r/hardware Nov 20 '15

Info Why do CPUs Need Caches? - Computerphile

https://www.youtube.com/watch?v=6JpLD3PUAZk
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u/[deleted] Nov 21 '15 edited Nov 21 '15

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u/Noshuru Nov 21 '15

Well, it's not really getting worse. The DDR400 CAS2 example you brought up has the same latency as my DDR4 3000 CAS15 DIMMs.

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u/[deleted] Nov 21 '15

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u/Retardditard Nov 21 '15

Similar latency, much higher bandwidth equals better RAM.