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Hardware Thread, Recommend a graphics card in Technical; Nah, but they're surprisingly cheap...
  1. #61

    ICTDirect_Dave's Avatar
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    Nah, but they're surprisingly cheap

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    mac_shinobi's Avatar
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    Quote Originally Posted by ICTDirect_Dave View Post
    What you need is one of my HP Z800s

    2 x PCI-e X16 and 2 x X8 slots to boot!

    Plenty of space in the case for a couple of beefy GFX cards and some extra expansion cards.

    Oh and It'll take a pair of Hex Cores and up to 96GB RAM
    More a work station than a desktop pc ?

    When you say hex cores - which CPU's are you talking about ? Xeon E5 or similar ?

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    Quote Originally Posted by nephilim View Post
    Putting the PCIe SSD in the machine means it will get a lower bandwidth as the GFX card takes the primary slot
    With the right motherboard (and chipset) you can have both without sacrificing performance.

    Also, there isn't much of a difference between a PC with two graphics cards in SLI/Crossfire and a PC with a single graphics card and a PCIe SSD, is there? In both configurations each PCIe 3.0 slot would have eight lanes.

    Quote Originally Posted by nephilim View Post
    According to a couple of places (Anandtech, tomshardware) x8 would give you 250mb, x4 would give you 125mb.




    The PCIe lanes on a Z87 motherboard can be split three different ways. PCIe 3.0 x8 would be 8GB/sec.


  4. #64

    mac_shinobi's Avatar
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    Quote Originally Posted by ICTDirect_Dave View Post
    Nah, but they're surprisingly cheap
    When you can't see the price, generally you can't afford it. So what's the damage on one of those fully configured with two GTX Titans , 32gb RAM etc etc etc

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    mac_shinobi's Avatar
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    Quote Originally Posted by Arthur View Post
    With the right motherboard (and chipset) you can have both without sacrificing performance.

    Also, there isn't much of a difference between a PC with two graphics cards in SLI/Crossfire and a PC with a single graphics card and a PCIe SSD, is there? In both configurations each PCIe 3.0 slot would have eight lanes.






    The PCIe lanes on a Z87 motherboard can be split three different ways. PCIe 3.0 x8 would be 8GB/sec.

    Thanks @Arthur

    Not allowing me to give rep * mumble mumble *
    Last edited by mac_shinobi; 18th February 2014 at 01:43 PM.

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    Quote Originally Posted by mac_shinobi View Post
    When you say hex cores - which CPU's are you talking about?
    Core i7-4930K, 4960X or Xeon E5/E7.

    A six-core i7-4930K is only £419.
    Last edited by Arthur; 18th February 2014 at 01:46 PM.

  7. Thanks to Arthur from:

    mac_shinobi (18th February 2014)

  8. #67

    nephilim's Avatar
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    Whilst I know that Arthur (TY for pointing it out) they are theoretical maximums, the real world applications can't hit those yet.

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    ICTDirect_Dave's Avatar
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    Titans I haven't a clue?

    The Processors are E/X 55 or 56 series Xeons. They're lovely


    Okay so the Hex Cores are Expensive (Just over £400 for a pair)

    But if you took one with a pair of X5560 Quad Core 2.80Ghz, 48GB Ram, SSD, 1TB HDD, DVDRW you'd be looking £750 odd.

    Okay so it's a bit steep without the good GFX cards, but boy are they quick!!

    Two titans would probably cost you something over £1200, but you could always start with one and put a second in later

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    nephilim's Avatar
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    Can only imagine the power that would need...lol

  11. #70

    mac_shinobi's Avatar
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    Quote Originally Posted by ICTDirect_Dave View Post
    Titans I haven't a clue?

    The Processors are E/X 55 or 56 series Xeons. They're lovely


    Okay so the Hex Cores are Expensive (Just over £400 for a pair)

    But if you took one with a pair of X5560 Quad Core 2.80Ghz, 48GB Ram, SSD, 1TB HDD, DVDRW you'd be looking £750 odd.

    Okay so it's a bit steep without the good GFX cards, but boy are they quick!!

    Two titans would probably cost you something over £1200, but you could always start with one and put a second in later
    So about £2,000 or a bit more then , would you need to upgrade the PSU if you are sticking two titans in there ?

  12. #71

    ICTDirect_Dave's Avatar
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    It's got a lovely toolless 850W PSU.

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    Quote Originally Posted by ICTDirect_Dave View Post
    Money is super tight hence me having to squeeze, I'll likely be happy to use ebay for this as I'll get a slightly better deal. I know there's a little more risk but I've been running hand me down cards for ten years now
    I can do you a GTX480 for 60 quid posted? It plays the majority of games at 1080p still!

  14. Thanks to AButters from:

    mac_shinobi (18th February 2014)

  15. #73

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    Quote Originally Posted by AButters View Post
    I can do you a GTX480 for 60 quid posted? It plays the majority of games at 1080p still!
    Thanks but i've got one sorted now

    Quote Originally Posted by ICTDirect_Dave View Post
    It's got a lovely toolless 850W PSU.
    Quoting myself here, but that should actually just about do it I'm thinking you'll use about 760W in high load.

  16. #74


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    Quote Originally Posted by nephilim View Post
    the real world applications can't hit those yet.
    You are right that graphics cards can't fully take advantage of all of the bandwidth provided by a PCIe 2.0/3.0 x16 slot (as demonstrated by the benchmarks below). Given this information, it would imply that a graphics card and PCIe SSD would be fine in the same system.



    Ultimately what is clear is that 8GB/sec of bandwidth, either in the form of PCIe 2 x16 or PCIe 3 x8, will be necessary to completely feed the 7970. 16GB/sec (PCIe 3 x16) appears to be overkill for a single card at this time, and 4GB/sec or 2GB/sec will bottleneck the 7970 depending on the game. The good news is that even at 2GB/sec the bottlenecking is rather limited, and based on our selection of benchmarks it looks like a handful of games will be bottlenecked. Still, there’s a good argument here that 7970CF owners are going to want a PCIe 3 system to avoid bottlenecking their cards – in fact this may be the greatest benefit of PCIe 3 right now, as it should provide enough bandwidth to make an x8/x8 configuration every bit as fast as an x16/x16 configuration, allowing for maximum GPU performance with Intel’s mainstream CPUs.
    Source: The Radeon HD 7970 Reprise: PCIe Bandwidth, Overclocking, & The State Of Anti-Aliasing « AnandTech



    Source: Impact of PCI-E Speed on Gaming Performance

  17. 3 Thanks to Arthur:

    AButters (19th February 2014), mac_shinobi (18th February 2014), nephilim (18th February 2014)

  18. #75

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    Have a thanks *cant rep you because I have done so recently*

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