MiSTer FPGA Forum

DDR3 is way faster then SDRAM yes. BUT DDR3 also has much higher latency then SDRAM, which could be a BIG deal with systems that was built using SDRAM. No, DDR3 hasn't higher latency than SD RAM. Where you get that information? Actually is opposite. Typical CAS latency for SD Ram at 133 MHz is 7.500 ns, for average DDR3 2133 MHz just below 0.500 n...

My main goal is to have the MiSTer run on cheaper FPGA boards. Interesting choice. That Kintex board have 256 MB built DDR3 RAM so we wouldn't need extra SD RAM module. Also 2x64 pin GPIO looks promising. We could have direct controller input in place of obviously missing SNAC, but digital/analog output board will be necessary. D1 nor Kintex board...

My main goal is to have the MiSTer run on cheaper FPGA boards. but I am not sure of how much that would cost (maybe around $50 or so for small quantities, depending on what features it will have). This has always been what kills these kinds of efforts, when folks in the past over the years tried to find "cheaper" alternatives to the mist...