performance without breaking the bank.
    I have a 775 socket MoBo at the minuite and im seriously considering upgrading to a AM2+ board so i can reuse the DDR2. that saves me £100 and the performance will be as good as anything else give or take a pinch.

    Mactronix
  • 0 Hide
    wild9 , 8 April 2010 23:20
    like mactronix says, I think it's good that AM3/AM2+ users are still covered..in fact I'm astounded they managed to get two extra cores using 45nm. It shows AMD listens to and cares about it's user base..including servers and clusters.

    I think that with money I'd save by not having to buy a new motherboard, I would spend it on the fastest, meanest hard drive I could get..one thing that really annoys me with Windows (especially Vista), is the amount of disk-trashing it does even when it seems to be doing very little. Maybe get a controller card too to get the most out the drive. On most of the AMD and Intel rigs I've built as soon as the anti-malware, anti-virus and other extra's are installed the drive light is seldom off, it gets really annoying sometimes.
  • 0 Hide
    Freezeron , 15 April 2010 16:23
    It's actually really great that I will not have to upgrade my mobo (how's still in cost as much of the high end mobo's of this time).
    But the problem is around the peoples and the sellers who are continuously prevent a customer to go for their pockets and still doing what grandmas yelling around (the oldest id the greatest...no comment).

    @wild9 I'm sure that going into 7 (or linux, which will be preferable but still not gaming) will get you out of a lot of troubles...
    You need to ditch out vista as quickly you can, remember that 7 is vista without the grease and the crappy batch of processes. As usual customers are paying for bad products.Oh and get the 64 edition.
  • 0 Hide
    bobwya , 17 April 2010 06:48
    This sounds pretty good for AMD. Decent clock speed for a 6x core CPU from the green camp. Bring it (the competition) on. If the TDP doesn't cause a motherboard meltdown to China then this sounds like a sweet and cheap solution for video encoding.
  • 0 Hide
    chechak , 21 April 2010 05:41
    bingo 6 cores .... really do we need it
  • 0 Hide
    marney_5 , 22 April 2010 21:47
    POWER!!!!
  • 0 Hide
    silverblue , 27 April 2010 03:31
    Sorry to dig this up again, but isn't it due out today?

    *waits patiently for the first reviews*