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Ncq Test

G

gerbiaNem

2[H]4U
Joined
Mar 6, 2005
Messages
2,169
I was fooling around with my hard drives lately, and decided to test my Maxline II vs Maxline III drive (no NCQ vs NCQ). I did a transfer of about 30gb of encoded movie files from my 80gb drive to the drive I was testing. I then proceeded to watch a movie file (same movie on both drives) off the drive which was receiving the transfer and watched how long the transfer time went up. Note, however, I'm not taking that the Maxline II is one generation older. The time for the transfer without opening files is estimated by windows to be 20 minutes at the beginning.

Maxline II (no NCQ):
I started the transfer, opened up a movie and proceeded to wait 10 seconds before the movie started. The transfer time went up 4 minutes, and *gasp*, the movie paused during playback.

Maxline III (NCQ):
I open up the file, wait 5 seconds and the movie plays flawlessly. The transfer time goes up 1 minute.

Conclusion: NCQ can help a bunch for smoothness if you do more than one thing on your drive at once. Couple my information with Anandtech's dual-core benchmarks showing an NCQ drive beating a raptop in multitasking, and I can recommend that people buy NCQ drives. I have three NCQ drives in my system, and my OS drive is NCQ. With my dual-core machine and many disk operations, I have yet to experience any hitching. Just something I noticed...
 
why not run the same test on the Maxline III with NCQ turned off?
 
EnderW said:
why not run the same test on the Maxline III with NCQ turned off?
Click to expand...


That would be a better test because the maxline III is a pretty significant improvement from the previous generation in more things then just having NCQ.
 
Despite the differences in drives, the impact of NCQ on multitasking responsiveness cannot be disputed, especially under high loads with two devices requiring lengthy linear transfers. Also, Maxtor has the best NCQ implementation for desktop users, as Maxtor is the only ATA drive maker that is able to increase desktop performance (As measured by SR), albeit only slightly.

While Ender is correct that the most scientific test method would be to use the MLIII with NCQ on and off, the conclusion is pretty certain.
 
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