I'm planning to step up from my GTX 660 Ti SLI setup to increase performance with my Nvidia Surround setup (5760*1080). I'm looking at replacing them with either, in favorable order:
1. GTX 780 Ti
2. GTX 770 SLI 4GB or 2GB
3. GTX 770 3-way SLI 4GB or 2GB
4. GTX 780 SLI
My question is, how does the memory bandwidth of a card affect performance with varying sets of memory capacities?
Eg:
Does 3GB @384-bit on a GTX 780 beat 4GB @256-bit on a GTX 770 at 5760*1080, and at what resolutions do each make sense?
Here's a list of memory configurations to help me make sense of it all if anyone can clarify it:
384-bit@3GB, SLI & non-SLI @ 5670*1080 (abbreviated to NvS for Nvidia Surround), 1440p, 1080p
256-bit@4GB, SLI & non-SLI @ Nvs, 1440, 1080
256-bit@2GB, SLI & non-SLI @ NvS, 1440, 1080
TLDR; Trying to balance memory bandwidth vs capacity such as 384-bit@3GB vs 256-bit@4GB at higher resolutions, and whether or not SLI will have bottleneck issues due to memory bandwidth.
1. GTX 780 Ti
2. GTX 770 SLI 4GB or 2GB
3. GTX 770 3-way SLI 4GB or 2GB
4. GTX 780 SLI
My question is, how does the memory bandwidth of a card affect performance with varying sets of memory capacities?
Eg:
Does 3GB @384-bit on a GTX 780 beat 4GB @256-bit on a GTX 770 at 5760*1080, and at what resolutions do each make sense?
Here's a list of memory configurations to help me make sense of it all if anyone can clarify it:
384-bit@3GB, SLI & non-SLI @ 5670*1080 (abbreviated to NvS for Nvidia Surround), 1440p, 1080p
256-bit@4GB, SLI & non-SLI @ Nvs, 1440, 1080
256-bit@2GB, SLI & non-SLI @ NvS, 1440, 1080
TLDR; Trying to balance memory bandwidth vs capacity such as 384-bit@3GB vs 256-bit@4GB at higher resolutions, and whether or not SLI will have bottleneck issues due to memory bandwidth.
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