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Old 04-23-2007, 11:59 PM   #11
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Default Re: New AMD Barcelona Quad-Cores 50% faster than Intel's Xeon Quad-Core

Yeah, Penryn is a die shrink. I can't wait to see Nehalem though. Completely new architecture.
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Old 04-24-2007, 01:59 AM   #12
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Default Re: New AMD Barcelona Quad-Cores 50% faster than Intel's Xeon Quad-Core

Barcelona will handle Kentsfield and Penryn.

Core Enchancements:

128 Bit floating point:

* Applies only to Agena & Kuma


New SSE4A instructions:

* Advanced Bit manipulation
* MWAIT & MONITOR instructions
* Misaligned SSE Mode

Additional Features:

* Power management state invariant time stamp counter (TSC)
* increased number of TLB Page entries
* 1GB large paging support
* Physical address space increased to 48 bits

IMC Enhancements

DDR2 Dimms in products variations:

* Socket AM2+: Dual Channel unbuffered 1066 support
* Socket 1207+ Dual Channel unbuffered 1066 support

Memory Controller enhancements

* Write Burst & DRAM prefetching performance improovements
* DRAM writes can be buffered in the memory controller before being opportunistically bursted into DRAM controler to improve DRAM interface efficiency
* Read prefetcher detects stride paterns and issues prefetch requests based on confidence level
* Channel Interleaving

Roadmap:

Agena FX:

Q3 2007:
2.7-2.9GHz
2MB L2 total L2 cache for the CPU (quad core so 512KB each core)
2MB shared L3
Socket 1207+
4000MHz hypertransport Bus
TDP not determined yet
65nm SOI

Agena:

Q3 2007:
2.4-2.6GHz
2MB L2 total L2 cache for the CPU (quad core so 512KB each core)
2MB shared L3
Socket AM2+
4000MHz hypertransport Bus
TDP 125W
65nm SOI

Kuma:

Q3 2007:
2.0-2.9GHz
1MB L2 total L2 cache for the CPU (dual core so 512KB each core)
2MB shared L3
Socket AM2+
4000MHz hypertransport Bus
TDP 89w - 65w
65nm SOI

Source: http://www.chilehardware.com/foro/ro...4.html?t=59414
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Old 04-24-2007, 11:54 AM   #13
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Default Re: New AMD Barcelona Quad-Cores 50% faster than Intel's Xeon Quad-Core

I hope AMD puts Intel back in the bucket, I always been a AMD fanboy.

Even when Intel is whipping there but right now!
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