http://www.anandtech.com/bench/Product/549?vs=517
As the resolution is increased the gap btw 7850 and 580 narrows and at 25x14 ultra 4x msaa it is just about 12-14% slower than 580 but a lot faster than 570 due to 570S lack of VRAM, it is like 50% faster than 570, more like 45% but just 12-13% slower than 580. But at 16x10 even 570 is faster.
http://www.anandtech.com/bench/Product/508?vs=555
At these settings the difference btw a stock 7970 and stock 680 narrow down to just 10% which will easily be covered by 7970s superior overclock scaling. That means clock to clock the 7970 does a bit better at this Rez with msaa
Future games will need at least 1.5-2 gig VRAM to max out. A 580 wont be much faster than a 7850 stock to stock in games to be released after 1-2 years. And a 7870 stock will crush an Oced 580 then
For most games today 1.5 gig is plenty but 1 year down the line at would be a necessity just like 1.25 gig no longer cuts in skyrim at those settings while 1.5 gig is plenty. IMO 2+ go is safe for the next 1+ years and if you plan to use your card for at least 2 years then 7970 is better than 680 because 2 gig will eventually fall short just like 570s 1.25 gig fell short despite having enough juice otherwise.
Get a 680 if you will upgrade within 1.5 years, otherwise get 7850 cf which even otherwise beats a 680 oc
As the resolution is increased the gap btw 7850 and 580 narrows and at 25x14 ultra 4x msaa it is just about 12-14% slower than 580 but a lot faster than 570 due to 570S lack of VRAM, it is like 50% faster than 570, more like 45% but just 12-13% slower than 580. But at 16x10 even 570 is faster.
http://www.anandtech.com/bench/Product/508?vs=555
At these settings the difference btw a stock 7970 and stock 680 narrow down to just 10% which will easily be covered by 7970s superior overclock scaling. That means clock to clock the 7970 does a bit better at this Rez with msaa
Future games will need at least 1.5-2 gig VRAM to max out. A 580 wont be much faster than a 7850 stock to stock in games to be released after 1-2 years. And a 7870 stock will crush an Oced 580 then
For most games today 1.5 gig is plenty but 1 year down the line at would be a necessity just like 1.25 gig no longer cuts in skyrim at those settings while 1.5 gig is plenty. IMO 2+ go is safe for the next 1+ years and if you plan to use your card for at least 2 years then 7970 is better than 680 because 2 gig will eventually fall short just like 570s 1.25 gig fell short despite having enough juice otherwise.
Get a 680 if you will upgrade within 1.5 years, otherwise get 7850 cf which even otherwise beats a 680 oc
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