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Sapphire 5870 Maximum overclock

Steveo1982

Steveo1982

Steveo1982

Associate
Joined
28 Jan 2009
Posts
581
Hi guys,

Can see that these are on this weeks special offer for £299 so just wondering if:

A) This card is worth the money.
B) What the maximum overclock on air I can expect with this card.

Thanks
Steve
 
All depeneds on the card. Just like cpu's every card will clock differently. But 900-920 core and upto 1300 memory is easy.
I was thinking the same thing. But after buying a asus 5870. am glad i did. orsome cards. like it so much, went and bought another one. and went crossfire.
 
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If you've got £300 to spend you won't be disappointed, the 5850 is better value but the 5870 is the better card.

I havent heard of a 5870 that doesnt hit 900/1250, 900 being the hard limit on most cards.
 
Without a BIOS flash 900-940core and 1250-1300mem is the norm. With a BIOS flast (to ASUS or MSI) you can expect ~1000core after upping the GPU voltage a little.
 
Does going from 850 gpu to 900 make that much difference to the FPS ?

Which would be a better card the sapphire or pay the extra n get the asus with their 2 year warranty?
 
Mine wont OC anything past 850 (stock) on the core :( great card other than that, when i bought mine for £299 in Feb it was bundled with Dirt2 :D
 
Steveo1982 said:
Does going from 850 gpu to 900 make that much difference to the FPS ?

Which would be a better card the sapphire or pay the extra n get the asus with their 2 year warranty?
Click to expand...

The 5 series cards tend to have a pretty linear response to overclocking therefore a 10% increase in clocks = 10% increase in framerates.

so to answer your question going from 850 to 900 is a 5.8% increase which will be reflected in games.

As to whether it's worth doing, why not? It's extra performance for free.

It might just make the difference between a game running at 57 fps or running at a constant 60 fps.
 
mine will goto 875 on stock volts on stock cooler. It does work over that but i get some funny screen flashing and glitching.
 
Steveo1982 said:
Does going from 850 gpu to 900 make that much difference to the FPS ?
Click to expand...
Depends on the game and resolution. If you already get a constant 60fps then extra performance is wasted. If you get lower, or the game feels choppy, an extra 5, 10 or 20% will only help

Steveo1982 said:
Which would be a better card the sapphire or pay the extra n get the asus with their 2 year warranty?
Click to expand...
The ASUS actually has a 3 year warranty which fully backs voltage tweaking and overclocking. You will not need to BIOS flash the ASUS to reach 975-1000core speeds. But both cards are essentially the same so it is your call whether the additional ~£20 is worth the extra warranty and piece of mind. Personally, I would only buy ASUS or MSI cards due to officially supported overclocking and voltage mods. These cards should also retain used values slightly better
 
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LMAO thanks for that post creed. I am driving myself crazy trying to postpone buying an Asus 5870 but as you have just pointed out something that should have been obvious to me I think its time to buy.

Been driving myself crazy with Nvidia launch, waiting for 2GB cards, refresh speculation and wondering if ATI have any surprises for the 12th which I believe was the original stock date for Nvidia.
 
WhoMe? said:
LMAO thanks for that post creed. I am driving myself crazy trying to postpone buying an Asus 5870 but as you have just pointed out something that should have been obvious to me I think its time to buy.

Been driving myself crazy with Nvidia launch, waiting for 2GB cards, refresh speculation and wondering if ATI have any surprises for the 12th which I believe was the original stock date for Nvidia.
Click to expand...

Do you mean suprises from ATI on the 12th mate ?

The MARS editions of the matrix cards have been expensive but they are the ones with 4 gig and are super limited edition cards.

Dont think this one would be too much more than a 5870 as it looks like the asus version of the 2gig eyefinity cards but with better cooling and overclock potential.
 
Yeah I dont have anything to base it on but was hoping that maybe ATI release something to spank the 480 a bit more :) (This comment is not meant to inflame Nvidia fans it just that I am greedy and want an even better card from ATI.....or Nvidia for that matter)

It would be really nice to have an Asus with a better than stock cooler if it isnt silly money. I am obviously looking for overclock headroom :D Im not tempted too much by 2GB anymore as it wont affect me much at the moment.
 
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