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Old Dec 14, 2007, 05:52 PM   #1
kenmasters
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powermac G4 7447a upgrades are *SLOW*

one of my buddys brought over his upgraded gigabit G4.

we did a few benchmarks with osx 10.4.9

and the results are unimpressive and sickening at the same time!

Xbench 1.1.3...136.53s
Audio cd-rip...332.08s
Ut2004 botmatch..19.8fps

overall his machine apppears to be slower than Owc's 1.5ghz mercury extreme.

his specs are.

2.0ghz 7447a newertech
1.0gb of ram
80gig 7200rpm hdd
dvd-rw
ati-rage 128 pro
osx 10.4.9

i took a peak at the mercury extreme 1.5ghz upgrade noticed its faster in the 3 categories we tested.

is the 1.5ghz really as fast as owc claims?? or is this just marketing?

i will not be buying any 7447 upgrades after seeing for my self.

it now seems the 1,5ghz Mercury extreme is a good value compared to the higher clocked 7447's.
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Old Dec 14, 2007, 05:56 PM   #2
mrkramer
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was the 1.5GHz that you looked at benchmarks for a dual core model? also did they mention how much RAM was in the machine for the 1.5GHz benchmarks?
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Old Dec 14, 2007, 06:34 PM   #3
kenmasters
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it was the 1.5ghz 7455b single processor at owc..
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Old Dec 14, 2007, 06:38 PM   #4
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this is the link i went to at OWC.

http://eshop.macsales.com/item/Other...ng/MEG42M1500/

after a little bit of googling i found this..

http://www.newertech.com/products/maxpower47.php

after looking ay newertechs own test it seems everything is close but there is just a few seconds faster than his 2.0ghz..
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Old Dec 14, 2007, 11:58 PM   #5
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The 7445bs have a 2 MB L3 cache which speeds a lot of things up with slow system bus speeds. They do use more power and consequently run hotter. The NewerTech 7448s have a 1 MB L2 cache as opposed to the 7447's 512 KB which should make them more competitive, and they use less power and run cooler. I would imagine the 2.0 Ghz 7448 would probably best the 1.5 GHz 7445b, but the 7445b wins on price by a large margin.

It's got to the point that upgrading G4s is not really an economically good proposition. Once you maxxed out the memory, upgraded the video card, upgraded the processors, installed a USB 2 PCI card, etc., etc., you could easily have bought a new Mac Mini that would handily beat it at most tasks.
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