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Advanced Micro Devices on Wednesday officially introduced its FX-series microprocessors based on highly-anticipated Bulldozer micro-architecture for desktops. Due to late time-to-market, AMD now has to position its code-named Zambezi central processing units for performance-mainstream segment and price the chips at below $250.

“While overclockers will certainly enjoy the frequencies the AMD FX processors can achieve, PC enthusiasts and HD media aficionados will appreciate the remarkable experience that AMD FX processors can provide as part of a balanced, affordable desktop system," said Chris Cloran, corporate vice president and general manager of client group at AMD.

As previously reported, AMD's launch lineup includes FX-8150 ($245), FX-8120 ($205), FX-6100 ($165) and FX-4100 ($115) central processing units with eight, six or four cores. Specifications of the chips are well known. Going forward AMD will add more models into the FX family.

Bulldozer micro-architecture in general as well as Zambezi microprocessors in particular have been anticipated for many years now. In fact, Bulldozer is AMD's first brand-new high-performance micro-architecture since 2003. Unfortunately, since AMD engineers shifted their priorities from instructions per clock and core frequency towards the number of cores this time, eight-core FX "Zambezi" did not manage to outperform Intel Corp.'s high-end Core i7 chips and in certain cases is even slower than the six-core Phenom II X6 CPUs.

"FX processors based on Bulldozer microarchitecture managed to show their strengths only in a small variety of common user tasks. There are very few popular applications, which would generate simple multi-threaded integer load and this is the only case when Bulldozer really performs at its best. As a result, in certain applications the new Bulldozer is not just slower than competitors from Intel, but is even slower than the previous-generation Phenom II X6. And it means that AMD didn’t succeed in launching a revolutionary desktop CPU," said Ilya Gavrichenkov, the CPU analyst at X-bit labs.

Tags: AMD, Zambezi, Bulldozer, 32nm

Discussion

Comments currently: 4
Discussion started: 10/13/11 10:51:29 PM
Latest comment: 10/14/11 12:05:45 PM
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Becouse I am not a gamer, but user of prefessional software, like CAD and content creation. For me FX line looks not bad, of course I expectet more and it's sad that they took so long to release. But is definitely processors for servers and workstations.
P.S And I think this is more "HYDRA" than "BULDOZER"
0 0 [Posted by: kvarta  | Date: 10/13/11 10:51:29 PM]
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2. 
When multithreading and multitasking are very important (for example a server web, database, etc.) then this CPU seam a good choice.

As workstation it may be no so good in many cases: with a reduced number of FPU units may be in disvantage (probably in a CAD too). Interesting things of this architecture may be:

- retrocompatibility (good for upgrades)
- lower cost than intel´s CPUs
- nice and cheap toys for overclockers

For most of the people, probably a Sandy Bridge i5 Quad Core (or i3 dual core too) would be a better choice. The big problem is that there are still so many things not very well optimized for multicore CPUs.

This architecture probably would make more senses when it will be integrated in a strong APU and with just 4 Cores. May become a good mainstream chip when there is no need of a dedicated CPU. Better GPU then Sandy Bridge, and better CPU than Llano.
0 0 [Posted by: Serenico  | Date: 10/13/11 11:25:21 PM]
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- collapse thread

 
Yes it's ineresting how it perform in CAD model creation, and FEA calculations. When they goes cheaper will be nice to try one
http://www.techspot.com/r...ldozer-fx-cpus/page7.html
http://www.tomshardware.c...ldozer-990fx,3043-15.html
0 0 [Posted by: kvarta  | Date: 10/13/11 11:45:50 PM]
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3. 
The new bulldozer architecture is a bit of a risk. Part of the problem is that there are not enough applications developers that really know how to exploit concurrency well. Fortunately there is more technology emerging (i.e. Java 5/6/7/8, Scala, etc.) that make it easier to exploit architectures like bulldozer that have an emphasis on concurrent integer performance over concurrent floating point.

If AMD were smart they would be promoting these technologies to software developers.
1 1 [Posted by: kolotyluk  | Date: 10/14/11 12:05:45 PM]
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