Market Positioning

Typically our market position examination is done through Newegg, although an issue comes through that the PV38G240C0K kit we are testing is not actually listed.  The alternative PV38G240C1K kit, a 2400 C11 2x4 GB kit, retails for $92 at Newegg, but our kit being tested today is more expensive than this when we look elsewhere: $116.80
NCIX: CAD$100 £95.92

If we take the pricing list, when comparing to other 2x4 GB 2400 C10 kits, we get the following:

$72: Team Xtreem LV, TXD38G2400HC10QDC01
$81: G.Skill TridentX, F3-2400C10D-8GTX
$88: G.Skill RipjawsZ, F3-2400C10D-8GZH
$88: G.Skill Trident, F3-2400C10D-8GTD
$92: Patriot Viper III, Black Mamba 2400 C11 (PV38G240C1K)
$107: Avexir Core (Blue), AVD3U24001004G-2CI
$117: Patriot Viper III, Black Mamba (PV38G240C0K)

From this list it would seem that a sub-$75 value would undercut memory kits from G.Skill, but at $117 or even $92, it does price itself out of the market somewhat.  $80 would bring it down to $10/GB, whereas $117 means $14.63 per GB.  There are better deals when buying 16 GB memory kits, in terms of cost per GB, although it comes with the added expense.

Test Bed

Processor Intel Core i7-4770K Retail @ 4.0 GHz
4 Cores, 8 Threads, 3.5 GHz (3.9 GHz Turbo)
Motherboards ASRock Z87 OC Formula/AC
Cooling Corsair H80i
Thermalright TRUE Copper
Power Supply Corsair AX1200i Platinum PSU
Memory ADATA XPG V2 DDR3-2400 C11-13-13 1.65V 2x8 GB
Patriot Viper III DDR3-2400 C10-12-12 1.65V 2x4 GB
Memory Settings XMP
Discrete Video Cards AMD HD5970
AMD HD5870
Video Drivers Catalyst 13.6
Hard Drive OCZ Vertex 3 256GB
Optical Drive LG GH22NS50
Case Open Test Bed
Operating System Windows 7 64-bit
USB 3 Testing OCZ Vertex 3 240GB with SATA->USB Adaptor

Many thanks to...

We must thank the following companies for kindly donating hardware for our test bed:

Thank you to OCZ for providing us with 1250W Gold Power Supplies.
Thank you to Corsair for providing us with an AX1200i PSU, and Corsair H80i CLC
Thank you to ASUS for providing us with the AMD GPUs and some IO Testing kit.
Thank you to ECS for providing us with the NVIDIA GPUs.
Thank you to Rosewill for providing us with the 500W Platinum Power Supply for mITX testing, BlackHawk Ultra, and 1600W Hercules PSU for extreme dual CPU + quad GPU testing, and RK-9100 keyboards.
Thank you to ASRock for providing us with the 802.11ac wireless router for testing.

‘Performance Index’

In our Haswell memory overview, I introduced a new concept of ‘Performance Index’ as a quick way to determine where a kit of various speed and command rate would sit relative to others where it may not be so obvious.  As a general interpretation of performance in that review, the performance index (PI) worked well, showing that memory kits with a higher PI performed better than those that a lower PI.  There were a few circumstances where performance was MHz or CL dominated, but the PI held strong for kit comparisons.

The PI calculation and ‘rules’ are fairly simple:

  • Performance Index = MHz divided by CL
  • Assuming the same kit size and installation location are the same, the memory kit with the higher PI will be faster
  • Memory kits similar in PI should be ranked by MHz
  • Any kit 1600 MHz or less is usually bad news.

That final point comes about due to the law of diminishing returns – in several benchmarks in our Haswell memory overview performed very poorly (20% worse or more) with the low end MHz kits.  In that overview, we suggested that an 1866 C9 or 2133 C10 might be the minimum suggestion, whereas 2400 C10 covers the sweetspot should any situation demand good memory.

With this being said, the results for our kits are as follows:

Performance Index

The Patriot kit starts with a very healthy PI of 240, which we mentioned can reach 266 when overclocked.

Overview, Specifications and Visual Inspection IGP Gaming


View All Comments

  • jabber - Tuesday, November 19, 2013 - link

    Indeed, or for those of us that found girls, moved out, got older, changed hobbies, just realised that running benchmarks all day is a waste of life or found that actually the world doesn't end if you don't upgrade your PC every 6-12 months.

    There is a need for some sites that analyse how the current $60-$200 GPUs compare with those of 5 years ago, same for CPUs etc. Big market for that kind of info but unfortunately all we get is "this sites for enthusiasts noob!" well thanks but I'm still an enthusiast but now I have a mortgage or I'm only earning half what I was 5 years ago.

    The info I get from Anandtech I can get anywhere......
  • Shadowmaster625 - Tuesday, November 19, 2013 - link

    In the conclusion you should add one bar to one of your charts... a bar where the RAM is at 1600 but the cpu is clocked just 100MHz higher, to really highlight how little impact memory speeds have on performance compared to even a tiny cpu clock speed boost. Reply
  • jabber - Tuesday, November 19, 2013 - link

    Buy whatever matches best with your motherboard and GPU colour scheme I say. Reply
  • ShieTar - Wednesday, November 20, 2013 - link

    Of course. And never overclock your memory when there is a full moon. Reply
  • D1RTYD1Z619 - Tuesday, November 26, 2013 - link

    or if you have pickles in your fridge. Reply
  • rmh26 - Tuesday, November 19, 2013 - link

    Ian can you give a little more information about the size of your CPU computer benchmarks specifically the grid size on the finite difference problems. In my experience memory bandwidth plays a large role in the speed of the computation. There are many HPC applications that have memory as the bottleneck and I'm wondering if your problem size is small enough that it is being efficiently handled by the cache and the ram speed isn't making much of an influence. In know in my own CFD code going from 1600 to 1866 showed an almost linear speed up. Reply
  • UltraWide - Tuesday, November 19, 2013 - link

    Did you have a chance to remove the heat-spreaders to see which ICs are in these? I am assuming Hynix MFR? Reply
  • Gen-An - Tuesday, November 19, 2013 - link

    Hynix DFR actually. 2Gbit ICs (256MB each) so the same size as CFR but with nowhere near the overclockability. Reply

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