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I don’t know much about semiconductors, but Apple started shipping x86 Macs when Intel had just switched to the Core architecture. I can imagine that Apple didn

I don’t know much about semiconductors, but Apple started shipping x86 Macs when Intel had just switched to the Core architecture. I can imagine that Apple didn’t bother to write for technologies that were present in earlier Intel chips. Apple has only shipped Intel-powered computers with Core and Xeon chipsets (the first gen AppleTV ran on a Pentium M, though). “The Core microarchitecture is a major architectural revision” http://en.wikipedia.org/wiki/Intel_Core_(microarchitecture) http://en.wikipedia.org/wiki/Intel_Core_(microarchitecture)

dragontamer 13y ago
http://windows.microsoft.com/en-us/windows-8/what-is-pae-nx-sse2 http://windows.microsoft.com/en-us/windows-8/what-is-pae-nx-... Microsoft didn't bother either. SSE2 and PAE requirements mean a Netburst or later Intel Chip. (or K8 or later from AMD). So Windows8 requires a relatively modern chip, and ignores the earlier ones. IIRC, Windows 8 and 8.1 take advantage of the new P-States in Haswell / Clover Trail. (And connected standby on Clover Trail definitely shows that Microsoft is working hard on the power problem). I definitely think its an issue with Apple Marketing. Apple is basically selling Y-class processors in their MBA. 1.3 GHz max speed is some 25% slower than the 1.6 GHz that Surface Pros ship with. The Surface Pro also has a superior screen and active digitizer, so it isn't too curious why it would use more power. BTW: Xeon has been shipping for like 15 years. When talking about architectures, it tends to be more precise to use the core architcture names. IE: Netburst (P4), Nehelem, etc. etc. "Xeon", "Core", and "Pentium" are marketing names that barely mean anything technically.
- Samuel_Michon 13y ago
  Thanks, that was very informative.
- vxNsr 13y ago
  I was actually wondering about that... most of these ultrabooks have a Y or U trail which basically translates to underpowered and throttled CPU. Apple doesn't really say which SKU they're using, Microsoft also hides that info. Which kinda makes you wonder...

dragontamer 13y ago

http://windows.microsoft.com/en-us/windows-8/what-is-pae-nx-sse2 http://windows.microsoft.com/en-us/windows-8/what-is-pae-nx-... Microsoft didn't bother either. SSE2 and PAE requirements mean a Netburst or later Intel Chip. (or K8 or later from AMD). So Windows8 requires a relatively modern chip, and ignores the earlier ones. IIRC, Windows 8 and 8.1 take advantage of the new P-States in Haswell / Clover Trail. (And connected standby on Clover Trail definitely shows that Microsoft is working hard on the power problem). I definitely think its an issue with Apple Marketing. Apple is basically selling Y-class processors in their MBA. 1.3 GHz max speed is some 25% slower than the 1.6 GHz that Surface Pros ship with. The Surface Pro also has a superior screen and active digitizer, so it isn't too curious why it would use more power. BTW: Xeon has been shipping for like 15 years. When talking about architectures, it tends to be more precise to use the core architcture names. IE: Netburst (P4), Nehelem, etc. etc. "Xeon", "Core", and "Pentium" are marketing names that barely mean anything technically.

Samuel_Michon 13y ago
Thanks, that was very informative.
vxNsr 13y ago
I was actually wondering about that... most of these ultrabooks have a Y or U trail which basically translates to underpowered and throttled CPU. Apple doesn't really say which SKU they're using, Microsoft also hides that info. Which kinda makes you wonder...