![]() Why? The P4's NetBurst architecture just plain blows.Īlthough I do agree that the grandparent is wrong-it's just that the only time a G4-to-x86 comparison is valid is when you're comparing a G4 to a Pentium M or Athlon 64 (especially the Pentium M, as the G4 is a 32-bit CPU). Right now, we have 1.8 GHz Pentium Ms beating the crap out of 3 GHz Pentium 4s. Pentium 4s only started outperforming Pentium IIIs when Intel started ramping up the P4's clock speed like mad, pushing it past 2 GHz in a few months, and past 3 GHz not much later than that.Īlso, the Pentium M is very similar to the Pentium III when it comes to architecture-the PM is basically just a jacked-up PIII with lots of cache and lower power consumption. In fact, the Pentium 4 was ridiculed early on because the Pentium 4 was easily outperformed by Pentium IIIs that ran at hundreds of MHz lower. ![]() The Pentium III (especially Tualatin) has a much, much higher IPC than the Pentium 4. The Pentium 4 has one of the worst IPCs of all time. Within OS X Utilities, choose Reinstall OS X. Prepare a clean external drive (at least 10 GB of storage). ![]() The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Actually, if the G4's IPC is similar to the Pentium III, then the G4 is far, far better than an equivalently clocked Pentium 4. Install older OS X onto an external drive.
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