7200 vs. 4500 rpm hard drives on Sony S 13

April 20, 2011 at 19:47:54
Specs: Windows 7
Is there a noticeable difference in speed?

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#1
April 20, 2011 at 20:34:21
Yep, 2700rpm difference.

intel P4 3.0ghz HTT
ATI 9800 Pro AGP 8x
2 x 1gb Corsair DDR400
2 x 250gb HDD
Windoze XP SP3


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#2
April 20, 2011 at 20:58:48
I've never heard of a modern 4500 rpm hard drive - that should probably be 5400 rpm.

All other things being equal, the 7200 rpm drive has a higher max continuous data transfer rate.

You could compare the max continuous data transfer rate of the specs of two models to see what the actual difference is with all things taken into consideration.

The max burst data transfer rate - e.g. UDMA 100 - 100 mbytes / sec - can only be maintained for short periods of time, the amount of time depending on the size of the memory cache on the drive's board

You won't notice the difference for smaller files but you will notice a slight difference for larger ones.


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#3
April 22, 2011 at 20:50:01
yup. you are right. supposed to be 5400. thank you :o)

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Related Solutions

#4
April 22, 2011 at 21:20:48
When I switched from a 15gb 5400rpm drive to a 60gb 7200 rpm drive I saw a very noticable difference. I was running windows 95 with 64mb of ram though in todays systems you may not see as big a difference.

Likely


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#5
April 23, 2011 at 07:14:29
likelystory

You probably had other things that were different about the two drives in addition to the increased rpm and the corresponding increase in the max continuous data transfer rate.
The 15gb drive probably had a smaller onboard memory cache, and a lower max burst data transfer rate (e.g. UDMA 33 or 66 vs. UDMA 100).


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