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Thread: How much is my CPU bottlenecking me?

  1. #17
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    No idea, sorry...

  2. #18
    root Member DanceswithUnix's Avatar
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    • DanceswithUnix's system
      • Motherboard:
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    Is your PC a name brand & model? If it is, then we might be able to deduce from what is written on the case. If not, you might need to take the case off and try to find some identifying marks on the mainboard.

    Sometimes the BIOS screen gives some hints on power up too.

    To stick with your currrent motherboard you will need to swap your Celeron for a Pentium 4, but Intel change the socket spec about every 6 months so you need to find exactly what your motherboard can accept.

    Changing the motherboard gives more flexability, but costs an extra 40 quid or more and involves getting rather busy with the screwdriver.

  3. #19
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    Yep, here it is:

    http://www.packardbell.co.uk/product...225201-46.html

    It says "Socket: LGA 775", I take it that's the thing I'm looking for? So I look for P4's that match that socket? What does LGA mean?

    As you can probably tell there's hardly an original component left in it other than the processor and the motherboard, hope that's not a problem. Oh, and the PSU is the same too...

    OK, once I know where I am I'll need to price up a Pentium with the relative AMD + Mobo then.

  4. #20
    root Member DanceswithUnix's Avatar
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    • DanceswithUnix's system
      • Motherboard:
      • Asus X470-PRO
      • CPU:
      • 3700X
      • Memory:
      • 16GB 3200MHz
      • Storage:
      • 1TB Linux, 1TB Games (Win 10)
      • Graphics card(s):
      • Asus Strix RX Vega 56
      • PSU:
      • 650W Corsair TX
      • Case:
      • Antec 300
      • Operating System:
      • Fedora 30 + Win 10 Pro 64 (yuk)
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      • Benq XL2730Z 1440p + Samsung 2343BW 2048x1152
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    Excellent, a few clicks from there shows that you have an ASUS motherboard, my personal favourite brand: some may obviously disagree

    http://support.packardbell.com/uk/it...eymoon_ixtreme

    Note that you have a micro-ATX motherboard. That makes the PC smaller (which I think is good), but does limit your choices a tad if you wanted to replace the motherboard.

    Perhaps at this point you should say what your budget for upgrade would be, and someone who knows Intel CPUs could point you in the right direction there.

  5. #21
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    I don't really have a set budget, I'd spend any amount if I thought it was going to benefit me enough personally to warrant the cost. To put a figure on it though, from looking through ebuyer, it looks like the £100 - £130 range is for me.

    I have my eye on this one: http://www.ebuyer.com/customer/produ...duct_uid=87126
    What you think? Does that come with everything I need to get up and running, bearing in mind I don't overclock?

    Thanks for the motherboard info, I'll bear that in mind for the future. For now I think going through the hassle of finding the right one, replacing it etc. would be a bit over the top for my computing needs, but it's useful to know anyway.

  6. #22
    root Member DanceswithUnix's Avatar
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    • DanceswithUnix's system
      • Motherboard:
      • Asus X470-PRO
      • CPU:
      • 3700X
      • Memory:
      • 16GB 3200MHz
      • Storage:
      • 1TB Linux, 1TB Games (Win 10)
      • Graphics card(s):
      • Asus Strix RX Vega 56
      • PSU:
      • 650W Corsair TX
      • Case:
      • Antec 300
      • Operating System:
      • Fedora 30 + Win 10 Pro 64 (yuk)
      • Monitor(s):
      • Benq XL2730Z 1440p + Samsung 2343BW 2048x1152
      • Internet:
      • Zen 80Mb/20Mb VDSL
    Quote Originally Posted by Nobuo
    Thanks for the motherboard info, I'll bear that in mind for the future. For now I think going through the hassle of finding the right one, replacing it etc. would be a bit over the top for my computing needs, but it's useful to know anyway.
    It probably comes down to hassle. You would need something like this:

    http://www.scan.co.uk/Products/Produ...oductID=279355

    and then buy a CPU on top of that, and a 20 to 24 pin motherboard power adapter.

    Last time I did a motherboard change I had to re-install windows XP as well, adding to the hassle factor. Just changing CPU is a lot easier!

  7. #23
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    Right OK. Yeah I'd rather have AMD but to get one up and running is a lot of bother. I'm now pretty settled on that Intel chip, unless someone thinks I'm way off the mark here?

    Thanks a lot Unix, you've been wonderful. I take it from that mobo comment that I won't need to reinstall my OS from just replacing the CPU?

  8. #24
    root Member DanceswithUnix's Avatar
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    • DanceswithUnix's system
      • Motherboard:
      • Asus X470-PRO
      • CPU:
      • 3700X
      • Memory:
      • 16GB 3200MHz
      • Storage:
      • 1TB Linux, 1TB Games (Win 10)
      • Graphics card(s):
      • Asus Strix RX Vega 56
      • PSU:
      • 650W Corsair TX
      • Case:
      • Antec 300
      • Operating System:
      • Fedora 30 + Win 10 Pro 64 (yuk)
      • Monitor(s):
      • Benq XL2730Z 1440p + Samsung 2343BW 2048x1152
      • Internet:
      • Zen 80Mb/20Mb VDSL
    Quote Originally Posted by Nobuo
    Thanks a lot Unix, you've been wonderful. I take it from that mobo comment that I won't need to reinstall my OS from just replacing the CPU?
    Well, any of the Unix systems I have used would let you get away with it, though some would require minor persuation

    I am an electronics trained Unix head, hopefully someone else here can give a definitive "I've done that and it was all OK" for Windows. The problem I had was with the HAL not liking the new motherboard, and I believe if you know what you are doing you can repair even that.

  9. #25
    Anthropomorphic Personification shaithis's Avatar
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    There really should be no need at all to re-install windows after replacing nothing but the CPU.

    If you are going from single to dual-core you may need to do a bit of OKing on dialogs as it detects the "second CPU" and potentially change the HAL from Uniprocessor.

    With XP though, these things normally happen automatically, or with just a couple of OKs and a reboot.
    Main PC: Asus Rampage IV Extreme / 3960X@4.5GHz / Antec H1200 Pro / 32GB DDR3-1866 Quad Channel / Sapphire Fury X / Areca 1680 / 850W EVGA SuperNOVA Gold 2 / Corsair 600T / 2x Dell 3007 / 4 x 250GB SSD + 2 x 80GB SSD / 4 x 1TB HDD (RAID 10) / Windows 10 Pro, Yosemite & Ubuntu
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  10. #26
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    You seemed a little confused earlier in the thread, just to be clear - your CPU needs to match the socket type on your motherboard.

    An AMD chip won't fit into a motherboard designed for intel chips and vice versa.

    If you do eventually upgrade with a new motherboard and chip be aware that many motherboards in the shops now only have the newer PCI-Express graphics card slot, so a motherboard upgrade may also require a new graphics card. Some boards also require a newer type of memory - DDR2, your current memory is DDR1.

    We're in a transition period so motherboards that support the older DDR1 and AGP are still available but if you wait a year or so to upgrade it's likely that the only components you'll be able to keep are the hard drive, DVD drive and case.

  11. #27
    Senior Member Tobeman's Avatar
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    Quote Originally Posted by DanceswithUnix
    Well, any of the Unix systems I have used would let you get away with it, though some would require minor persuation

    I am an electronics trained Unix head, hopefully someone else here can give a definitive "I've done that and it was all OK" for Windows. The problem I had was with the HAL not liking the new motherboard, and I believe if you know what you are doing you can repair even that.
    If changing from a motherboard with chipset manufacturer x, to a motherboard with chipset manufacturer y, the easiest thing to do at the end of the day is a new Windows installation. However, if you're upto the job, removing certain bits from (I believe) device manager should allow a smooth integration of the new motherboard. This doesn't always work from my experience, so I tend to just format unless in extreme circumstances.

    Moving from the same chipset manufacturers, chances of success are higher.

  12. #28
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    Thanks a lot guys, I think I know everything I need to now. Switching motherboards definately seems like going too far, the change to AMD isn't worth all the other stuff I'd need to replace.

    I opened up my machine and looked at the CPU but couldn't find any confirmation of what socket I'm using. I'll just have to hope PB have got their facts straight! In any case I feel more than competent enough now to replace it myself. It's surprisingly easy.

    Nothing left now but to wait to be paid!

  13. #29
    Senior Member sawyen's Avatar
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    dun have to, just check on CPU-Z and it'll tell u..
    Me want Ultrabook


  14. #30
    root Member DanceswithUnix's Avatar
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    • DanceswithUnix's system
      • Motherboard:
      • Asus X470-PRO
      • CPU:
      • 3700X
      • Memory:
      • 16GB 3200MHz
      • Storage:
      • 1TB Linux, 1TB Games (Win 10)
      • Graphics card(s):
      • Asus Strix RX Vega 56
      • PSU:
      • 650W Corsair TX
      • Case:
      • Antec 300
      • Operating System:
      • Fedora 30 + Win 10 Pro 64 (yuk)
      • Monitor(s):
      • Benq XL2730Z 1440p + Samsung 2343BW 2048x1152
      • Internet:
      • Zen 80Mb/20Mb VDSL
    Quote Originally Posted by Nobuo
    I opened up my machine and looked at the CPU but couldn't find any confirmation of what socket I'm using. I'll just have to hope PB have got their facts straight! In any case I feel more than competent enough now to replace it myself. It's surprisingly easy.
    Does the motherboard look like this:

    http://uk.asus.com/products4.aspx?l1...74&modelmenu=1

    If it does, then those pages link to all the motherboard manuals, updates, supported CPUs etc. Motherboards tend to have quite a distinctive look, and hopefully (like in the picture) it has "P8S800-VM" written across it in big letters!

    Oh, might be worth checking BIOS updates. It could be that the new CPU you are considering was not around at the time your PC was built, in which case it is easier and less risky to re-flash with your current CPU.

  15. #31
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    Just thought I'd post a conclusion for the benefit of people using this thread for reference.

    I upgraded to a 2.8Ghz Pentium 4 LGA 775. Has a bit of a lower clock speed than I'd have liked, but I got it with a straight swap for my Celeron, which was a bit of a steal.

    3DMark05 scores increased from ~2400 to ~3200, and FFXIBench2 scores went from ~1500-H to ~3500-H. That's a big increase, and illustrates the point that Celerons definately suck for gaming. Essentially, if you're planning to do any gaming, you can't do any worse.

    Oh, and those scores are before any overclocking.

  16. #32
    Senior Member sawyen's Avatar
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      • CPU:
      • Intel Core i7 740QM
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      • 8192MB DDR3
      • Storage:
      • 256GB SSD, 1TB WD
      • Graphics card(s):
      • AMD Mobility HD 5870
      • PSU:
      • MSI stuff
      • Case:
      • N/A
      • Operating System:
      • Win 7 64bit
      • Internet:
      • Virgin ADSL rubbish
    I have heard that the 520s can get pretty high, depending on motherboard.. I'd be suprised if u cant get 3.4Ghz with a little help from an aftermarket cooler..
    Me want Ultrabook


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