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Upgrading CPU...
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28-06-2010 4:47pm#1
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350W+ if you've got a fairly basic (i.e. fewer than 20 fans and half a dozen HDDs!
) system.
If you went with a HD57x0 you could get it on a 300W PSU
What are the specs of your existing 300W PSU? If it has a decent 12V rail you might get away with keeping it
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Well, I have 1 HDD, the PSU fan, the CPU fan and 1 fan that's cooling the inside of the case. That seems pretty basic, lmao!350W+ if you've got a fairly basic (i.e. fewer than 20 fans and half a dozen HDDs!) system.
If you went with a HD57x0 you could get it on a 300W PSU
What are the specs of your existing 300W PSU? If it has a decent 12V rail you might get away with keeping it
Anyway, I've attached a pic of the PSU specs because I honestly couldn't tell you if it's worth keeping. Hopefully it is, but I rather get a new PSU to be on the safe side...don't want the thing to blow up in the middle of a game, lol!
Thanks for the reply, btw.0 -
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You could easily get away with it, although it'd be more comfortable with a HD5750 or even HD5770 rather than a GTS250 - the E8400 and the HD57*0s are a lot more frugal than you'd expect under heavy (non-torture) load. PSU seems like your usual decent-quality OEM jobbie you get with Dells, HPs, Fujitsus and some other larger OEMs who don't want the hassle of having to replace borked cheapie PSUs all the time
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Ah, so the PSU's decent? That's good to hear!You could easily get away with it, although it'd be more comfortable with a HD5750 or even HD5770 rather than a GTS250 - the E8400 and the HD57*0s are a lot more frugal than you'd expect under heavy (non-torture) load. PSU seems like your usual decent-quality OEM jobbie you get with Dells, HPs, Fujitsus and some other larger OEMs who don't want the hassle of having to replace borked cheapie PSUs all the time
Can you recommend a HD5750 or HD5770? I've did a search and there's tons of different ones.
Would those cards be any good for gaming, though?0 -
Hell yes
The HD5750 is about the same performance as the old GTS250 but only needs a fraction of the juice. Its happiest at resolutions under Full HD (1080p -1920*1080) though, especially for demanding titles like Metro and Crysis.
The HD5770 is slightly more powerful. More importantly, it has enough raw power to keep the more demanding titles running well at 1080p so long as you get a 1GB version. If you're not gaming at 1080p or only playing less demanding titles you should just get the cheapest HD5750 you can though 0 -
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:eek: Just going to buy one now for the sake of having one in my htpc so can use my other steam a/c on it. Thanks 0 -
Looking at the links in deceit's post, I've noticed that it says that the recommended PSU for the cards is 450w Should I get a 600w or 700w PSU for that or could they actually run with a 300w PSU?Hell yes The HD5750 is about the same performance as the old GTS250 but only needs a fraction of the juice. Its happiest at resolutions under Full HD (1080p -1920*1080) though, especially for demanding titles like Metro and Crysis.
The HD5770 is slightly more powerful. More importantly, it has enough raw power to keep the more demanding titles running well at 1080p so long as you get a 1GB version. If you're not gaming at 1080p or only playing less demanding titles you should just get the cheapest HD5750 you can though
Also, what settings would you say I'd be able to play games like S.T.A.L.K.E.R.: Shadow of Chernobyl and Fallout 3 at? Would I be able to play them at full resolution (I have a widescreen monitor. 1600x900 is it's highest res)?
BTW, thanks for the links to dabs.ie, deceit! Their PSUs are mad cheap! 0 -
Those "mad cheap" PSUs in Dabs aren't even worthy of the name "PSU" :mad: The reason companies give mad-high PSU recommendations is to insulate themselves against fools trying to use one of those PSUs
Suffice to say that your current 300W PSU, which dishes out 228W on the 12V rail, actually delivers more power (as everything and its dog relies on 12V current nowadays) than many cheap sub-500W PSUs and even some very cheap and nasty 600-700W PSUs :eek:
In truth, a loaded stock-speed system based around a E8400 and HD5750 could use ~160W on a bad day, with atrociously bad-binned parts. In practice, most 45nm C2Ds use ~35W when running at full clip, and even 1GB HD5750s usually use 60-65W running full-clip in Crysis Warhead, which is closer to FurMark than a game (Perestroika could make it go higher, but as its a LinPack-level death test running it for too long would melt most GPUs anyway!) So your system would most likely use roughly 120W of 12V power while gaming, which is comfortably close to the 50% mark for your current PSUs 12V rail capacity
I know those values sound incredibly low, but I have a similar rig with more fans, an inferior 45nm C2D OCd up to 3.33GHz and a HD4830 (which is a fair bit hungrier than a HD5750) also OCd. My PSU has a built-in DVM monitoring suite and the highest reading I've ever pulled under heavy gaming conditions is 150W. Your rig would be more powerful than mine and less power-hungry, so go figure. And while you think on that please consider exactly how these figures translate into the manufacturer's "we recommend a 450W PSU for this card" bit - it means there must be some godawful PSUs out there on the market. Probably sold by Dabs :pac:
As for the HD5750? It should be fine with that sub-1080p resolution, pretty much its preferred hunting ground actually 0 -
Those "mad cheap" PSUs in Dabs aren't even worthy of the name "PSU" :mad: The reason companies give mad-high PSU recommendations is to insulate themselves against fools trying to use one of those PSUs
Suffice to say that your current 300W PSU, which dishes out 228W on the 12V rail, actually delivers more power (as everything and its dog relies on 12V current nowadays) than many cheap sub-500W PSUs and even some very cheap and nasty 600-700W PSUs :eek:
In truth, a loaded stock-speed system based around a E8400 and HD5750 could use ~160W on a bad day, with atrociously bad-binned parts. In practice, most 45nm C2Ds use ~35W when running at full clip, and even 1GB HD5750s usually use 60-65W running full-clip in Crysis Warhead, which is closer to FurMark than a game (Perestroika could make it go higher, but as its a LinPack-level death test running it for too long would melt most GPUs anyway!) So your system would most likely use roughly 120W of 12V power while gaming, which is comfortably close to the 50% mark for your current PSUs 12V rail capacity
I know those values sound incredibly low, but I have a similar rig with more fans, an inferior 45nm C2D OCd up to 3.33GHz and a HD4830 (which is a fair bit hungrier than a HD5750) also OCd. My PSU has a built-in DVM monitoring suite and the highest reading I've ever pulled under heavy gaming conditions is 150W. Your rig would be more powerful than mine and less power-hungry, so go figure. And while you think on that please consider exactly how these figures translate into the manufacturer's "we recommend a 450W PSU for this card" bit - it means there must be some godawful PSUs out there on the market. Probably sold by Dabs :pac:
As for the HD5750? It should be fine with that sub-1080p resolution, pretty much its preferred hunting ground actually
I agree with solitaire, dont touch them psu's. Your psu should handle both cards, can see here what the max the 5770 needs with a power hungry core i7 overclocked with all energy saving features turned off, watercooling and cathodes drawing from the psu also. http://www.guru3d.com/article/radeon-hd-5770-review-test/110 -
Also check out xbit's HD57*0 articles, just remember Perestroika/OCCT tests are not equivalent to any normal gaming usage!
Look at how the GTS250 uses twice as much juice as the HD5750 1GB 0 -
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Yeah, they stopped doing that for a long time, they've only started with that **** again recently
But its still worth the hassle if you're saving €40-odd never mind on just one component! Just gotta persevere...
If it makes you feel any better, I learned from hard experience that Dabs is worse :eek:0 -
I'm not going to take any chances, though. God knows what they'd do if something were to get lost in the post or damaged.Yeah, they stopped doing that for a long time, they've only started with that **** again recently But its still worth the hassle if you're saving €40-odd never mind on just one component! Just gotta persevere...
Christ, I was going to use them once (Or if) I get a refund! Thanks for the heads up!If it makes you feel any better, I learned from hard experience that Dabs is worse :eek:0 -
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