Summary and conclusion
SK hynix 16 Gbit A-Die is the new king of the DDR5 hill, even though the predecessor M-Die was already significantly faster than the competition. Now it’s Samsung’s and Micron’s turn to catch up, be it with higher bandwidths or lower latencies. The only consolation for the other IC manufacturers is that the upcoming AMD Zen 4 CPUs already reach their performance sweet spot at DDR5-6000, if the leaks are true.
For Z690 and Z790, Alder Lake and the upcoming Raptor Lake CPUs, the RAM ICs tested today should be the first choice for those looking for maximum performance. With more mature motherboards and memory controllers of the CPU, even clock rates beyond 8000 Mbps could be stable, but that remains to be seen.
Although the new ICs are not a quantum leap and are more of an incremental improvement, the steady performance increase of 800 Mbps in less than 12 months within JEDEC specs is remarkable. The timings behave largely identically to M-Die with slightly conservative requirements for the refresh settings, but with significantly lower voltage requirements and thus higher efficiency.
If you want to try out the new ICs yourself, you’ll have to go via Chinese proxies, whereby the price of about 350 Euros including shipping and import VAT isn’t really a bargain either. And then you also have to be lucky to catch modules with the unlockable Renesas PMICs. Those who can be patient should therefore probably wait for availability in the European market and or XMP kits from other manufacturers. Either way, we can already look forward to upcoming RAM kits and their performance potential.
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