is there any point in changing from a 5400 rpm hd which comes with macbook pro to a 7200 rpm hd? would it make any mass difference in performance?
- Asked by Susan K
4 Answers from the Community
I have a different perspective: Virtual memory (VM) is when your Mac SWAPS on and off memory via the disk : the greater the RPM the faster the saves of any sort including time to wait after u put MBP sleep, save work, download upgraded software.
go with speed!
- Answered by Walt B from Mt.pleasant
- Sep 23, 2011
You would notice a slight speed difference in them but not anything hugely notable. Personally I would want more space to store my files than more speed.
Also the 7200 rpm hard drive is running faster all the time meaning that it is using more power than the 5400. Once again the difference in battery life isn't really notable.
Go with more space than speed ;)
- Answered by Logan M from South Saint Paul
- Apr 17, 2011
It all depends on the capacity differences between the hard drive and here is why:
The spindles (CD-like discs in the unit) are very close in size between notebook hard drives, however even though the 5400rpm drives spin slower (75% of the speed of the 7200rpm), the slower drives will read more data while the needles moves across each spindle since they generally have quite a bit more capacity in the same physical surface area.
Here's an example (with just numbers that I'm throwing out there, not accurate in any way):
500MB @ 7200rpm = 120rps (revolutions per second)
1TB @ 5400rpm = 90rps
Now let's say that the 500TB reads 100MB in one second, if the 1TB drive was spinning at the same speed, it would theoretically read 200MB in one second. Since it's reading at 75% of the speed, it only reads 150MB, which is still 50MB more than the faster 500MB drive.
Hope this all makes sense! :)
- Answered by Dritero R from Kitchener
- Oct 28, 2011
5200rpm vs 7200rpm.. macbook or macbook pro come with the default 5200rpm, which is ok for casual non-file extensive task, such as browsing the web.
You can't defer to total disk size / rpm, it does not work that way. 7200rpm is definitely faster than 5200rpm, some 7.2k rpm drive will create a huge toll on your battery life but some don't.
here is benefit of 7200rpm vs 5200rpm and vise-versa:
5200rpm definitely eat less battery but the difference is not really noticeable, efficient drive such as wd scorpion black 7200rpm drive is know to be power efficient.
if you could access your drive faster the less the power consumption, because it will not make your system to wait more than necessary.
if you are copying from a 5200rpm drive, it will take much more time than copying from 7200rpm, since the read speed is 38% faster. the write speed usually if not faster or the same on both drive.
if you want a really fast drive, the recommended is having an SSD, but the price is too high and capacity is not great enough.
if you want the biggest drive and lower cost you could go with a 5200rpm drive, most 5200rpm drive have greater capacity at lesser cost than 7200rpm.
if you want a fast decent size, you could opt for 7200rpm drive.
but if you want to have both world(ssd+capacity) you could go for a compatible hybrid drive, this comes with a flash technology(used in ssd, but lesser capacity, usually 4gb or less) + mechanical disk drive. it has the partial speed of ssd + capacity that is not available on ssd today.
- Answered by Angelo Bryan P from Las Pinas City
- Feb 1, 2012