Intel has 4 processor lines
Just a quick note: Intel has four different processor lines -- or four different "microarchitectures". All Intel processors support the x86 instruction set externally, but have very different microarchitectures internally.To start with is their mainstream processor in desktops, notebooks, servers, and supercomputers. This accounts for the bulk of their business, and what we think of as an "Intel processor". The latest version of this microarchitecture is "Broadwell". Previous versions have been Haswell, Ivy Bridge, Sandy Bridge. It's sold as the Xeon, Core i7/i5/i3, Pentium, Celeron, etc.
Then there is the low power processor to compete against ARM in cellphone devices known as the "Atom". There are have been two radically different versions of this processor. The older version of the microarchitecture from 2008 was known as "Bonnel", and it kinda sucked (dual-issue, but in-order). The newer version of the microarchitecture, "Silvermont", is out-of-order, and is much better. Atom processors are just as power efficient as ARM processors. Indeed, many phones use them without people really being aware of the difference. I point this out because there is a widespread misconception that ARM processors are more power efficient than Intel processors. Note that all these processors are 64-bit internally, though Continue reading
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