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John Morris & Sean Portnoy

Core Wars: AMD's eight-core Bulldozer desktop CPUs to be priced around $300, launch at E3

By | May 24, 2011, 4:03am PDT

Summary: It’s been known for some time now that AMD will be releasing eight-core processors as part of its Bulldozer lineup (or, if you prefer, Zambezi), but we just haven’t had any idea how much the company plans on selling them for. Some leaked information has provided an answer: around $300. According to Fudzilla, the top-performing FX-8130P [...]

It’s been known for some time now that AMD will be releasing eight-core processors as part of its Bulldozer lineup (or, if you prefer, Zambezi), but we just haven’t had any idea how much the company plans on selling them for. Some leaked information has provided an answer: around $300.

According to Fudzilla, the top-performing FX-8130P will run at 3.8GHz (4.2GHz in turbo mode) and cost $320, while the FX-8110 octo-core runs at 3.6GHz (4GHz in turbo mode) and will sell for $290. The 8130p has a TDP of 125 watts, while the 8110’s TDP is 95 watts.

How do these compare in price to Intel’s Sandy Bridge quad cores? The 8130p looks like it will square off with the similarly priced Core i7-2600K (but TDP of only 95 watts), and FX-8110 will cost around the same as the i7-2600, which does not come with the unlocked multiplier. However, the Core i5-2500k costs around $60 less; if the 8110 can’t beat it in benchmarks, Intel scores a big price/performance win.

Benchmarking will ultimately decide if the eight-core Bulldozers are seen as a great value compared to Intel’s super-expensive six-core Extreme Edition processors, or if they come up short by being unable to consistently beat the comparably priced 2500k and 2600k. Certainly, offering eight cores for the price of Intel’s four cores looks promising, but we won’t know just how promising until AMD launches Zambezi at E3 next month.

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Sean Portnoy is a freelance technology journalist.

Disclosure

Sean Portnoy

Sean Portnoy is a freelance technology journalist; currently, all work that Sean does is on a contractural basis. Sean has also written corporate communications documents for CA.

Sean does not accept gifts from companies he covers. All hardware products he writes about are purchased with his own funds or are review units covered under formal loan agreements and are returned after the review is complete.

Biography

Sean Portnoy

Sean Portnoy started his tech writing career at ZDNet nearly a decade ago. He then spent several years as an editor at Computer Shopper magazine, most recently serving as online executive editor. He received a B.A. from Brown University and an M.A. from the University of Southern California.
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RE: Core Wars: AMD's eight-core Bulldozer desktop CPUs to be priced around $300, launch at E3
dew111 24th May 2011
@DevGuy_z saneblane is kind of right, kind of not. One bulldozer module consists of a single x86 fetch and decode stage, and two integer execution schedulers. AMD contends that x86 fetch and decode stages spend plenty of time idling, so each module should have close to the performance of two single-threaded x86 cores, at a fraction of the die space. The x86 ISA is ridiculously complicated, so the fetch and decode stage need a lot of circuitry. Since bulldozer makes better use of this circuitry, it should give good performance for die size. Supporting two threads in one core as intel does adds a lot of circuitry, and AMD added much more performance to a module with a second integer engine than you could hope for with simultaneous multithreading.

In any case, we will all see soon enough. But I really don't think it's a coincidence the 8130p is priced close to a 2600k, they should have similar performance (unless AMD is completely insane).
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Thanks for the heads up!
Alansonit 24th May 2011
At a music festival but i'll have to keep an eye out when i get back. Building a new PC in 6 months so the outcome of this will change a lot.
Any idea what socket it'll use? compatible w/ existing AM3s?
@bc3tech

I am wondering the same thing. I have been doing a lot of reading on Bulldozer and the platform looks promising but from what I gather some say it depends on the board and chipset and if a motherboard does update it's BIOS to include support some features like the Turbo Mode may not work and such.

IF anyone has anything more concrete I am interested in knowing. Not that I would upgrade but it would be nice to know if my AM3 Motherboard with the AMD 890FX chipset could upgrade.
@bobiroc There are current AMD chips with Turbo mode (Such as the 1090T). But I have not seen if the socket will change. It would be awesome if I could slap one of these onto my existing board. AMD has been good about keeping sockets around, but I would not be surprised if the socket does change.
@bobiroc

Ditto my 880 board.
@bobiroc

Not sure but if I am reading this correctly then my Motherboard made the list for current support for AM3+

http://event.asus.com/2011/mb/AM3_PLUS_Ready/
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AMD socket compatibility
Joe_Raby 24th May 2011
@bc3tech

It will need to be a Socket AM3+. Existing AM3 motherboards will not be compatible. If you bought a board in the last few months, it will likely (or "should", unless you cheaped out) have an 800-series chipset. You will have to check the specs to see if it's just AM3 or AM3+ though. Boards from last year probably won't be compatible. Most AM3+ boards use black sockets, whereas the older AM3's are white sockets.

All of the new 900-series chipset boards will be AM3+ though, although I don't really know what's different with the 900-series. The 800-series has pretty much everything in it already, except native USB3, but from what I'm reading, even 900-series chipsets won't have USB3 in the main chipset and will still rely on a third-party chip (get one with NEC USB3, because the ASmedia controllers have extremely buggy drivers and will BSOD if you try to install the latest USB Audio filter driver from AMD on the same system)

Also, Llano (A-series) boards use a different socket, but if you're planning on upgrading from a Phenom II AM3 CPU, Llano isn't exactly an upgrade. Llano is designed to replace the Athlon II, and Athlon II systems built by name brands usually use inferior old NVIDIA chipsets. Also, the kinds of customers that buy Athlon II's usually don't upgrade anyway - they just buy new PC's. Llano will be for higher-end, integrated systems. Llano is interesting, because you get a good quad-core processor and really good graphics, so it's almost like building a game-console quality PC (obviously PC graphics can be better than a game console, but Llano hits a nice spot for the mass market).
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hhaha. i just have to laugh, but this whole core core thing is going to work in AMD'S favor.

the 8 core they speak of is actually a a quad core with each core having a 1/8 core next to it. and it can compete with sandy bridge i7 2600k. and don't forget the so called quad core bulldozer chip, which is really a dual core with both core have a "baby core". and that competes with a i72500. the bulldozer has to be the most efficient x86 arch ever.
we just need to know the amount of transitors and the size of the die to be sure of that, but AMD is on a killing spree.
@saneblane

If I have read the information correctly the Bulldozer Platform is going to use Processor Modules. This means in the 8xxx series of these processors there are 4 modules containing two processor cores each. The design allows these cores contained in the module to work better with each other providing more combined power for the single threaded apps while offering better scalability for the multi-threaded apps. I think this is AMD's answer to Hyperthreading which could prove to be a very good answer indeed.
@bobiroc
your right. 2 modules make a core. but the 2 modules aren't the same size, i read that the second module is only about 1/8 or something the size of the first module. if anyone know more about this i would like to know, cause if true. am smelling an "16 core" processor from AMD in the future.
@saneblane I believe these are full cores. Intel's hyper-threading is _closer_ to what you describe but I don't get where you get that 1/8 core business. That said, there is no indication that Bulldog will beat Sandy Bridge in processing power. SB just gets too much done per clock.
@DevGuy_z saneblane is kind of right, kind of not. One bulldozer module consists of a single x86 fetch and decode stage, and two integer execution schedulers. AMD contends that x86 fetch and decode stages spend plenty of time idling, so each module should have close to the performance of two single-threaded x86 cores, at a fraction of the die space. The x86 ISA is ridiculously complicated, so the fetch and decode stage need a lot of circuitry. Since bulldozer makes better use of this circuitry, it should give good performance for die size. Supporting two threads in one core as intel does adds a lot of circuitry, and AMD added much more performance to a module with a second integer engine than you could hope for with simultaneous multithreading.

In any case, we will all see soon enough. But I really don't think it's a coincidence the 8130p is priced close to a 2600k, they should have similar performance (unless AMD is completely insane).
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Why only eight cores?....Sheesh
Dietrich T. Schmitz, ~-~ Your Linux Advocate 24th May 2011
nt
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On die USB 3.0 support?
Smart_Neuron Updated - 24th May 2011
Will there be native USB 3.0 support in this new series of CPU? I remember reading that AMD was supposed to be the first out of the gate with it.
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USB support is not built into the CPU
Joe_Raby 24th May 2011
@Smart_Neuron

You are thinking about the chipset. From what I've read, this isn't happening with the 900-series chipsets either.

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