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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 213.22+3.4%12:36 PM EST
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To: Joe NYC who wrote (73236)3/4/2002 5:05:06 PM
From: semiconengRead Replies (3) of 275872
 
Petz,
The entire L2 most likely runs at half speed, which is a lot of transistors.
Joe

intel.com

512KB or 256 KB, Level 2 Advanced Transfer Cache
512 KB L2 Advanced Transfer Cache (ATC) is available with speeds 2.20 GHz and 2 GHz. 256 KB L2 ATC is available with speeds 1.30 GHz to 2 GHz. The Level 2 ATC delivers a much higher data throughput channel between the Level 2 cache and the processor core. The Advanced Transfer Cache consists of a 256-bit (32-byte) interface that transfers data on each core clock. As a result, the Intel® Pentium® 4 processor at 2.20 GHz can deliver a data transfer rate of 70 GB/s. This compares to a transfer rate of 16 GB/s on the Pentium® III processor at 1 GHz. Features of the ATC include:

Non-Blocking, full speed, on-die level 2 cache
8-way set associativity
256-bit data bus to the level 2 cache
Data clocked into and out of the cache every clock cycle
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