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what would be a good upgrade from a gygabyte hd 7870 oc 2gb - Page 2

post #11 of 27
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

It will.those review where you See slow down of performance when they pass a vram quantity it is caused by the width of bus.this card has 384bits.the 680/770/760 have 4gb and 256bits and the 660/660ti 2/3gb and 192 bits

cool cool thanks alot very helpfull as always thumb.gif roll on the 24th now haha

a 280x might take away the pain of having to sell my 7870 lol i was gutted watching him walk away with a near as new card for £70

was my first graphics card and was wanting to keep it lol


tahiti xl is that the new ( dont even know what to call it) drivers or something

or is there newer?
Edited by gibby1690 - 1/7/14 at 12:55pm
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post #12 of 27
In the UK,you are free dumb litecoin miners that take all amd cards from the stock for making money...asdasd why this happened when I wanted to replace my 7870 lol
post #13 of 27
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Quote:
Originally Posted by PontiacGTX View Post

In the UK,you are free dumb litecoin miners that take all amd cards from the stock for making money...asdasd why this happened when I wanted to replace my 7870 lol

dont get you bud sorry
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post #14 of 27
The hd 7870xt is a hd 79xx with 1536shaders,2gb vram and 2x6pins power connectors

What I mean with the post above is that in US market litecoin miners buy amd card and they dont leave any in stock(only cheap ones) given that they have a LOT of opencl performance over geforce cards,for example luxrender which is an add-on for blender/3ds max/etc let you use opencl acceleration via gpu,which is a lot faster than a 780gtx or a Titan/780ti
http://www.tomshardware.com/reviews/radeon-r9-290x-hawaii-review,3650-34.html
http://www.extremetech.com/gaming/169402-to-slay-a-titan-amds-radeon-r9-290x-piledrives-nvidias-high-end-product-line/3
Edited by PontiacGTX - 1/7/14 at 1:12pm
post #15 of 27
Quote:
Originally Posted by PontiacGTX View Post

The hd 7870xt is a hd 79xx with 1536shaders,2gb vram and 2x6pins power connectors

What I mean with the post above is that in US market litecoin miners buy amd card and they dont leave any in stock(only cheap ones) given that they have a LOT of opencl performance over geforce cards,for example luxrender which is an add-on for blender/3ds max/etc let you use opencl acceleration via gpu,which is a lot faster than a 780gtx or a Titan/780ti
http://www.tomshardware.com/reviews/radeon-r9-290x-hawaii-review,3650-34.html
http://www.extremetech.com/gaming/169402-to-slay-a-titan-amds-radeon-r9-290x-piledrives-nvidias-high-end-product-line/3

^ What he said lol, our AMD prices are outrageous in the states due to their inherit performance for gpu based mining, makes me miss my 6950 quite a bit doh.gif

You'll be well off with the 280x models
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post #16 of 27
Thread Starter 
What I mean with the post above is that in US market litecoin miners buy amd card and they dont leave any in stock(only cheap ones) given that they have a LOT of opencl performance over geforce cards,for example luxrender which is an add-on for blender/3ds max/etc let you use opencl acceleration via gpu,which is a lot faster than a 780gtx or a Titan/780ti
http://www.tomshardware.com/reviews/radeon-r9-290x-hawaii-review,3650-34.html
http://www.extremetech.com/gaming/169402-to-slay-a-titan-amds-radeon-r9-290x-piledrives-nvidias-high-end-product-line/3[/quote]

how did we get onto bitcoining lol i cant even choose a decent card haha, i had a look and understand that amd are better for it so obv keep prices high and stocks low lol.

so from what i can see really its the bus speed you really want to look at first when buying a card? obv. 256 isnt as good as the 356 ( i think it is )

because my 7870 was OC at 1100/1200mhz standard

where as the r9 280xs ive seen arent even at 1000mhz on the core
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post #17 of 27
Thread Starter 
also this card you suggested http://www.amazon.co.uk/gp/product/B00FL8H57W?ie=UTF8&force-full-site=1&ref_=aw_bottom_links

its the best ive seen in terms of price per performance but it says it takes a 750w supply i only have a 550w no xfire or anything will it still be ok?
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post #18 of 27
Quote:
Originally Posted by gibby1690 View Post

What I mean with the post above is that in US market litecoin miners buy amd card and they dont leave any in stock(only cheap ones) given that they have a LOT of opencl performance over geforce cards,for example luxrender which is an add-on for blender/3ds max/etc let you use opencl acceleration via gpu,which is a lot faster than a 780gtx or a Titan/780ti
http://www.tomshardware.com/reviews/radeon-r9-290x-hawaii-review,3650-34.html
http://www.extremetech.com/gaming/169402-to-slay-a-titan-amds-radeon-r9-290x-piledrives-nvidias-high-end-product-line/3

how did we get onto bitcoining lol i cant even choose a decent card haha, i had a look and understand that amd are better for it so obv keep prices high and stocks low lol.

so from what i can see really its the bus speed you really want to look at first when buying a card? obv. 256 isnt as good as the 356 ( i think it is )

because my 7870 was OC at 1100/1200mhz standard

where as the r9 280xs ive seen arent even at 1000mhz on the core[/quote]the r9 280x are good for litecoin mining as far you keep them 24/7 and the bitcoin/litecoin exchange rate stay where they are

Here is explained the vram-bus width problem explained(same could happen with 4gb and 256bits)
Quote:
The best case scenario is always going to be that the entire 192bit bus is in use by interleaving a memory operation across all 3 controllers, giving the card 144GB/sec of memory bandwidth (192bit * 6GHz / 8). But that can only be done at up to 1.5GB of memory; the final 512MB of memory is attached to a single memory controller. This invokes the worst case scenario, where only 1 64-bit memory controller is in use and thereby reducing memory bandwidth to a much more modest 48GB/sec.
http://www.anandtech.com/show/6159/the-geforce-gtx-660-ti-review/2

And hd 7970/280x can reach 1.2ghz on core as a maximum the more common frecuency reached is 1.1ghz
Edited by PontiacGTX - 1/7/14 at 1:53pm
post #19 of 27
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

how did we get onto bitcoining lol i cant even choose a decent card haha, i had a look and understand that amd are better for it so obv keep prices high and stocks low lol.

so from what i can see really its the bus speed you really want to look at first when buying a card? obv. 256 isnt as good as the 356 ( i think it is )

because my 7870 was OC at 1100/1200mhz standard

where as the r9 280xs ive seen arent even at 1000mhz on the core
the r9 280x are good for litecoin mining as far you keep them 24/7 and the bitcoin/litecoin exchange rate stay where they are

Here is explained the vram-bus width problem explained(same could happen with 4gb and 256bits)
http://www.anandtech.com/show/6159/the-geforce-gtx-660-ti-review/2

And hd 7970/280x can reach 1.2ghz on core as a maximum the more common frecuency reached is 1.1ghz[/quote]


well i read that whole artical and to be honest im still none the wiser lol, think ill stick to the pricipal that bigger is better lol and i usually ask in here for advice before i make any buys nowadays as ive been stung before

so always like to ask a second opinion.

and as for OC im not to experienced at that either lol managed a small OC on my 7870 but most of time i left it standard and it did me well

and if the r9 280x is faster i might not need to OC, my 7870 ran bf3 on ultra not tried bf4 yet but im hopeing a r9 280x would run bf4 on ultra aswell, obv after CPU upgrade
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post #20 of 27
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http://www.techspot.com/review/734-battlefield-4-benchmarks/page6.html

i have a i3 3240 @ 3.4 ghz with HT on that thread there it shows an r9 290x with an i3 3220 gives out 95 fps

does that mean that my i3 which is faster than the 3220 would actually do quiet well with a r9 280x installed
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