first, it had x86-offerings for mobile, desktop, and low- to mid-range server spaces.
they came in various flavors, power requirements, and performance levels, and were wholly adequate for every segment. it is a non-x86 offering natively, but one that could also run x86 binaries.
it's very interesting how it works.) in addition, the efficeon goes a few steps further than either crusoe or c7-m in its design.however, all of these seem to be the original products released back in the day, and they therefore carry the same high power requirements and low performance levels relative to today's chips.the pentium processors, for example, consume 8-15 watts (depending on model), yet provide only a fraction of the performance seen by either via's or transmeta's more modern offerings. these older processors would be ideal solutions for embedded applications if they were brought up to modern processes; they have very few transistors and could operate fast enough to make them desirable.the itanium ran them at such poor performance levels, though, that one might as well not have even bothered (their performance was comparable to a 133mhz pentium while running on an 800 mhz core frequency).(it's worth noting that, since that time, intel has completely done away with hardware-level x86-support on the itanium platform, and now uses something it calls a 32-bit emulation layer, which is a software emulator running in native itanium code designed to translate x86-based binary programs into itanium-compatible computer instructions.
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the downside is that the cpu contains only the cpu core and not any of the logic present on the motherboard, therefore it requires full motherboard support, which eats into the power budget.