Patriot Viper III Review: 2x4 GB at DDR3-2400 C10-12-12 1.65 V
by Ian Cutress on November 18, 2013 1:00 PM ESTSingle dGPU Gaming
For our single discrete GPU testing, rather than the 7970s which normally adorn my test beds (and were being used for other testing), I plumped for one of the HD 6950 cards I have. This ASUS DirectCU II card I purchased pre-flashed to 6970 specifications, giving a little more oomph. Typically discrete GPU options are not often cited as growth areas of memory testing, however we will let the results speak for themselves.
Dirt 3
Bioshock Infinite
Tomb Raider
Sleeping Dogs
While Single dGPU doesn't ever seem to show many differences between memory speed, Dirt 3 did not seem to like our Patriot memory, although we are talking sub <1%, and could thus be statistical variation at work. We do four runs of the D3 test so we do not end up with an outlier, but sub <1% is not anything to get worked up about.
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Impulses - Monday, November 18, 2013 - link
Ian has a pretty in depth article on this subject, look back thru the archives.Memory prices haven't increased as much as I thought, if at all... I bought a 1600 4x4GB Patriot kit last year, precisely around this time, it was like $55 or something with a discount (I remember not seeing any better deals around Black Friday). My first exposure to Patriot too but it's worked out well.
hp9000 - Friday, November 22, 2013 - link
I'm not so sure about that, I bought a 32gb 1866 G.Skill Ares kit in December of last year for $109.99 (I'm looking at the invoice) and now the same kit is $283.49 (newegg). That's a huge price increase in my book.IanCutress - Monday, November 18, 2013 - link
You want my memory scaling article on Haswell:http://www.anandtech.com/show/7364/memory-scaling-...
There are 26 different combinations of MHz / CAS there, from 1333 C9 to 3000 C12, representative of many 2x4 GB Hynix MFR kits available to purchase today.
Franzen4Real - Monday, November 18, 2013 - link
Oh great!! Thank You!! Not sure how I missed that in the first place.... Bigtime thanks for all of your time and effort on these tests!!djscrew - Tuesday, November 19, 2013 - link
A (very) basic rule of thumb: 1 Cas Latency = 1 Command Rate = 1 Bump in MHz (1333/1600/1866). With the bump in MHz considered more valuable.dingetje - Monday, November 18, 2013 - link
1.65 volt and higher ?so the haswell memory controller doesnt have a problem with voltage higher than 1.5 or will it get fried eventually ?
IanCutress - Monday, November 18, 2013 - link
Did you used to have Hyper memory on Nehalem by any chance? That combination had issues above 1.75 volts. I have not encountered any issues running memory up to 1.75v on Sandy Bridge, Ivy Bridge or Haswell. All my chips just work. Otherwise 1.65 volt kits wouldn't be selling as well as they do, and overclockers wouldn't be pushing 1.8v on air / 2.0+ volts on liquid nitrogen.dingetje - Tuesday, November 19, 2013 - link
that it runs great i dont doubt....was just wondering wether on the long term the hawell memory controller will have issues (seeing the spec is 1.5)dingetje - Tuesday, November 19, 2013 - link
^haswell (typo)im running a 1.35v (@1.5v) crucial kit myself on haswell by the way
mfenn - Tuesday, November 19, 2013 - link
Yes, because extreme overclockers care so much about longevity. Ian, you should make an effort to get out of the extreme OC and corporate PR echo chambers once and a while. It is really having an effect on the quality of your articles.