Faster, Higher, Stronger - A-Data Fast Memory Review

    A-DATA is one of the leading manufacturers of RAM. Also in the range there is: flash memory, memory cards, SSD disks, external drives and high-performance solutions are a separate item. A-Data introduced the new DDR3 2200 (8-8-8-24-24) 1.65V memory kit - this is the fastest memory in their product line. About her today and will be discussed. The XPG + series belongs to the class of high-performance solutions. There is even a specially created microsite dedicated to models of this class. Let's try a model: AX3U2200PB2G8-DP2 Specifications: Number of channels: 2 Module type: 240Pin Unbuffered-DIMM Non-ECC Volume: 4GB Dual Channel Kit (2GBx2) Operating frequency: 2200 MHz Timing: 8- 8-8-24
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    Operating voltage: 1.55V ~ 1.65V

    To improve cooling and stability, the strips use the following technologies: Thermal Conductive Technology (TCT), which provides direct heat removal from critical areas from DRAM modules, as well as the technology of using a double layer of copper on the board itself (2 oz ) Such memory is intended for use as part of high-performance gaming and workstations. The model in question is based on the most expensive and promising Elpida Hyper chips. As you know, they can work with high latencies and high timings, as well as with a low frequency and aggressively low timings. This gives great flexibility in tuning the memory subsystem for maximum performance.
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    As stated earlier in the specification, the tested model is designed for systems with a dual-channel memory controller. First of all, it is oriented to platforms with a processor socket LGA 1156. On my own, I’ll add, to be more precise, I’ll need a Core i7 860/870 processor to complete the feeling of the charm of such strips, since the 800th series has a rather strong built-in memory controller and memory multiplier x12 relative to the system bus.

    According to the official specification from Intel, as part of the Core i7 860/870 processors, the maximum compatible memory model adopted by the JEDEC standardization committee operates at a frequency of 1333 MHz with timings of 9-9-9-24. In our case, we have in our hands straps capable of operating at a frequency of 2200 MHz with timings of 8-8-8-22, which is quite different from the standard, and promises to give a rather tangible increase in performance.

    First of all, let's compare the difference in performance in two modes:

    1333 MHz 9-9-9-24 and 2200 MHz 8-8-8-24.

    We will not touch the processor frequency.
    By the way, the A-DATA 2200 XPG plus series in SPD has XMP settings for 2200 MHz. This means that if you do not want to manually set the frequency and timing values, simply select the “Profile1” value in the BIOS item Extreme Memory Profile (XMP). This item is located in MB Intelligent Tweaker (MIT) >>> Advanced Frequency Settings (if GIGABYTE motherboard) and Ai Tweaker or Extreme Tweaker (if ASUS motherboard)

    Test bench:
    - Intel Core i7 860
    - GIGABYTE P55A - UD6
    - 2 * 2048Mb A -DATA 2200 XPG plus series
    - GIGABYTE GeForce GTX280
    - WD Raptor 74Gb 740ADFD
    - be quite 1000W Dark Power Pro
    - Win 7 Professional
    Tests: EVEREST Ultimate Edition 5.30 - read / write test and access speed

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    WinRAR 3.93 - test for archiving speed
    Cinebench 11.5 - 3D rendering
    TMPGEnc 4.0 XPress - video coding.

    Gaming:
    Crysis Warhead
    FarCry 2

    To a lesser extent the test rests on the video subsystem - the settings for graphic visualization are set to a minimum, the resolution is 800x600.

    EVEREST Ultimate Edition 5.30 As you can see, the gain is more than noticeable in tests for reading and writing, as well as latency. Well, let's see how it will be reflected in real applications. WinRAR 3.93 Archiving speed is always very much dependent on the performance of the memory subsystem, which the graph below shows us. TMPGEnc 4.0 XPress
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    - A program for encoding video / audio from one format to another. Then I transcoded the standard 1.37GB DVDRip to DiVX of 438MB. Cinebench 11.5 - time spent on the image rendering process, measured in minutes. In the game tests of Crysis Warhead and FarCry 2, it can be seen that with a minimum load on the video card, there is a difference in rendered frames. Conclusion - with a more efficient video card such as HD5870 / 5970, the difference will only grow. A few words about the overclocking potential of the slats: Between February 10 and March 10, the first in Russia online GIGABYTE overclocking tournament on the Intel P55 Express platform “On the wave of performance” p55oc.gigabyte.ru

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    One of the tests was archiving in the WinRAR program, where your humble servant won, thanks to the excellent overclocking potential of the above bars. At the same time, the memory overpowered the chatota of almost 2500 MHz with 8-8-8-22 timings at a voltage of 1.76v. The result is 7688KB / s , the OS was XP SP3.

    p55oc.gigabyte.ru/test_winrar.htm
    image

    Conclusion.

    The memory is really top class with all that it implies. It is equally suitable for any user and it does not matter what to do on it (overclocker, video editor, designer or hardcore gamer). Perfectly scales from voltage and timings. Best choice for Intel LGA1156 platform. Of the negative sides, it is worth noting that 2 slats will not be possible to install memory slots in close proximity to each other due to an overly large cooling system.

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