Intel's Core 2 Extreme QX6700: The Multi-core Era Begins
by Anand Lal Shimpi on November 2, 2006 2:14 AM EST- Posted in
- CPUs
Gaming Performance using Quake 4, Battlefield 2 & Half Life 2 Episode 1
We will wrap up with gaming performance benchmarks. If you expect to find something exciting with the currently available software, prepare to be disappointed. There are slight variations in the benchmark scores, but most differences can be accounted for by the margin of error in running each test. Even those applications which do have rudimentary SMP support show no advantage from having more than dual cores.
As an example, our understanding is that the threading approach used in Quake 4 consists of separating the client and server threads and running each system as a separate thread. This is known as coarse grained threading and it represents one of the easiest approaches to making an application multithreaded. Unfortunately, as is the case here, coarse threading often results in limited performance improvements. A system is only as fast as its slowest component, and in the case of Quake 4 the client thread still does the vast majority of work, including all the graphics and sound rendering. The end result is that even with high-end graphics cards, you still quickly become GPU limited.
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JarredWalton - Thursday, November 2, 2006 - link
I am quite sure that 4x4 is for 1207 and not AM2. Sorry. I am also quite sure that 1207 will get quad core support, so long-term a 4x4 (dual dual core) can become... 4x8? (dual quad core). Anyway, in that sense it's just like Core 2 Duo and Quad.The questions I don't have answers to: will the 4x4 begin with a K8L chip, or just a tweaked K8? Will K8L be more competitive with Core 2? When will it finally come out? How much will it cost? Actually, I can sort of guess on the last point that 4x4 will cost a lot more than a Core 2 Quad config as you will need a more expensive mobo, RAM, and two CPU packages.
I *think* Anand plans to have an article delving into 4x4 and AMD's plans more in the future. Maybe he's still gathering data from AMD? (Sort of like squeezing water from a dry spongue at times, unfortunately....)
johnsonx - Thursday, November 2, 2006 - link
I don't think you're right on that one; 4x4 CPU's will use the same RAM as AM2 CPU's do. The "more expensive RAM" requirement is only for Opterons, which of course use registered ECC memory. In fact, if your chosen mainboard has memory banks for both CPU's, then you could even save a little since 4 smaller DIMMs tends to cost a little less right now than 2 bigger DIMMs.
JarredWalton - Thursday, November 2, 2006 - link
Except that like socket 940 vs. 939, I expect all 1207 boards to require registered DIMMs. I don't know of any dual socket board that doesn't.Griswold - Thursday, November 2, 2006 - link
The whole "catch" of 4x4 was that there are no ECC/Registered DIMMS required - at least that was the synopsis all the time. It should have very little to do with the socket itself, rather a matter of IMC, no?Anand Lal Shimpi - Thursday, November 2, 2006 - link
You're correct, 4x4 will use Socket-1207 CPUs but without Registered memory.Take care,
Anand
JarredWalton - Thursday, November 2, 2006 - link
I stand corrected, though I have to say I'm still not at all interested in getting a dual socket motherboard. LOL I guess 1207 CPUs will have to support both registered and unbuffered DIMMs? I can't imagine AMD trying to get people to make sure they get the right type of CPU for the RAM they're using.Second thought: could they have mobos and CPUs that will support both registered and unbuffered DIMMs? I think they have the same keying, so it's possible, right?
smilingcrow - Thursday, November 2, 2006 - link
Two dual-core 90nm 120W CPUs = No thank you.Two quad-core 65nm xW CPUs = interesting!
Jedi2155 - Thursday, November 2, 2006 - link
I'm personally a extremely heavy multi-tasker and I can't wait for quad to a hit a more managable price range. At the moment, they're just beyond my reach for a CPU alone. Once it hits around 300-500 then I would definitely buy one, but these right now are still for the rich and video encoders.AlabamaMan - Thursday, November 2, 2006 - link
I am still amazed by the fact that a $300 E6600 consistantly beats the $700 FX62Aikouka - Thursday, November 2, 2006 - link
That fact, my friend, is why I'm purchasing an E6600 in this upcoming week :). Simply the best performance without overclocking for the buck.