2 ms·

> clocking the processor down Nitpick, and certainly a matter of definition, but it's not clocking the processor down, it's just unable to turbo like it can wi

• DannyBee 10y ago
  Err, no, actually. it really is clocked down, and that's what intel says. There is the normal base frequency (which is, again, the one people see on the box. Intel calls it "marked TDP frequency") There is the avx base frequency, which is less. If you execute all avx workloads, it will clock down to the avx frequency, which is below the marked tdp frequency. They are very explicit about this: "Workloads using Intel AVX instructions may reduce processor frequency as far down as the AVX base frequency to stay within TDP limits." See http://www.intel.com/content/dam/www/public/us/en/documents/white-papers/performance-xeon-e5-v3-advanced-vector-extensions-paper.pdf http://www.intel.com/content/dam/www/public/us/en/documents/... IE if you buy a 2.3ghz processor, and run all avx workloads on it, it may operate at 1.9ghz