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Testing: The system in today's tests will be a build that starts with the new ASUS P6T Pro motherboard with the x58 chipset and the Intel Core i7 2.66GHz processor.
For today's testing I'll be sticking with SiSoft Sandra 2009 SP2 (v2009.1.15.72). My objective here is to show you the capabilities of this Crucial Triple Channel kit on the Core i7 platform. For stability testing I'll be running Sandra Burn-In test for one hour at each setting before the benchmark is accomplished. Due to the concerns with frying the processor by over-volting DDR3 on the Core i7 platform, I will only run at default voltage of 1.5 volts for all of the tests here today. Single, Dual, and Triple Channel Tests The first set of tests I want to perform is to test the memory in single, dual and then triple channel modes. This will give us an idea of what kind of performance we can expect when using one, two, or all three memory channels. Single Channel Test
Dual Channel Test
Triple Channel Test
From the numbers above, we can see that with Triple Channel we are achieving a 246% performance increase over Single Channel and a 137% increase over Dual Channel when using the ASUS P6T Dlx motherboard. That's pretty damn impressive... Memory Timings Tests So far we can see that i7 and Triple Channel technology has cured the bandwidth bottle necking problem we've been seeing with DDR2 and DDR3 dual channel motherboards. Now let's test the stability of Crucial's Triple Channel kit by lowering the memory timings.
The latency timings tests were very impressive as well. Although lowering the timings didn't achieve a huge increase in performance, we did receive a nice bump. What was more impressive was being able to achieve 7-7-7-13-1T without any problems at all. Overclocking Next we set the timings back down to default and then ramp up the DDR3 bus speed. Take a look...
The overclocking tests were even more impressive. I was able to take the DDR3 speed all the way up to 2133MHz, but the system wasn't 100% stable. The best performance came at 1866MHz with a Sandra score of 31,345!
Conclusion Needless to say I'm thoroughly impressed with what Crucial has sent me. It has been years since I've seen any type of memory that was this flexible in memory timings and overclocking. Hands down, this is definitely the most flexible DDR3 I have ever seen. Nothing I've tested can even compare. Of course much of the credit has to go to the Intel Core i7 and the P6T Pro motherboard. For several years I've been a NVIDIA fanboy, but Intel has brought me back. Crucial has something really special here. At this point I really can't say whether the incredibly high level of stability this kit can achieve is due to the memory being an "future ECC sample", or if it's just because this memory series is just of unprecedented Micron quality. Regardless, Crucial has a great product here. Just keep in mind that the sample we have here today is intended for future Core i7 server products and will not be fully supported by current Core i7 processors. Regardless, this ECC sample works extremely well with our ASUP P6T Deluxe motherboard and we achieved excellent results!
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