Wednesday, April 27th 2022
AMD Ryzen 7000 "Raphael" to Ship with DDR5-5200 Native Support
AMD's upcoming Socket AM5 Ryzen 7000-series "Raphael" desktop processors will ship with native support for DDR5-5200 memory speed, according to a marketing slide by memory maker Apacer (which also owns the overclocking memory brand ZADAK). The "Zen 4" based desktop processors will feature a dual-channel DDR5 (4 sub-channel) interface, just like the 12th Gen Core "Alder Lake," but with no backwards compatibility with DDR4.
AMD already stated that Ryzen 7000 processors have a design focus on memory overclocking capabilities, including AMD EXPO, a custom memory module SPD extension standard rivaling Intel XMP 3.0, which will come with fine-grained settings specific to the AMD memory controller architecture. Until now, AMD relied on A-XMP, a motherboard vendor-enabled feature based in the UEFI firmware setup program, which translates Intel XMP SPD profiles of memory modules into AMD-approximate settings.
The Apacer slide also confirms that EPYC "Genoa" processors will come with DDR5-5200 native support. The Socket SP5 processors feature a 12-channel DDR5 (24 sub-channel) memory interface. The already-launched Ryzen 6000 "Rembrandt" mobile processors come with dual-channel (4 sub-channel) DDR5-4800 and LPDDR5-6400 interfaces.
AMD Ryzen 7000 "Raphael" processors natively supporting DDR5-5200 means that JEDEC PC5-42600 standard memory modules will run at that speed without any settings being needed in the UEFI setup program. For higher frequencies, such as DDR5-6000, AMD will rely on EXPO-certified memory modules, or possibly A-XMP like BIOS-level translators for Intel XMP 3.0 profiles.
Sources:
momomo_us (Twitter), Apacer Industrial, VideoCardz
AMD already stated that Ryzen 7000 processors have a design focus on memory overclocking capabilities, including AMD EXPO, a custom memory module SPD extension standard rivaling Intel XMP 3.0, which will come with fine-grained settings specific to the AMD memory controller architecture. Until now, AMD relied on A-XMP, a motherboard vendor-enabled feature based in the UEFI firmware setup program, which translates Intel XMP SPD profiles of memory modules into AMD-approximate settings.
AMD Ryzen 7000 "Raphael" processors natively supporting DDR5-5200 means that JEDEC PC5-42600 standard memory modules will run at that speed without any settings being needed in the UEFI setup program. For higher frequencies, such as DDR5-6000, AMD will rely on EXPO-certified memory modules, or possibly A-XMP like BIOS-level translators for Intel XMP 3.0 profiles.
50 Comments on AMD Ryzen 7000 "Raphael" to Ship with DDR5-5200 Native Support
Though I know that's not what you meant ;)
But I do think people should do more than just game on a PC. There's so much to learn!
I use a GPU encoding, so i dont need or use the extra cores most of the time.
That said, i do occasionally rip and encode DVD's i own (kids shows that arent available online) so an 8 core made sense for me as a secondary benefit there
DDR5 (32GB) starts at around 200€, DDR4 (32GB) starts at around 100€.
There will be tons of people who go with a Intel platform because of the cheaper DDR4 kits.
(and when Intel users used to ran about how intel was better for lower latencies in Aida64, until that flipped and ryzen has lower latency while intel has higher low...)
Anyway, we all certainly will compare the shit out of them - it's just not going to be simple
I guess I should have said "you can't compare performance on memory clockspeed alone"
I’m still wondering what the “sweet spot” will be for DDR5…Yes it is, but coming almost one year later to the game, this is hardly unexpected.
Problem is, at the current price point a DDR5 only platform will be hard to swallow for many.That’s not going to last forever. Games are moving into multithreaded approach with new engines. It still take a while, but it is something already happening.
AM4 had the same single-memory type to support (too bad it took them until Zen 2 before they supported LPDDR4X, but after that power consumption was tamed!)
The fact that Zen 3 + notebook refresh are all using DDR5 at the same rough power levels mean we shouldn't expect any initial problems with AM5 power consumption
It'll be DDR5-5200 42-42-42
At DDR5-6500 we'll hit 52-52-52Wut? You always want the highest possible frequency, as you're overclocking the entire memory subsystem that way, and not just the DIMMs. The primary timings will complete in similar amounts of time regardless of frequency most of the time, it's hardly unreasonable to expect B-die kit capable of 1800 MHz 14-14-14 to also run 2200 MHz 17-17-17
The reason "AMD overclockers" think timings matter more than frequency is because a multitude of reasons
- They've only overclocked Ryzen CPUs of the non-Cezanne and -Renoir kind.
- Vermeer and Matisse can't have the IMC running faster than FCLK, meaning that if you try to push memory beyond the FCLK limit you end up halving the IMC's frequency (UCLK).
- Summit Ridge and Pinnacle Ridge have slow IMCs that are often incapable of running at high memory frequency, even though they exhibit the typical scaling of higher memory frequency being universally better for performance.
As for comparing AMD and Intel, it'll be perfectly viable. The names of subtimings will certainly differ, but the primary timings will remain the same.Judging by how limited AM4 overclocking ended up becoming after Matisse, the broken FCLK implementation beyond 1900 MHz on Vermeer, and the significant limitations for the 5800X3D, I doubt AM5 will improve overclocking in any significant manner, but I hope I'm wrong.
However, you also forget to mention the much longer socket/mobo support than Intel and the option to build an even cheaper system with the use of B series mobos in which Zen CPUs are able to be OCd.
Multiple CCX with this tech will come with Zen5 IMO, with the revised heatspreader controlling the temperatures better