Performance Comparisons

Performance of the OCZ EL PC4000 VX Gold was compared to all of the memory recently tested on the AMD Athlon 64 platform. While we did not test on an Intel platform, the performance results can also be generally compared to previous benchmark results on the Intel 875 memory test bed. More results are available in recent DDR memory reviews at:

Corsair 4400C25: Taking Samsung TCCD to New Heights
PQI & G. Skill: New Choices in 2-2-2 Memory
Athlon 64 Memory: Rewriting the Rules
OCZ 3700 Gold Rev. 3: DDR500 Value for Athlon 64 & Intel 478
Geil PC3200 Ultra X: High Speed & Record Bandwidth
= F-A-S-T= DDR Memory: 2-2-2 Roars on the Scene
Buffalo FireStix: Red Hot Name for a New High-End Memory
New DDR Highs: Shikatronics, OCZ, and the Fastest Memory Yet
The Return of 2-2-2: Corsair 3200XL & Samsung PC4000
OCZ 3700EB: Making Hay with Athlon 64
OCZ 3500EB: The Importance of Balanced Memory Timings
Mushkin PC3200 2-2-2 Special: Last of a Legend
PMI DDR533: A New Name in High-Performance Memory
Samsung PC3700: DDR466 Memory for the Masses
Kingmax Hardcore Memory: Tiny BGA Reaches For Top Speed
New Memory Highs: Corsair and OCZ Introduce DDR550
OCZ PC3700 Gold Rev. 2: The Universal Soldier
OCZ 4200EL: Tops in Memory Performance
Mushkin PC4000 High Performance: DDR500 PLUS
Corsair TwinX1024-4000 PRO: Improving DDR500 Performance
Mushkin & Adata: 2 for the Fast-Timings Lane
Searching for the Memory Holy Grail – Part 2

AMD Memory Performance Comparisons

OCZ EL PC4000 VX Gold was compared to other memory included in recent Athlon 64 Memory Reviews. This included all tested memory since the launch of the A64 memory test bed in Athlon 64 Memory: Rewriting the Rules . Memory performance was compared at 200x12 (2.4Ghz, DDR400), 218x11 (2.4Ghz, DDR438), 240x10 (2.4Ghz, DDR480), 267x9 (2.4Ghz, DDR533), the Highest Memory Speed that could be reached, and the Highest Memory Performance Settings that we could reach. With a constant CPU speed, memory comparisons (except for top-speed and performance) show the true impact of faster speed and slower memory timings on memory performance.

Test Results: OCZ EL PC4000 VX Gold DDR400/2.4GHz Performance
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  • cHodAXUK - Friday, March 4, 2005 - link

    Stunning performance and great review. Nice work Mr Fink :)
  • bigtoe36 - Friday, March 4, 2005 - link

    The figures are correct, everyone has become fixated with DDR600+ using TCCD and higher latency, this proves tight latency is the king on A64 by a mile as long as the clock is high enough.

    The price is not that expensive, there are 3 versions of this ram. vlaue VX, 3200VX and 4000VX, all of it clocks well with voltage although for the guaranteed highest clocks i would go with the 4000. A note to #3, the value VX is i hear cheaper than twinmos memory, with the launch of 4000VX the 3200 price has dropped also, please remember OCZ are the ONLY company to warrant high voltage here and for peace of mind the extra few $$ you "may" have to spend would be well worth it in my opinion.
  • haelduksf - Friday, March 4, 2005 - link

    Hey- the price isn't bad- I picked a gig of this up for $315 after cancelling my order for the Corsair 4400C25 @ $345 (All CAN$).

    And the performance is right on- google this stuff, especially at Xtremesystems.org, and you will see nothing but 260-270mhz @ 2-2-2-1T



    And that's for the PC3200 ;)
  • theOracle - Friday, March 4, 2005 - link

    when you mention the price, if the figures given are correct this ram seems to give across the board over 10% of performance increase; thats probably more than say 3500+ to 4000+ if im not mistaken. Im sure the cost of a 3500+ and a pair of this is cheaper than a 4000+ and a pair of other ram. I spose the voltage is a limitation, but if the performances increases are that great I would foresee a lot more enthusiast boards offering Vdimm upto say 3.3V or more.

    I still can't really believe the figures though; can Wesley confirm if the other ram was tested on the same DFI board (or is the DFI also contributing to the performance increase?).
  • xsilver - Friday, March 4, 2005 - link

    the kinds of chips that these ocz's using -- they have to be sourced from somewhere and I doubt they have exclusive acess.... or is it that only they are crazy enough to produce memory running at 3.6v and still give a lifetime warranty??

    the competition should catch on soon and hopefully the price wont be so horrendously expensive :)
  • Tokat - Friday, March 4, 2005 - link

  • theOracle - Friday, March 4, 2005 - link

    wow.

    the figures are so dramatically ahead something just cant be right - what motherboards were the other ram timings on?

    then again, if they are right, that is some awesome ram!

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