You are not by any chance using an Asus P5K Premium motherboard, are you? That motherboard is reported to run badly with any make of hard drive but Seagate.
It has nothing to do with Seagate versus Samsung versus WD. Sure, there are slight differences in performance, noise, heat and reliability. Considering all those things together, if I were to give a ranking, it would turn out like:
1. WD Caviar Black
2. Samsung Spinpoint F1
3. .... (think Hitachi)
Out of 16 Samsung disks, one failed, out of seven Seagates, three failed. I consider that telling.
But the speed increase you notice is wholly dependant on the comparison of a nearly full drive with a new one. That can amount to more than a 100% increase in thruput of a disk. A nearly full SATA disk may have an average transfer rate of only 40 MB/s while a new empty disk will achieve nearly 100 MB/s, just because of the different fill rates.
The system is a Dell. The motherboard is badged as 'Dell' too.
I understand the difference in drive speed to relation to free space...BUT...
The Samsung 750 GIG HD - Partition in half. Was empty, a new disk, when I first started using CS4. Very slow at renders.
The Segate 1TG HD - Partitioned as Samsung fly! Now still export mega fast. Just starting some video encodes.. back soon... fingers crossed...
Doing a very quick render of video. Looks like no increase in speed.. :-(
I will be doing a much longer render in the next couple of days.
I will report findings.
Thanks - Shaun
Just a side note, partitioning will slow down your system!
Thank you - I didn't know that.
Yes, it's basically a carryover from an earlier day, when OS's could not recognize larger volumes. Now, unless one is doing it for multi-OS booting, or some very specific, and uncommon backup options, they only slow things down greatly.