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Thread: Skylake + DDR4

  1. #1
    Joined
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    Skylake + DDR4

    Intel Skylake isn't out yet, but so many DDR4 is out already. I am looking into a new build when Skylake comes out. I understand basic PC processes (FSB, temperature, etc), and I don't overclock (don't see the need for it). There's stuff I don't understand too. The new build would be for light video editing (including HD, but not 4K), some website development, and daily route tasks (internet, messages, Office, etc). I play ONE game, which is Serious Sam (SS4 is coming out around end of 2015), well, I also play online chess.

    Anyway... I keep same PC for long time (my now PC is i5-750 with stock cooling, 7600GT, 4GB, 650watts, so on), which now the whole family uses this one PC. So, the next build is going to be once build, keep that way for years too.

    I know it's little early to start the shopping list, but I like to plan ahead. I am looking at the following:

    750W or 1000W PSU
    Skylake i7 CPU
    Corsair H75 (water cooling, at least it's better than stock)
    16GB RAM
    GTX970 GPU
    (2) SSD (one for everything, OS plus apps, and another for video capturing plus storage)
    DVD burner (maybe BluRay player, no need for BluRay burner?)

    i7 may be overkill, I will have to wait and see. i5 should be fine, but since it's once build, keep long time, why not jump into i7?

    GTX970 is overkill (since I play one game), but again, once build, keep long time. I did consider GT740 (for a nice $85) but isn't it "old" by now? Also, I want 2xDVI (for 2x23" monitors). I even thought to use integrated video (Skylake is GT4e).

    Concerning PSU, I will have to wait and see... but what I know now is Skylake will be 95W and GPU is 145W.

    Most concern is what RAM. DDR4 is available in these flavors: 1600, 1866, 2133, 2400, 2500, 2666, 2800, 3000, 3200 (I think that's all?) I remember years ago, the most important thing about RAM was CAS LATENCY. Correct me, the lower the numbers, the faster (better) they are? Now, in recent years, all I saw CAS LATENCY was climbing up and up? Does that not matter anymore? Along with the subject, would 16MB be good size for RAM (I am planning to stick with Win7 but might as well get Win10). If I was to pick a RAM, I would blindly hand pick the DDR4 2800, is that good?

    Any comments or remarks, please let me know... thanks.

    Chuck

  2. #2
    Joined
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    Location
    Lodoss, the cursed island
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    Re: Skylake + DDR4

    If you do video editing (doesn't have to be 4K), i7 will definitely be more beneficial than i5. So if your budget allows it, go for i7.

    Because of the recent memory configuration fiasco on GTX970, it may not be the best choice if you're going to keep it for a long time. The 3.5GB + 0.5GB memory configuration on the 970 may not be an issue at all for now, but it will rear its ugly head when future games start to use more complex textures or run at QHD+ resolutions. Since you plan to get Skylate which isn't due until at least August 2015, you may want to wait for the next gen graphics card from both AMD and NV.

    1kW is overkill for your system configuration and a waste of cash. Get a quality 80PLUS GOLD or Platinum 750W instead.

    Lower timing will still yield better performance as long as you are comparing the same type of memory (e.g. DDR3 vs DDR3). But the difference is pretty negligible nowadays. For example I'd rather save some money and get CL9 DDR3 than paying the premium for a CL8 kit. 16GB is gradually becoming the standard, so it will be a good start point.

    Marmo:
    Ci5 4690K + Gigabyte GA-Z97X-UD5H + 2x8GB Corsair 1600 C9 + Palit GTX980 SJ + 256GB(SSD)/1TB(HDD) running Win7 Pro x64.

    Kanon (wife's PC):
    Ci5 6600K + Gigabyte GA-Z270X-Gaming 5 + 2x8GB Corsair 2666 C16 + MSI GTX1080 G+X 11Gbps + 256GB(SSD)/1TB(HDD) running Win8.1 Pro x64.

    Alania:
    Dell Vostro 3460: Ci7 3632QM + HM77 + 6GB DDR3-1600 + Nvidia GT630M + 480GB SSD running Win7 Pro x64.

    Moss (Windows Hyper-V RemoteFX server):
    Ci5 6600K + Asus Maximum VIII HERO + 2x8GB Corsair 2666 C16 + MSI GTX660 TF + 2x2TB (RAID1) HDDs running Win2012 R2 Std. x64.

    Flame (Linux server / F@H):
    PIIX4 925 + ASRock 890FX Deluxe5 + 2x4GB Corsair 1833 C9 + Sapphire HD5750 1GB + 2x250GB(System RAID1)/3x500GB(3ware 9650SE-4LPML RAID5) HDDs running CentOS 6.7 x64.

    Valis:
    C2Q Q9650 + Asus P5Q3 Dlx. + 2x4GB Corsair 1600 C8 + EVGA GTX560 Ti SC + 2x74GB/500GB HDDs running Fedora 21 x64.



  3. #3
    Joined
    Dec 2001
    Location
    Brookfield, WI
    Posts
    2,715

    Re: Skylake + DDR4

    Quote Originally Posted by Parn View Post
    If you do video editing (doesn't have to be 4K), i7 will definitely be more beneficial than i5. So if your budget allows it, go for i7.
    Good point...

    Quote Originally Posted by Parn View Post
    recent memory configuration fiasco on GTX970
    Yeah, I was reading about that (3.5GB instead of 4GB, but then 0.5GB somewhere else). I hope to find something when Skylake comes out... meaning when new video cards come out, the cost is going to be high. I just happen to be attract to the GTX970 ability (MSAA becomes MFAA, also DSR... so that grass will look like grass and trees look like trees). I would just have to watch for the new stuff. But then I would be one the new buyer to try it out, hopefully not to find out it's garbage then.


    Quote Originally Posted by Parn View Post
    1kW is overkill for your system configuration and a waste of cash. Get a quality 80PLUS GOLD or Platinum 750W instead.
    Got it, thanks. 750W GOLD is it.

    Quote Originally Posted by Parn View Post
    16GB is gradually becoming the standard, so it will be a good start point.
    OK, 16GB is it. If 32GB is priced right, then I may jump into it. Also, reading about it lately suggests Quad Channel now? We were used with Dual Channel. So, I am to get the 4 DIMMs then? As standing perspective, 2 DIMMs (only 2 piece back and forth) is better than 4DIMMs (more data jumping around)?

    Chuck

  4. #4
    Joined
    Dec 2001
    Location
    Lodoss, the cursed island
    Posts
    3,524

    Re: Skylake + DDR4

    Quote Originally Posted by CNT View Post

    OK, 16GB is it. If 32GB is priced right, then I may jump into it. Also, reading about it lately suggests Quad Channel now? We were used with Dual Channel. So, I am to get the 4 DIMMs then? As standing perspective, 2 DIMMs (only 2 piece back and forth) is better than 4DIMMs (more data jumping around)?
    Quad Channel is only available on Intel HEPT platform (LGA2011v3, X99). The mainstream market is stuck with Dual Channel for now and I believe this won't change with Skylake. DDR4 are still fairly new and pricey. I doubt the price will drop much when Skylake launches this summer as the majority of the market is still on DDR3. It will probably take at least another 2 - 3 platform refreshes before the price of DDR4 falls down to the same level as the current DDR3.

    Marmo:
    Ci5 4690K + Gigabyte GA-Z97X-UD5H + 2x8GB Corsair 1600 C9 + Palit GTX980 SJ + 256GB(SSD)/1TB(HDD) running Win7 Pro x64.

    Kanon (wife's PC):
    Ci5 6600K + Gigabyte GA-Z270X-Gaming 5 + 2x8GB Corsair 2666 C16 + MSI GTX1080 G+X 11Gbps + 256GB(SSD)/1TB(HDD) running Win8.1 Pro x64.

    Alania:
    Dell Vostro 3460: Ci7 3632QM + HM77 + 6GB DDR3-1600 + Nvidia GT630M + 480GB SSD running Win7 Pro x64.

    Moss (Windows Hyper-V RemoteFX server):
    Ci5 6600K + Asus Maximum VIII HERO + 2x8GB Corsair 2666 C16 + MSI GTX660 TF + 2x2TB (RAID1) HDDs running Win2012 R2 Std. x64.

    Flame (Linux server / F@H):
    PIIX4 925 + ASRock 890FX Deluxe5 + 2x4GB Corsair 1833 C9 + Sapphire HD5750 1GB + 2x250GB(System RAID1)/3x500GB(3ware 9650SE-4LPML RAID5) HDDs running CentOS 6.7 x64.

    Valis:
    C2Q Q9650 + Asus P5Q3 Dlx. + 2x4GB Corsair 1600 C8 + EVGA GTX560 Ti SC + 2x74GB/500GB HDDs running Fedora 21 x64.



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