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 According to SiSoftware Sandra 2011, the dual-channel memory bandwidth of the new Intel Core i5 2500K and Core i7 2600K processors is comparable to that of the Core i5 750. As you can see the Core i5 655K is considerably slower with a bandwidth of 10.8GB/s, though keep in mind that this is just a dual-core processor with Hyper-Threading support.
 The AIDA64 Extreme Edition results contradict those provided by Sandra 2011. Here the Intel Core i5 2500K and Core i7 2600K processors are considerably faster than the triple-channel DDR3 Core i7 975 Extreme Edition and Core i7 920 processors. Also, like the Clarkdale Core i5 655K, the new Sandy Bridge Core i5 2500K and Core i7 2600K processors provide a greater throughput when measuring write performance opposed to read performance.
 Finally, we use AIDA64 Extreme Edition to look at L2 cache performance and right away it is evident that the Intel Core i7 2600K and Core i5 2500K provide considerable improvements. The write performance of the Sandy Bridge processors were higher than the read performance of the Intel Core i7 975 Extreme Edition. Meanwhile the Sandy Bridge read performance was twice as strong when compared to the Core i7 975 EE processor. |
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ProX |
Posted on: 01/03/2011 06:45 AM
Awesome review well done. Plenty of good info and testing there. I have to say after reading the review I fail to see what the point of the LGA1366 platform is now?  These are awesome for anyone looking to upgrade from a Core 2 Dup/Quad system or older. |
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Crelm |
Posted on: 01/03/2011 06:22 PM
I've read half a dozen reviews on these chips today, and I must say, this is the best written of the lot. Fine review. Good work, author and editor. |
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Stuart |
Posted on: 01/03/2011 07:52 PM
What's up with the Ks lacking VT-d et al? I'm actually not going to OC the thing but I'd buy the K just for the heatsink. However, I use virtual machines pretty constantly, occasionally needing to get to the USB ports etc. |
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Stuart |
Posted on: 01/03/2011 08:21 PM
After further review, I don't have the usage requirements to want VT-d enabled anyway. (USB was a bad example anyway, but first that came to fingers). Basically, it looks like they turned off everything that would make the Ks serverroom/business friendly. All the remote management and imaging standardizations. Businesses aren't going to overclock anyway, but it kinda looks like protection for the future Xeons. A down clocked K might be interesting to compare to an S if it had the business stuff. |
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poldo |
Posted on: 01/03/2011 11:06 PM
Nice work LH guys. The application and IGP results are impressive. The best thing about these is the fact that you get $1000 CPU performance for $300 or less. |
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Minx |
Posted on: 01/05/2011 02:35 AM
Yeah these new Intel processors are putting the hurt on AMD. So when exactly is Bulldozer rolling into town? |
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Venom |
Posted on: 01/06/2011 04:38 PM
How about killswitch? |
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Steve Posts: 80 Joined: 2010-02-08 |
Posted on: 01/13/2011 08:43 AM
Thanks for all the feedback guys. I will be sure to keep you up to date with AMD releases this year  |
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Haiq |
Posted on: 01/18/2011 06:35 AM
A friend received his i5 2500k today. I thought the CPU box would look a little bigger cuz I heard there was a new heatsink inside the box, but it turned out it's the same old-lower-design heatsink from INTEL. |
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RaiDeR |
Posted on: 01/29/2011 07:26 PM
The 2600K is the only one right now that has the taller heat sink.For this series of cpu/gpus. |