Benchmark Results: Media
CyberPower takes the win in our first audio-conversion test, which isn’t a big surprise considering that it has the fastest CPU in the roundup, the Core i7 940. AVADirect comes in second by overclocking the Core i7 920; Alienware lags the field with its virtually stock Core i7 920.
The LAME benchmark result is more interesting. In the iTunes test, just 13 seconds separate first place from last. In our WAV-to-MP3 conversion, the gap widens to 38 seconds. CyberPower, with the fastest CPU, takes the win in both categories.
All four rigs are equipped with quad-core CPUs, and our MainConcept benchmark uses them all. Clock speed then becomes the determining factor, with the CyberPower once again being the predictable winner. If you’re looking to perform a lot of media conversion, the Core i7 940 is much more desirable than its lesser cousin--especially at the overclocked settings CyberPower is using here.
The DivX test taps all four cores while this version if XviD takes advantage of just two. Once again, the CyberPower leaves the Alienware in the dust and is considerably faster than AVADirect’s entry. It’s all about the CPU here, and there’s no way a Core i7 920 is ever going to beat a Core i7 940.
Here’s yet another multi-threaded CPU test and CyberPower once again leads the field, albeit not by as wide a margin as we saw with our other benchmarks.
Clock-rate is king in our 3ds Max 9.0 benchmark, so the CyberPower rules the day by virtue of having the fastest CPU on the battlefield.
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Nice to see a comparison that doesn't put Alienware on top all the time. Yes, they have a fantastic reputation and some truly slick kit, but when it comes down to the meat and potatos of it, Alienware's insides always seem to be a little underpowered or overpriced (depending on your viewpoint).
Comparing an i7 920 to an i7 940 is a little redundant though considering they were both overclocked and therefore the clock speed difference was maintained.
What I'd like to see (and this is beyond the scope of this article) is a 920 or 940 clocked to 3.2GHz and run against a 965 Extreme at stock - goes the increased QPI transfer rate of the Extreme make any tangible difference in real-world conditions?
The question remains: who will be stupid enough to pay $1200+ for the upcoming i7 975 when you can overclock a $270 920 to 3.4+GHz anyways..
@starmate:
That's always been the question since overclocking has been viable and commonplace. And this is why I posed the question.
Both the 920 and the 940 have a QPI rate of 4.8GT/s so I won't bother with the 940 - I'll just get a 920 and overclock it to match the 940 and save about £200.
The same goes for the 965 and 975. As the 975 is Extreme too, I'd assume it also has a QPI rate of 6.4 GT/s like the 965. If so, get a 965 and overclock it to match the 975 and save about £200.
However, what I want to know is how much of a difference does the QPI rate make? Does an extra 1.6 GT/s make a difference in single-CPU set ups, and therefore is worth getting an Extreme for maximum performance? Or will we see benefit in dual-CPU set ups like Xeon boards and Skulltrail 2?
And is it just me, or does "Gigatransfers per second" sound like a total, 3am bullshit decision "yeah, we'll rate the QPI in Gigatransfers - that'll do!"
I agree. No point in the 940 or 965 if you're willing to overclock the 920. I've read that the 965 isn't at all stable beyond 4ghz, and the 920 has been known to overclock beyond this,so where is the dilemma? 920 oc'ed, 6 gigs of 1600 DDR3 and a decent vid card and heatsink and you are laughing.
That's the route I'm going matt77 unless X58 Skulltrail proves to be something significant, hence me whittering on about the Extreme's higher QPI rate.
Am I the only one who notices that despite all other articles disabling the PhysX acceleration for 3DMark this particular article didn't?
Omitted the Graphics Score from this test suite as well, whilst showing all the other parts of the score breakdown. I suspect that the reviewer was giving all he could to help Alienware not look uncompetitive.
I also dislike that the prices weren't mentioned. All under $2500 but BY HOW MUCH? Alienware probably cost the most.
I have heard that alienware take exception to bad reviews and stop handing out the benchmarking samples if they are made to look bad.