Why Nvidia need ECC memory for its 3000 series GPU ?

Because GPUs do a lot of calculations, really fast, and need hardware fault correction of bit errors to keep their fp operations somewhat precise.
 


The first few question/answers in that video should clear it up a bit. In a nutshell, nVidia is making a multi-purpose "one size fits all" GPU designed for compute and gaming and you need ECC for compute and data center tasks.
 


The first few question/answers in that video should clear it up a bit. In a nutshell, nVidia is making a multi-purpose "one size fits all" GPU designed for compute and gaming and you need ECC for compute and data center tasks.


OK, that was helpful, thanks :)
 
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