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It's not about the p68 because they made some major changes, and also changed the name so it was the next generation in cpu technology that is how it is in the past, just like sandy bridge is a variant of Nehalem.
http://en.wikipedia.org/wiki/Intel_P6_(microarchitecture)
QUOTE:The P6 architecture lasted three generations from the Pentium Pro to Pentium III, and was widely known for low power consumption, excellent integer performance, and relatively high instructions per cycle.
Nehalem is a variant of core microarchitecture
http://www.google.com/search?num=10...0CBAQBSgA&q=nehalem&spell=1&cts=1271618922156
QUOTE:Nehalem(pronounced /nəˈheɪləm/) is the codename for an Intel processor microarchitecture, successor to the Core microarchitecture
http://www.intel.com/support/processors/pentiumiii/sb/CS-025304.htm
The Intel® Pentium® III processor integrates the P6 Dynamic Execution microarchitecture, Dual Independent Bus (DIB) Architecture, a multi-transaction system bus and Intel® MMX™ media enhancement technology. In addition, the Intel® Pentium® III processor offers Internet Streaming SIMD Extensions, 70 instructions enabling advanced imaging, 3D streaming audio and video, and speech recognition for an enhanced Internet experience. Versions also include an Advanced Transfer Cache and Advanced System Buffering to meet the higher data bandwidth requirements of today's environments. With great performance for the Internet, the connected home, and multitasking environments, Intel® Pentium® III Processors are targeted at the range of mainstream consumer and business users. The Intel® Pentium® III Processor also meets the needs of entry-level workstations and servers.
The Intel® Pentium® III Processor with 512KB L2 cache is available at speeds of up to 1.40 GHz
Features 512KB Advanced Transer Cache with on-die, full-speed level 2 (L2) caches and Error Correcting Code (ECC)
32KB (16KB/16KB) non-blocking, level 1 (L1) cache
Versions that incorporate Data Prefetch Logic (DPL), which anticipates the data needed by the application and pre-loads it into the Advance Transfer Cache, designed to further increase the processor and application performance
P6 Dynamic Execution microarchitecture including multiple branch prediction, data flow analysis and speculative execution
Internet Streaming SIMD Extensions, consisting of 70 instructions that enable advanced imaging, 3D streaming audio and video, speech recognition and an enhanced Internet experience
Intel® MMX™ media enhancement technology
Dual Independent Bus (DIB) architecture increases bandwidth and performance over single-bus processors
Addressability for caching up to 64GB of memory
Data integrity and reliability features such as Error Correction Code, Fault Analysis and Recovery for both system and L2 cache buses
Versions based upon Intel’s 0.13, 0.18 and 0.25 micron manufacturing processes for increased processor core frequencies and reduced power consumption
Fully compatible with existing Intel Architecture-based software
Intel's Pentium® III Processor for Desktop PCs and Entry Level Workstations and Servers
The Intel® Pentium® III Processor family now includes versions up to 1.33 GHz for desktop PCs, as well as entry-level workstations and servers. All are binary compatible with previous generation Intel Architecture processors. Figure 1 summarizes the features of each currently available version.
Intel® Pentium® III 256KB Processor Features
The problem is we don't live in the past, we live in the present, even you said Sandy Bridge is the next generation that is how it is when you live in the present time and look at the new chip names, like northwood, prescott, Conroe,Allendale, Kentsfield,Penryn,Yorkfield, Wolfdale, Nehalem, sandy bridge. There all new and different when it's the present time, you can call them next generation now. However when you look back some of the CPU's they did not have big changes. It's funny how time and prospective play a role.
http://www.google.com/search?hl=en&...hts=&as_occt=any&cr=&as_nlo=&as_nhi=&safe=off
Sandy Bridge is the codename for a processor microarchitecture that is being developed by Intel and is the planned successor to Nehalem. so you could call it successor or next generation. When it will be looked back at in ten years it will only be a successor since you said cores, instructionsc,changes in architecture and die shrink don't mater to you.
http://www.pcper.com/article.php?aid=382
example:Intel Next Generation CPU Technology - Penryn and Nehalem
http://en.wikipedia.org/wiki/Pentium_III
QUOTE:The Pentium III brand refers to Intel's 32-bit x86 desktop and mobile microprocessors .... This modification made them compatible to the latest generation .... Intel Pentium III 1.2 GHz 0.13-micron Tualatin: The Celeron of the Future, ...
http://www.tomshardware.com/reviews/wolfdale-shrinks-transistors,1773.html Intel has recently introduced its latest and greatest product generation: the Core 2 Duo E8000 family, based on the 45 nm Wolfdale dual core
I don't know if your getting this they don't build chips from scratch, it's always from the past learning experiences and design they just tweak it with new ides and sometimes new technology, it's like everything else in the world.
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