It seems there is some problem with your Dell. My IBM T23 notebook, 1.1GHz 
P3, 1Gb ram and XP SP2 gives:
0 tinyBenchmarks
'118738404 bytecodes/sec; 3502103 sends/sec'
'118738404 bytecodes/sec; 3507743 sends/sec'
'118959107 bytecodes/sec; 3465884 sends/sec'
That is quite similar to your iBook even with a slower clock. And the 
bytecodes speed is almost as good as your 3.0GHz P4. Very strange.

My other computer, a P4 HT 2.4GHz 512Mb desktop with XP SP2 gives:
0 tinyBenchmarks
'232515894 bytecodes/sec; 5414097 sends/sec'
'234217749 bytecodes/sec; 5430781 sends/sec'
'234003656 bytecodes/sec; 5456002 sends/sec'
The sends speed seems proportional to the clock when compared with your 
Dell. However, I get almost twice as bytecodes as you do.

I'd like to know the numbers for a G5.

The IBM is three years old. And with the extra battery that fits the DVD 
bay, it still gives me more than 4 hours of battery life. The performance is 
so good that it became my main machine. I only use the desktop for music and 
video (It has silent power supply and cooler, and M-Audio audio card. It 
rocks.)

One of the big advantages of using Squeak is that it makes the whole Intel 
vs. Mac or Win vs. Mac war almost irrelevant. You can buy either. And you 
are not compromising your future. You can switch anytime. Personally I like 
Macs. They are beatifully built. I could switch to a Mac anytime.

Juan Vuletich
----- Original Message ----- 
From: Dean_Swan at Mitel.COM
To: The general-purpose Squeak developers list
Sent: Wednesday, October 05, 2005 6:27 PM
Subject: Re: OFF Topics :: PC-laptop or Powerbook

>On the winXP side, I don't think PIV's are "portable". Pentium-M and PIII
>machines have loger battery life. And the performance is closer to that of
>G4 powerbooks, because there are no G5 powerbooks.

You know, I don't know why Apple and the PowerPC are STILL so wrongly 
characterized.  I have a Dell P4/3.0GHz with 1GB RAM running XP Pro SP2 at 
work (the machine I am using at the moment), and my current personal machine 
is an iBook G4 1.2 GHz with 768M RAM running 10.4.2.

On the Dell:

        0 tinyBenchmarks.

       '121904761 bytecodes/sec; 6356316 sends/sec'
        '120754716 bytecodes/sec; 6339168 sends/sec'
        '120868744 bytecodes/sec; 6350590 sends/sec'


On the iBook:

        0 tinyBenchmarks.

       '92552422 bytecodes/sec; 4149159 sends/sec'
        '92820884 bytecodes/sec; 4161047 sends/sec'
        '92418772 bytecodes/sec; 4121681 sends/sec'

So, let's see, the G4 is clocked at 0.4 * the P4, and yet the iBook 
benchmarks at > 0.65 times the P4 based on sends and up to 0.75 times the P4 
based on bytecodes.  This was using the same Squeak 3.7 image on both 
machines.  I know this is far from a rigorous benchmark, but it is 
reflective of my general experience.

In general, my 1.2GHz G4 iBook feels every bit as fast as my 3.0 GHz P4 
desktop, so I don't see where people are saying that the Mac will be faster 
on Intel, and that Pentium is so much faster than PowerPC.  Based on my 
experience, the G4 iBook outperforms any Pentium latptop and costs at least 
$200 less than an "equivalent" Wintel laptop.

Where is everybody getting their "information" from?

Oh, and battery life - I regularly get over 5 hours out of the iBook.

To the original poster, if you get to pick the machine that your employer is 
providing, for Squeak, I would recommend the Powerbook.  In fact, unless 
there is some software that is Windows only, I would still recommend the 
Powerbook.  If you care about numerical performance, Altivec on a G4 is 
going to beat a Pentium most of the time, not even considering the G5.

Ok, I don't want to fuel a Win vs. Mac fire here, but my opinion is that the 
Powerbook is a much better computer than any Win laptop.  I voted with my 
dollars in January when my Sony P3 laptop became too unreliable to depend on 
anymore (after 4 years).

        -Dean