Testing:
Test Rig:
When you are testing performance ram it is important to make sure the system you have a system that can keep up with the capabilities of the ram.
- Motherboard: Asus Crosshair III formula
- HDD: Western Digital 1Tb Black Edition
- Processor: AMD Phenom II 970 Black edition
- Video : ATI HD5970
- PSU: NZXT Hale 90 1000watt
- Case: NZXT Phantom
- Air cooling
Having never worked with Silicon Power Ram before I wanted to throw the kitchen sink at this kit. The Ram is Intel XMP certified, however it was not recognized on our AMD board. The highest frequency we were able to maintain stability at was 1840Mhz . This was achieved with a 17.5 multiplier, at auto voltages, and a 230 Bus speed. Here are the results.
CPU-Z:
CPU-Z is a software made by the company CPU-ID it is not a bench marking utility, it simply provides some basic information about the memory and CPU of your system, typically you can expect this to give you your clock speed timings,
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You can see from the screen shots that CPU-Z is reading a processor clock speed of 4.25Ghz, keep in mind this case is completely air cooled, and running factory voltages. you can see we have a ram speed of 1840Mhz, the Cas Latency is 11 which differs from the manufacturing specifications. Also the ram is reporting in at Single Channel however it is set at dual channel in the bios.
CAS latency has to do with the speed the ram will access information. The speed of CAS is relative to the clock speed of the ram, the part to look for is lower numbers are better. The manufacturer reports a CAS latency of 9 at 2133Mhz, we should see the same CAS or lower with a lesser clock speed we are performing out. The expected latencies are listed below in the tables per dimm for standard clock speeds
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Here is the individual information by DIMM, again take note of the timings table.
Memtache:
Memtache is a benchmarking utility that tests the real world speed of you ram using various common algorithms.
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The output is very straightforward, on the right-hand side of the interface it gives the min/average/max scores for each of the benchmarks. Obviously the higher the scores the better.
“Also the ram is reporting in at Single Channel however it is set at dual channel in the bios.”
lol, fail much? So the memory isnt stable enough to post bios in dual channel even.
A couple of problems with the test.
1. You are not testing the CPU and motherboard. You are testing the *RAM*. Allowing the CPU to overclock in this test when trying to “push” the RAM is retarded. Come on get with it already. It’s no wonder you didn’t reach rated on the RAM.
2. I say that you probably hit an FSB limit. Not the limit of the RAM.