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The following was from XS, which was from an Anandtech article...
Barcelona Update
Shanghai: What Immediately Follows Barcelona
Quote:
In the second half of 2008, AMD will introduce its first 45nm processor under the codename Shanghai.
Bulldozer
Details on Bulldozer are still limited, but here's a quick list of what we know about the architecture
Quote:
- Not VLIW, still OoO superscalar architecture
- Deeper pipeline than Barcelona/Shanghai
- New x86 instructions targeted at HPC and "media processing"
- increased computational density
- increased flow control capability
- extend SIMD capability targeted specifically at media data types - Hyper Transport 3 will be supported
- The chip will feature 4 HT3 links
- DDR3 support - G3MX Memory Technology
- PCIe 2.0 - IOMMU (Hardware Accelerated I/O Virtualization)
QuoteIn the client desktop/notebook space, Bulldozer will have around 1.3x better performance per watt than Barcelona. AMD also indicated that Bulldozer will deliver as much as 1.5 - 2.0x better performance per watt in the server and HPC space when compared to Barcelona.
Bobcat
Quote:
If Bulldozer is the architecture that will compete with Nehalem, Bobcat is what will compete with Silverthorne. Bobcat is yet another ground up design from AMD, also due out in the 2009 timeframe, but it will address a more power constrained portion of the market. Systems that require a 1 - 10W TDP will use Bobcat, while Bulldozer is limited to the 10 - 100W range (obviously with some overlap between the two).
Fusion
Quote:
the first Fusion CPUs will be built of a single die. On this die you will find the following components: a shared memory controller, Bulldozer or Bobcat based CPU cores, a DirectX GPU core with UVD support, a shared cache (shared between the CPU and GPU), and a PCIe controller - all on the same die.
Bobcat in your iPhone?
Eyeing NVIDIA's Lunch: AMD's New Chipsets
Quote:
Details were scarce about the upcoming RS700 chipset other than the fact it will support DX10 graphics capabilities and include support for HT 3.0, PCI-E GenII, 45nm CPUs, and Avivo HD. This chipset will replace the somewhat successful AMD 690g/V in the low end market in the middle part of next year.
The RD790 will obviously support Phenom, but it will also support what AMD is calling CrossFire 2.0. This enhanced multi-GPU spec will support up to four GPUs working in tandem, although we're not clear what GPUs will be supported in this mode or when. Not to mention whether or not we'll run into the same problems we did with NVIDIA's Quad-SLI and performance.
The ATI R7XX
Quote:
The R7xx GPU will be built on a 55nm process and it appears that, at least on the high-end, there won't be any UVD support. AMD's roadmaps clearly outline UVD as a part of the mainstream R7xx feature set, but the high end platforms are completely missing the checkbox. We'll find out next year for sure if the lack of UVD and Purevideo HD on high end parts will continue.
Final Words
Quote:
Concluding an article like this is very difficult, mainly because we're still waiting for Barcelona to launch and yet we have now talked about its next two successors
. AMD insists that despite Barcelona's delays, its future roadmap will not change. If AMD is able to pull off a Shanghai launch in the second half of 2008, followed by a first half 2009 launch of Bulldozer and Bobcat, we will be quite impressed.
We're sticking to our original take on AMD, it definitely has the roadmap to compete, but we really need to start seeing some actions soon in order to back it up. Roadmaps alone don't make money, as pretty as they may be. And while we hardly ever focus on the financial side of the companies we cover, we can't help but worry for AMD's future given the troubles it has been having recently.
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