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RAM Question

Discussion in 'BlackHat Lounge' started by BlackSeng, Jan 10, 2013.

  1. BlackSeng

    BlackSeng Jr. VIP Jr. VIP

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    Which RAM's performance do you think will be better?:

    • 1600mhz at 32 GB
    OR
    • 1833mhz 16 gb

    ADDED:
    Question regarding processors.. which one is better:

    Intel® Core™ i7-3740QM Processor (2.7GHz, 6M Cache)
    Intel® Core™ i7-3840QM Processor (2.8GHz, 8M Cache)

    Price difference is $400.
     
    Last edited: Jan 10, 2013
  2. ShadeDream

    ShadeDream Elite Member

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    I'd go for the 1600mhz at 32 GB but it really depends on what you need this for and what CPU you will be using.
     
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  3. bertbaby

    bertbaby Elite Member

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    Depends on the OS and the actual applications you are running. Also, are the apps multi-threading and what are the number of cores for the processors in question? Are you running virtual programs? Server or client? All things being equal it is easier and cheaper to add memory than to upgrade a processor in the future.
     
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  4. BlackSeng

    BlackSeng Jr. VIP Jr. VIP

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    Sweet. Thanks guys, I just did some research and they said the difference between 1600MHZ and 1833MHZ doesn't have much difference. Benchmark tests shows only a mere 1% improvement in application performance.

    Anyway, now another question regarding processors:

    Intel® Core™ i7-3740QM Processor (2.7GHz, 6M Cache)
    Intel® Core™ i7-3840QM Processor (2.8GHz, 8M Cache)

    Price difference is $400.
     
  5. HostStage

    HostStage Jr. VIP Jr. VIP Premium Member UnGagged Attendee

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    Well i have 16GB on 2 PC, the maximum i reached is 13 GB i believe, and i push the PC to the limit. ;)

    SO i would go for the 1833Mhz.

    However, there another criteria you need to look for which is the CAS or the latency.

    It is expressed like the following : 9-9-9-24.

    The lower are those values the better. Generally, when you climb in frequency the CAS is raising a bit. But for instance, a RAM @ 1833Mhz with a CAS of 10-10-10-27 is faster than a RAM @1600mhz with a CAS of 9-9-9-24.
     
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  6. HostStage

    HostStage Jr. VIP Jr. VIP Premium Member UnGagged Attendee

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    Dealing with your CPU, i don't see a massive difference but the 0.1 Ghz missing. I would go for the cheaper.
     
  7. BlackSeng

    BlackSeng Jr. VIP Jr. VIP

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    Well, because one is 6M and the other is 8M.
    I recalled my old IT lectures that the M is important for CPU data processing or something (can't remember).
    So I'm wondering with that additional 2M and 0.1 GHZ more.... is it worth it?
     
  8. qrazy

    qrazy Senior Member

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    For your first question, go for higher RAM since there isn't much difference between two CPU clock frequencies. And for your CPU question go for the 2.7G & 6M cache only because the difference isn't worth $400
     
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  9. dennica

    dennica Jr. VIP Jr. VIP Premium Member

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    Intel® Core™ i7-3840QM Processor (2.8GHz, 8M Cache)

    this is a lot better when it comes to gaming, simulation and multithreading...
     
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  10. HostStage

    HostStage Jr. VIP Jr. VIP Premium Member UnGagged Attendee

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    Well, yeah there is this difference too. It is indeed important, but does it justify $400 for a personal PC, i'm really not sure.

    I have faith in saying that most of the nowadays CPU are ahead of the use we make, especially with hyperthreading.

    Anyhow, you are building a laptop if i'm not mistaken and if you were trully after sick performances you would have picked a desktop PC.

    I would save $400 on this one, but that's me :).
     
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  11. HostStage

    HostStage Jr. VIP Jr. VIP Premium Member UnGagged Attendee

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    I'm really unsure about that too..

    The capital point for those CPU is hyperthreading. I would pay $400 more for hyperthreading that's for sure, but it isn't the case here. I made the mistake to pick one without HT and i feel it. COnsequently i'm using a 4 years old CPU with HT over a 1 year old without HT.
     
  12. Cas87

    Cas87 Regular Member

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    Intel® Core™ i7-3740QM Processor (2.7GHz, 6M Cache) is the better choice IMO.. $400 difference can't be justified there..

    Intel® Core™ i7-3840QM Processor (2.8GHz, 8M Cache) is a better processor..

    If money is not a problem for you then go for the second option
     
  13. BlackSeng

    BlackSeng Jr. VIP Jr. VIP

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    Yeah, right now I'm using Dell Precision M4500 (been using it for 2 years and it has NEVER failed me. Love this product.).

    Few more months later, I MIGHT be getting the new Dell Precision M4700. Haven't yet to confirm though.
    I was thinking of pushing its upgrades to:
    Intel® Core™ i7-3840QM Processor (2.8GHz, 8M Cache)
    32 GB RAM 1600 MHZ
    NVIDIA® Quadro® K2000M with 2GB GDDR3
    .etc.

    But it's gonna cost S$4,200 (USD$
    3,427.73).

    And also, with that kind of money, I could have built a super desktop computer (quad core/8 processors at 3.4 GHZ, 32GB RAM, advanced cooling system, high end graphics card, .etc)....


    Keeping in mind that I will be renting an office in future. So I'm not sure whether to buy another laptop and put this current laptop in the office; or buy a super desktop computer and put it in office and continue using this laptop as I travel around.
     
    Last edited: Jan 10, 2013
  14. proxygo

    proxygo Jr. VIP Jr. VIP Premium Member

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    i just recently built 2 gaming pcs 1 for me and the wife
    and i asked the same question you did on tomshardware
    1600 - 1833 - there response was, the most popular ram
    at the moment is 1600 its reasonably priced, performs well
    and the cost set against the 1833 isnt really woth the $
    performance gain and wont be noticeable. review

    Dual-channel performance with the second generation Sandy Bridge processors just rocks,
    actually it rocks extremely hard. One can only imaging what is going to happen with the
    upcoming Ivy bridge processor supporting ever faster memory.
    But yeah dual-channel on a Series 6 Intel chipset motherboard in combo with a nice Sandy
    Bridge based processor including 2500/2600 series, well just hauls massive as.

    for an average modern pc this is plenty, and my mobo supports 2133 - but i still went 1600 below

    http://www.google.co.uk/products/ca...ih=553&um=1&ie=UTF-8&cid=12039693794734759875

     
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    Last edited: Jan 10, 2013
  15. qrazy

    qrazy Senior Member

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    Most of the instructions related to gaming/multimedia is performed by the GPU(graphics), so it's better to have high double the RAM than to have 100Meg increase in CPU..

     
  16. Zapdos

    Zapdos Power Member

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    The Quadro series is for professional use. You will get absolute shit for FPS in games as they're optimize for OpenGL/floating points used in 3d applications such as 3DS, Maya, AutoCAD etc. If you're not doing 3d work and its not for use in-rack, just stick to consumer grade stuff. Also...

    Save yourself some money and get:
    CPU: Intel 3770k (quad) - $300 OR 3930k (hexa) - $569
    RAM: As much as you want. Timings don't matter. - ~$140
    VGA: Radeon 7950 BOOST (~$300) OR Nvidia 670 (~$350) OR Nvidia 680 (~$480). The 7950 is normally on par with the 670. Use the boost feature and it reaches 680 territory. Downsides are the drivers at the moment. Alternatively you can wait a few months as both companies are going to be releasing their next gen cards soon. You'll have new ones to choose from and older cards will see a price drop.
    SSD: Intel. ~$1-1.5 per gig.
    Case: Get a large one such as a Lian-Li PC80 ($300->$500)
    CPU Cooler: Cooler Master Hyper 212 EVO ($40) OR Noctua NH-D14 ($90). The EVO is smaller and would be my recommended choice until you know clearence for it due to motherboard design and case size. Be sure the cooler is compatible with your MB before buying.

    You get HT, extreme GPGPU performance if you go with Nvidia and fast response times.


    EDIT: May be better with the 3770k... I never looked at the 3930k benchs before. Not very favorable compared to the 3770k when you consider the price difference for motherboards and the CPU itself.
    http://www.anandtech.com/bench/Product/551?vs=552
     
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    Last edited: Jan 10, 2013
  17. No.RuleZ

    No.RuleZ Elite Member

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    its not a major different between those cpu, i will not spend more 400 just to get a little more performance
     
  18. Aaric

    Aaric Elite Member

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    1600mhz at 32 GB
    Just to give full memory to run from ram.

    Intel® Core™ i7-3740QM Processor (2.7GHz, 6M Cache)

    do not think the difference is worth 400 bucks.Only a few times os uses 80%-100% cpu.
     
    Last edited: Jan 10, 2013
  19. BlackSeng

    BlackSeng Jr. VIP Jr. VIP

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    True... thanks a lot guys.Anyway, I still have like 6 months more to finish my national service.By then, I believe there will be discounts and a newer model of the Dell Precision.
     
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  20. Aaric

    Aaric Elite Member

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    Yeah, wish you good luck with that. have good one.
     
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