News 4800MHz DDR4 XMP Memory Kit Shockingly Runs Faster at 2666MHz JEDEC

[Admin]

A YouTuber finds out his 4800MHz DDR4 memory kit actually performs worse in 3DMark TimeSpy compared to running it at 2666MHz.

4800MHz DDR4 XMP Memory Kit Shockingly Runs Faster at 2666MHz JEDEC : Read more

 

[Carlos Enrique]

That's pathetic.

 

[wifiburger]

this should be clear indication of the DDR5 scam, crazy high timings just to hit high frequency for no real performance gain in the end !

 

[Eximo]

Well, it depends on the task. Tighter timings have always benefited games more than workstation tasks that prefer bandwidth.

Still, this isn't apples to apples. DDR5 4800 is the entry level spec, if you can maintain the timings a DDR5 8400 kit might be on par with some of the better 3600 kits. Most people aren't going to go out and buy the $300-400 extreme overclocking kits.

 

[TJ Hooker]

1. The score difference is only ~4%, what is the variation from one run to the next without changing anything?
2. Did the memory controller go from gear 1 at 2666 MT/s to gear 2 at 4000 MT/s? If so, to what extent does that influence the score?

 

[Zhyr]

You do realise it's DDR4 and not DDR5, right?

 

[Eximo]

You do realise it's DDR4 and not DDR5, right?

I believe everyone here does. The comparison was in the timings, not the type of memory. If 2666 DDR4 can be faster than DDR4 4800 with loose timings, and we know the DDR5 4800 specs have extremely loose timings, it tells you the entry level DDR5 won't be worth it. Might even make more sense for gamers to grab the Alder Lake DDR4 boards.

 

[Finnegan1616]

I believe everyone here does. The comparison was in the timings, not the type of memory. If 2666 DDR4 can be faster than DDR4 4800 with loose timings, and we know the DDR5 4800 specs have extremely loose timings, it tells you the entry level DDR5 won't be worth it. Might even make more sense for gamers to grab the Alder Lake DDR4 boards.

36/6400*2000=11.25ns latency (DDR5-6400 CL36)
18/4000*2000=9ns latency (DDR4-4000 CL18)


so there's definitely some progress that needs to be done before it becomes a better choice


also, are RAM slots backwards compatible (can you put a DDR4 stick in a DDR5 slot, or a DDR3 into a DDR4 one)?

 

[Eximo]

also, are RAM slots backwards compatible (can you put a DDR4 stick in a DDR5 slot, or a DDR3 into a DDR4 one)?

Not at all.

 

[Finnegan1616]

Not at all.

well, hopefully they get better by April lol