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Test Settings

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2:00 AM - 11/12/2009 by Thomas Soderstrom
Test System Configuration
CPUIntel Core i5-750 (2.66 GHz, 8MB Cache)
CPU CoolerThermalright MUX-120
MotherboardAsus P7P55D v1.02G, BIOS 0606 (09/03/2009)
GraphicsZotac GeForce GTX260² 896MB
576/999 MHz GPU/Shader, GDDR3-2484
Hard DrivesWD VelociRaptor WD30000HLFS
300MB, 10,000 RPM, 16MB Cache
SoundIntegrated HD Audio
NetworkIntegrated Gigabit Networking
PowerCorsair CMPSU-850HX 850W Modular
ATX12V v2.2, EPS12V, 80-Plus Gold
OpticalLite-On LH-20A1L, 20X DVD±R
Software
OSMicrosoft Windows 7 Ultimate x64
GraphicsNvidia Forceware 190.62 WHQL
ChipsetIntel INF 9.1.1.1014


We chose the Core i5-750 for today’s benchmarks because it’s the most likely LGA 1156 processor to be paired with low-cost RAM.

Unfortunately, the retail i5-750 we purchased does not support the correct memory multiplier to reach DDR3-1600 at the processor’s stock base clock. For today’s test we were forced to use 160 MHz as the base clock for testing DDR3-1600 speeds, yet we were able to retain Intel’s super-tiny boxed cooler.

Benchmark Configuration
Stability TestMemtest86+ v1.70, single pass (~45 minutes)
Max Speed at CAS 9
Min Latency at DDR3-1600, 1333, 1066
Bandwidth TestSiSoftware Sandra Version 2009.9.15.130 Bandwidth Benchmark


CPU overclocking would have made anything more complex than a bandwidth benchmark unfair. We used Memtest86+ to verify stability at each memory kit’s highest speed and lowest latencies before obtaining those bandwidth numbers.

Talkback
Onyx2291 11/12/2009 8:13 AM
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Very nice how Crucial edges out so slightly and is cheap.

El_Capitan 11/12/2009 8:22 AM
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I've been advocating that Crucial memory kit since time began.

presidenteody 11/12/2009 9:30 AM
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should i wait for the price to be cut in half in 6 months? I want it now for L4d2!

dirtmountain 11/12/2009 9:33 AM
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Would running these same kits work any differently in an AM3 system with it's ability to handle higher voltages?

NeatOman 11/12/2009 9:36 AM
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Why would you guys use memtest86+ v1.7? if "v4" or is out?

MAD4AMD 11/12/2009 9:57 AM
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Could you please provide information what memory chips are used in all RAMs. Thank you!

micky_lund 11/12/2009 10:08 AM
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looks good, especially for CAS9. spose it makes it better for OCing.
pity it ain't available in Australia :S

jrharbort 11/12/2009 10:40 AM
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I've always insisted that Crucial DDR3 kits are an excellent value, and recommended them to friends for their amazing stability, overclockability, and price.

These kits totally deserved the Tom's award for best hardware of '09.

mlcloud 11/12/2009 12:31 PM
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I've been buying OCZ for all my DDR2 needs (they were very cheap after rebates), but I think I know who to go to for DDR3 (and awesome power supplies)

coolkev99 11/12/2009 3:41 PM
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This is good info, but I wish they would develop some 3gb x 2 kits out there.

Crashman 11/12/2009 4:01 PM
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coolkev99 :
This is good info, but I wish they would develop some 3gb x 2 kits out there.



3GB modules don't make a lot of sense due to the way memory chips are organized. In order to do it "right" (same physical organization), you'd have to use different chips on each side of the module, such as 1gb chips on one side and 2gb chips on the other, and I'm not even sure such a module would be compatible with current memory controllers.

enzo matrix 11/12/2009 4:11 PM
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What about Mushkin ram? I'd like to see them included in future articles.

jodpel 11/12/2009 4:19 PM
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I had an idea in my mind that they look at the test results from every shipment of memory they get from the fab... the stuff that tests poorly gets sold as value and the stuff that exceeds specs gets heat sinks and sold as performance RAM.

I was always leery of buying value RAM because I figured it failed a spec somewhere along the line and got thrown in the "sell it to Mikey because he'll buy anything" bin at the virtual store.

Ryun 11/12/2009 4:27 PM
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"OCZ’s maximum data rate of only 1,240 MT/s came from our second attempt to test the memory. Both modules in our first kit threw errors even at a modest 1,066 MHz data rate."

Glad you found this as well. I, and others on newegg who ordered that set of sticks, got DOA memory. Gave me errors and couldn't OC at all. It's crap RAM.

Crashman 11/12/2009 4:45 PM
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jodpel :
I had an idea in my mind that they look at the test results from every shipment of memory they get from the fab... the stuff that tests poorly gets sold as value and the stuff that exceeds specs gets heat sinks and sold as performance RAM.I was always leery of buying value RAM because I figured it failed a spec somewhere along the line and got thrown in the "sell it to Mikey because he'll buy anything" bin at the virtual store.



From the samples Tom's purchased it appears that there are two grades of memory: "Everything Else" and OCZ Gold.

void_pointer 11/12/2009 5:25 PM
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Providing results for Memtest86+ and SiSoftware Sandra is important (IMHO), but these results really don't tell us much about real-world performance of apps/games/etc. The Crucial kit gets a win based on max data rate (and price), but there is no guarantee that you'll see a performance increase when you crank up the data rate and run your favourite app/game/etc., because the way it accesses memory with the cranked-up latencies actually cause a reduction in performance.

If we could get a small sample of benchmarks with real apps (e.g., one or two games, an encoder or two, a file compressor or two) I think readers would have a far better understanding of what "Super-Value" means for them (and their apps/games/etc.)

notty22 11/12/2009 5:29 PM
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I think its the end user, the home builder that is being cheated out of quality and value in the current ram market. With all these supposed ram modules available at different speeds/timings then multiply that by meaningless things such as color and non functional heat spreaders the end result is story after story of ram NOT WORKING at default bios settings for a given processor/memory configuration. All I know is it seems like its russian roulette building a system and expecting your ram to work with default bios settings.

tpb 11/12/2009 5:57 PM
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I have found that memtest86+ simply isn't good at finding problems from overclocking.
I have an AM3 motherboard with 8 gig of ram and I could run memtest86+ for hours and not have any problems, boot into windows and have unpredictable crashes from minutes to hours later.
If I boot into windows and run the memory tester in the link below, the problem shows up within seconds or minutes.
I have no idea why this memory tester appears to be better than memtest86+.
After you get the system working reliably, run one of the CPU stress programs at the same time as the memory test to heat up the CPU and ram and see if the system is still reliable.

http://hcidesign.com/memtest/download.html

rockyjohn 11/12/2009 6:07 PM
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I used Crucial in my last build and am very happy with it.

I agree with those who stated it would have been informative to see some applications used in the test. Also, it would have been more informative if they had included one or two of the performance RAM for comparison.

philosofool 11/12/2009 6:19 PM
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That crucial memory kit isn't compatible with many Gigabyte boards. I went through RMA hell over it. It's not crucial's fault, but if you're a system builder, you should know this.


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