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BIOS issues and other concerns are addressed

Anandtech was able to score a second session with Intel's Conroe and an overclocked AMD FX-60. Some concerns and issues were raised concerning the first test, so Anand addresses them with this update.

The performance picture with regards to Conroe hasn’t really changed all that much - on average we’re still seeing a bit over a 20% increase in performance over an overclocked Athlon 64 FX-60.  While it’s worth noting that these results should be taken with a grain of salt, we really were not able to determine any cause for suspicion based on Intel’s setups.  The machines were as clean as they could get, with the BIOS oversight having no tangible impact on most performance.

After this second round of tests, there doesn't appear to be anything malicious or underhanded going on Intel's part. The BIOS had little to no effect on performance and the Conroe still comes out on top. Now all we have to do is wait for AM2 Athlons.


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Understanding.
By shabodah on 3/9/2006 12:34:45 PM , Rating: 2
I certainly understand that their is a significant improvement in performance with these new Intel designs, but I have yet to hear a good explanation as to why. It seems the most significant change is how SSE is processed, and seeminly, this would account for the breakthrough performance of the design, but nothing else seems to be updated in a meaningful way. Still FSB bottlenecks are going to be a bandwidth issue with more and more cores, right? Anyone have a in-depth explaination?




RE: Understanding.
By Questar on 3/9/2006 12:48:45 PM , Rating: 2
Serveral things have changed:

1. An additional ALU.
2. A new scheduler to take advantage of the ALU.
3. Macro-ops fusion (a new decoder).
4. Greatly massaged ALU's and FPU.
5. Bigger, better cache.

Basically, it's a new design.


RE: Understanding.
By PT2006 on 3/9/2006 9:34:45 PM , Rating: 2
6. Single cycle SSE1-3, plus new SSE instructions (also single stage)


RE: Understanding.
By JumpingJack on 3/11/2006 4:43:48 AM , Rating: 2
What the dramatic jump...what is different...

Comments below are a nutshell response:

Here is a good link -- http://www.intel.com/technology/architecture/corem...

The flash demo is oustanding visual description. The revolutionary items I believe are the Macro/Micro ops fusion, think of this as Hyperthreading along a single thread (serial hyperthreading) through each core. Just watch the flash, you will see what I mean.


"Nowadays you can buy a CPU cheaper than the CPU fan." -- Unnamed AMD executive

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