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Old May 12, 2007, 05:08 PM
Eldonko's Avatar
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Location: Calgary, AB
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Default Mushkin 4GB HP2-6400 Test Report

Mushkin 4GB HP2-6400 Test Report

About two weeks ago, Mushkin launched a new 4gb kit, HP2-6400 5-4-4 modules, designed for both high-performance and value. This kit is priced lower than the 4GB XP2-6400 and 4 GB XP2-8500 kits, (currently at $345 on Mushkin site). I got the chance to test a set of this stuff and I must say I am quite pleased with the performance especially in this price range.

That being said, here is your Mushkin HP2-6400 Redline (part 996564) test report:

First I’ll start with a few words on the test platform and shots of the RAM and board. I’m using an E6600 Conroe setup with a DFI LANParty UT ICFX3200-T2R (RD600). The HP2-6400 uses the FrostByte™ (blue) heatspreader spreaders and comes with Mushkin’s new packaging.


Test bed
BFG GeForce 7800GTX @ stock
Mushkin XP-650
Windows XP, 32bit, untweaked
CPU Cooling - Custom H20 and stock cooler on the NB
RAM Cooling – 120mm Panaflo

Testing methodology:
I don’t plan on killing this kit quite yet so I am sticking to 2.3v for the time being. If I get ambitious later on, Ill run a few 2.4v benches. Also, I realize that I am only using a 32bit OS which can only test a lil over 3gb at a time, however I don’t have a 64bit at the moment so that will have to do for now. Ill try and pick up Vista 64 next week and run a few more tests.

Benches used:
Super PI v1.5 (two instances of 32M)

AMD System Manager (clockgen and mem tweeking tool)
Smart Guardian

I am going to test 4-3-3, 4-4-4, and 5-4-4 using 2.0v, 2.1v, 2.2v, and 2.3v for the mem.

Now for some test results:

4-3-3 – 2.0v – 400Mhz

4-3-3 – 2.1v – 435Mhz

4-3-3 – 2.2v – 451Mhz

4-3-3 – 2.3v – 460Mhz


4-4-4 – 2.0v – 411Mhz

4-4-4 – 2.1v – 435Mhz

4-4-4 – 2.2v – 457Mhz

4-4-4 – 2.3v – 472Mhz


5-4-4 – 2.0v – 478Mhz

5-4-4 – 2.1v – 505Mhz

5-4-4 – 2.2v – 534Mhz

5-4-4 – 2.3v – 538Mhz


A few observations:
1) For secondaries I found that this RAM is quite responsive to loosening trp and trcd a bit. Don’t expect to run the same settings as GMH.
2) tras should be kept above 10 for best results, it actually effects stability in this case
3) Lower drive strength seems to be better than high.
4) CAS has a huge impact on clock speed

Overall I think this is a good bang for your buck if you are looking for a 4gb kit.

Last edited by Eldonko; May 12, 2007 at 10:53 PM.
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Old May 12, 2007, 05:25 PM
sswilson's Avatar
Join Date: Dec 2006
Location: Moncton NB
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My System Specs


538 is pretty impressive, especially with a 4G kit!

Does your board allow for de-linking of the ram? If so, I'd be interested in seeing what kind of latencies you can set for the standard 1-1 on a 1066 fsb chip.

Heh.... just did a quick calc in my head (not something I'm all that good at it seems.... :) ) and I'm betting the 538 settings are probably it..... :)

Thanks for the review!!!
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Old May 12, 2007, 06:12 PM
SKYMTL's Avatar
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GREAT report!!!

I think I will like seeing the interesting articles that appear in the Member's review section.
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Old May 12, 2007, 06:19 PM
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That looks like an awesome kit of ram, nice writeup :-)

Sure beats out the last HP series I touched (which didn't overclock at -all-).
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Old May 12, 2007, 06:55 PM
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Thanks folks. I am going to add some more benches shortly to show how the different timings effect performance and what is optimal. Just need a break, worked 60 hours this week and did all this testing on top of that. Time for a beer or three.. ;)

Adding some Vista 64 bits tests at some point as well.
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Old May 12, 2007, 07:28 PM
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Join Date: Mar 2007
Location: Ottawa, Ontario
Posts: 583

Nice review. I'm doing a Gskill review when the ram comes in.

I love how the ram matches the watercooling tubes. Top performer for 4gbs.
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