phylum_sinter said:
Back to the software question - i use Sound Forge, Cubase, Max/MSP, and FL Studio primarily as hosts. I have already maxxed out the processor doing some granular/fft transformations and even some VSTi's that have ultra quality modes can bring it to 100% too (Native Instrument's Massive, in particular is good at this - anything above 12 voices and things rise above 60% CPU).
About CPU usage:how much memory has your laptop?When working with multi-track material, memory makes a huge difference.That's why many pro studio DAWs feature server CPUs, because servers can handle much more memory. Sager NP9280 (Clevo D900F) has a big advantage over your current laptop other than the CPU, it has 3 memory slots.Also, it is compatible with desktop memory modules, which means it can utilise faster memory.Due to this and to the differences of the 2 processors' speeds (i7-820QM and i7-920), the Sager NP9280 aka Clevo D900F is approximately 50% better in terms of performance.Contrary to this, battery is in favor of your machine by 50%.Weight is also an issue with SAGER NP9280.
phylum_sinter said:
Do you think the i7 desktop and laptop lines are both at the same point as far as lifespan/upgradeability, or is one line closer to the peak already?
That's a tough question to answer.I cannot be sure because I am not an Intel executive myself neither I have someone in the family.It is officially announced that there will be two new i7 desktop processors in 2010, the i7-930 which will replace the 920 (the processor you were considering to purchase) and the i7-980X, a six-core CPU, which will replace the i7-975.It isn't officially announced but I think that there will be also some mobile i7 released later this year*.However, you have to remember that, when it's about upgradeability, it doesn't matter from what line is the processor but what socket it is compatible with.For example Lynnfield processors (Core i7-8xx) are i7 but they are compatible with LGA 1156 and not with LGA 1366 like I7-9XX.My personal view, based on informations that aren't confirmed, is that both desktop and mobile i7 have a great future ahead them (when I say great, I mean two years from now).
In your case: Generally, desktops are more upgreadable, their CPUs are faster than laptops' and they have a bigger lifespan too.That's why having a laptop that supports desktop processors is a wise investment.But you recently bought a laptop so consider the following:
a)In laptops raw power isn't the only factor of the success of a product.There is company I know that makes mobile workstations and servers.Their products are just like briefcases.Their internal (of the briefcases) is the laptop, if we can call it laptop.When you open this briefcase, the one side is the screen and the other the keyboard, under which are all the vital components of the computer.These computers are about 10kg heavy and they have zero battery life, when unplugged but they are really powerful, they feature dual Xeon and quad Opteron setups.What I am trying to say is that you 've got to define your own personal meaning of the term ''mobility''.It will be helpful for your future purchases.
b)If you want to upgrade, buy RAM.(Assuming that you currently have 4GB,) you can buy 8GB for about 370$ on eBay.I don't recommend buying a new laptop because yours is still new and pretty decent and you can spend your money for a desktop computer or some new equipment for your studio (mics,monitors,preamps,converters,acoustic treatment, etc).
*Arrandale processors were recently released for laptops but I don't mention them cause they have lower performance than i7-820, so you probably aren't interested.