On Fri, Jul 9, 2010 at 11:08 AM, Bruce Johnson
<[email protected]> wrote:
>
> That's because the stock drives are 5400 rpm, or worse, 4200 in the earlier
> models of MacBook, iirc.
>
> The biggest nobrainer in ordering a new Mac is to upgrade to the 7200 rpm
> drive...
>
It's also because they are just plain slow compared to even more
recent 5400 RPM drives. I ran a Windows benchmark tool, HD Tune Pro
v4.5, against the OEM 160GB Hitachi HTS542516K9SA00 which came with my
early 2008 white MacBook. I then compared that to the results for the
500GB Hitachi 5K500.B I upgraded the MacBook to.
Both are 5400 RPM drives, but the newer drive benefits from higher
track density due to tech which allows higher bit density platters.
160GB Hitachi versus (newer) 500GB Hitachi
Sequential Read; Max 56.2 versus 79.3
(MiB/sec) Average 45.2 versus 61.0
Min 28.9 versus 24.2
Burst Rate 98.0 versus 194.7
Looking at how the newer drive is faster on the outer tracks, I'm
debating whether to bother revisiting my old cliche of partitioning
the drive so the OS is on the faster outer tracks and "just data"
(mostly videos I haven't watched yet) is on the slower inner tracks.
Oh, well. Something for another day maybe.
-irrational john
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