Alienware M17x R4 Notebook Review: Ivy Bridge and the GeForce GTX 680M
by Dustin Sklavos on September 21, 2012 12:01 AM ESTBattery Life
The Alienware M17x R4 enjoys NVIDIA's GeForce GTX 680M's Optimus technology just as the R3 enjoyed Optimus in the 580M, meaning any battery life difference between the two systems is going to be decided chiefly by the CPU. It's nice to see gaming notebooks get to the point where the battery is no longer a glorified UPS system but an actual means of using the notebook off the mains for an extended period of time, provided you're not gaming on it.
It's all pretty much as we expected. The lower power consumption of the Ivy Bridge CPU allows the M17x R4 to last just a little bit longer in most tasks than the R3 did, but differences between the notebooks really are negligible. Four or five hours of useful battery life from a nine pound land monster isn't too shabby.
Heat and Noise
Unfortunately, this is where things start to fall apart for the R4. Compared to the cooling system used in ASUS' gaming notebooks, the Alienware M17x R4's age really starts to show. The slightly thicker iBuyPower Valkyrie CZ-17 was able to do an admirable job of cooling the GF114-based GTX 675M while producing a lower pitched noise profile, but the R4 gets obnoxious in a hurry when gaming and in fact even seems to be a bit louder than the R3. The GTX 680M is rated for the same 100W TDP as the outgoing 580M/675M, but TDP ratings can often be deceiving, as the difference between the identically rated i7-2720QM and i7-3720QM can attest.
CPU-only loads don't seem to push the cooling system particularly hard, but that's no surprise. GPU-heavy loads cause the fan to spin up pretty substantially, though, and that can become obnoxious in a hurry. The reality is that other gaming notebooks are handling this aspect of design better these days.
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shadowyani - Friday, September 21, 2012 - link
At least the keyboard no longer ghosts.knekker - Friday, September 21, 2012 - link
I don't understand why Anandtech are wasting their time reviewing this laptop, when (appart from the CPU) MSI for quite some time has a significant better offer, compared to this overpriced brick.http://www.laptopmag.com/review/laptop/msi_gt70_on...
DanNeely - Friday, September 21, 2012 - link
I think that's the same laptop platform that they reviewed in iBuy Power branding a month ago. Specs aren't identical with laptopmag's test model; but reviewing two models of the same platform offers little value compared to looking at a second vendors design.http://www.anandtech.com/show/6173/ibuypower-valky...
nerd1 - Friday, September 21, 2012 - link
M17XR4 with 7970M can be found around $1800 from various vendors - and 7970M is not too shabby against 680M and totally smokes 675M / 6990M GPU.I'd rather get m17xr4 w/7970M than spending almost the same money to cz17 with 680M. If I'm paying almost $2000 for a gaming laptop, I won't get fugly laptops.
tviceman - Friday, September 21, 2012 - link
Why does Nvidia hate memory bandwidth so much?DanNeely - Friday, September 21, 2012 - link
high clock rates suck power; in mobile platforms they want to minimize that as much as possible. They're also not stupid and I see no reason not to assume their default GPU/memory clocks were picked to give the maximum average fps scores within their target TDP.Harmattan - Friday, September 21, 2012 - link
I've owned and spent hours and hours with both single and dual configurations of the 7970m and 680m (have an m18x with dual 680ms right now). In single configuration, on an Alienware, 7970m is the way to go: drivers are nearly as good as nVidia's and performance with the 680m is neck-and-neck (which 680m being about 7% faster on avg.). The $250 lower price of the 7970m vs. the 680m wins.That said, a single 7970m has problems on Clevo laptops in the form of AMD's god-awful power management system, Enduro. You see around 10% reduced performance on Clevos/Sagers when compared to Alienware's which do not have the Enduro issue. If you're going Clevo/Sager, go 680m.
Finally, 7970m Crossfire drivers are a bit of a mess: lower gains than nV and, in some games, no gain at all over a single GPU. If you're going dual GPU in a laptop, go 680m SLI.
JarredWalton - Friday, September 21, 2012 - link
Enduro can be even more than a 10% loss of performance -- try more like 30-50% in some games (depending on settings). However, AMD is aware of the problem and tells me they're working on a fix that should hit in the next month. We'll see... 7970M Clevo review coming soon from me, though!prophet001 - Friday, September 21, 2012 - link
That GPU is impressive. Even on Civ 5 it holds its own.Nice review, nice laptop.
Thank you
Death666Angel - Friday, September 21, 2012 - link
Really a pity they didn't do any updates except replace the innards. If there every was a time to buy a gaming laptop, it would be today, 60 fps @1080p with their hardware being up to date until late 2013 when the new console generation hits. Not bad.I like the HDMI in btw. Don't see that very often. :-)