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INTEL ROADMAP LEAKS: RAPTOR LAKE REFRESH, HEDT REPLACEMENT IN 2023

By Anton Shilov
published 1 day ago

Intel's 2023 desktop roadmap is reportedly detailed.

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Comments (9)

(Image credit: Intel)


Intel plans to make an important disclosure about its client PC platform roadmap
next week, but some parts of the presentation have already been leaked by HXL
(@9550pro (opens in new tab)). In fact, for performance PC enthusiasts, Intel's
Desktop and Workstation Platforms Roadmap that covers things like Raptor Lake-S
Refresh processors for 2023 desktops as well as Sapphire Rapids-64L/112L CPUs
set to address high-end desktops and workstations next quarter poses even more
interest. 




RAPTOR LAKE-S REFRESH: COMING IN 2023

One of the biggest surprises revealed by the leaked document is that Intel plans
to retain its Raptor Lake processors for desktops for another year. Set to
arrive in Q3 2023, Raptor Lake-S Refresh CPUs will continue to serve entry-level
workstations and desktops for enthusiasts, mainstream users, and commercial
desktop PCs.



The leaked roadmap does not reveal any specifications or improvements of the
Raptor Lake Refresh processors over existing products, but typically refreshes
increased clocks and sometimes features some minor improvements like enhanced
power delivery or different turbo boost algorithms. The excerpts from the
document also do not disclose whether Intel's 34-core Raptor Lake-S (RPLS-34C)
is a part of the RPL Refresh family, but something tells us that this piece of
silicon is reserved for workstations.



Image 1 of 2


(Image credit: @9550pro/Twitter)



(Image credit: @9550pro/Twitter)



What does strike the eye about Intel's plans for desktops in the second half of
2023 is the lack of its codenamed Meteor Lake processor that will rely on a
multi-tile (multi-chiplet) design. Perhaps, this part is reserved for mobile
platforms only or will arrive at desktops sometime in 2024.

Intel's Raptor Lake-S Refresh will continue to rely on Z790, W680, Q670, and
various 700-series chipsets. However, we do not have information on whether
these new parts will be drop-in compatible with existing motherboards (including
those powered by 600-series chipsets).




SAPPHIRE RAPIDS-64L AND SAPPHIRE RAPIDS-112L: XEON W-2400 AND XEON W-3400

Intel has not updated its workstation and high-end desktop platforms for about
three years now, and today its CPUs released in Q4 2019 – Q1 2020 (and based on
the Skylake microarchitecture from 2015) look rather pale, to put it mildly. For
those who want a high-end CPU from Intel, the new desktop platform roadmap
brings good and bad news.



(Image credit: @9550pro/Twitter)

The good one is that the company plans to introduce its Xeon W-2400 (Sapphire
Rapids-64L) and Xeon W-3400 (Sapphire Rapids-112L) offerings for desktop
workstations in Q1 2023. The bad news is that Intel essentially abandons its
HEDT product lineup and will address this market with Xeon-branded offerings and
platforms.

As revealed a week ago, both Xeon W-2400 and Xeon W-3400-series processors will
come in LGA4677 packaging and use motherboards based on the Intel W790 chipset.

As far as CPU features are concerned, Intel's Xeon W-2400 will offer up to 24
high-performance cores, 64 PCIe 5.0 lanes, a quad-channel DDR5 memory subsystem
supporting up to 2TB of DDR5 memory with ECC, as well as processor base power
(PBP) of up 225W. By contrast, Intel's Xeon W-3400 processors will come with up
to 56 high-performance cores, 112 PCIe 5.0 lanes, an octa-channel DDR5 memory
subsystem supporting up to 4TB of ECC memory, and a PBP of up to 350W.

Image 1 of 2


(Image credit: @9550pro/Twitter)



(Image credit: @9550pro/Twitter)



As for frequencies, the base clocks of all Sapphire Rapids-WS CPUs are pretty
low (from 1.90 GHz to 3.20 GHz, depending on the SKU), but Turbo frequencies
exceed 4 GHz in most cases. Actual clocks will rely on cooling systems and power
limits, so we will see how fast these CPUs are in real life. Many of the Xeon
W-2400/W-3400 models will come with an unlocked multiplier and overclockable, so
those who want to push these processors to their limits will have such an
opportunity. Meanwhile, it does not look like memory will be overclockable (not
that one needs it with a quad or eight-channel DDR5 memory subsystem).

Since we are talking about Xeons, these W-2400/W-3400 processors will support
all the workstation-grade reliability, availability, and serviceability (RAS)
features as well as capabilities like Virtual RAID on CPU (VROC) 8.0 and Intel
Volume Management Device (VMD) 3.04.

Image 1 of 2


(Image credit: @9550pro/Twitter)



(Image credit: @9550pro/Twitter)



In addition to increased core count, all-new CPU microarchitecture, PCIe Gen5,
and DDR5 support, the new workstation platform from Intel will feature
relatively comprehensive and up-to-date I/O capabilities courtesy of the W790
chipset. The new W790 core logic will provide up to 16 PCle 4.0 lanes, up to 12
PCle 3.0 lanes, up eight SATA ports, up to five USB 3.2 Gen2x2 connections, and
up to 10 USB 3.2 Gen2 ports. The chip will also integrate Wi-Fi 6E capabilities
and support two 2.5GbE PHY controllers. Furthermore, as the W790 is designed for
desktop PCs, it will come with HD Audio, MIPI SoundWare, and other features for
client PCs.

The W790 chipset does not support PCIe 5.0, Thunderbolt 3/4, or USB 4/4.1, which
is a pity. But keeping in mind that it connects to its host CPU with eight DMI
Gen4 lanes, this might be a logical move to ensure maximum I/O performance as
the chipset already packs quite a bit of bandwidth-hungry interfaces.


SAPPHIRE RAPIDS-SP: XEON SCALABLE ON C741

For those who need unbeatable performance, Intel will offer to use its Eagle
Stream platform, supporting up to two server-grade 4th Generation Xeon Scalable
Platinum, Gold, Silver, or Bronze (Sapphire Rapids-SP) processors. When equipped
with two CPUs, the platform will provide up to 112 high-performance cores with
Hyper-Threading, 160 PCIe Gen5 lanes, and up to 8TB of 16-channel DDR5 memory
per box. In addition, of course, this platform will offer all the RAS and remote
management capabilities in the Sapphire Rapids-WS but will naturally not offer
any overclocking features.

Image 1 of 4


(Image credit: @9550pro/Twitter)



(Image credit: @9550pro/Twitter)



(Image credit: @9550pro/Twitter)



(Image credit: @9550pro/Twitter)



While Eagle Stream workstations will offer unbeatable number-crunching
capabilities, they will rely on the server-grade C741 chipset (opens in new
tab) that does not support modern I/O capabilities. Workstation makers like Dell
and Lenovo will equip Sapphire Rapids-SP-based machines with a bunch of extra
controllers to make up for a modest chipsets, of course, so this might not be a
problem for those who get complete boxes.


MORE DETAILS ABOUT CLIENT PC PLATFORMS TO COME

While the desktop part of Intel's plans for 2023 is more or less clear, there
are several things that the company will address at its upcoming event for
investors. In addition to Meteor Lake, Arrow Lake, and Lunar Lake CPUs coming in
the next few years, Intel will likely talk about its plans for discrete
graphics, next-generation Thunderbolt based on USB 4.1, Wi-Fi 7, and a bunch of
other things that are set to make its platforms more appealing than those of its
rivals. So, stay tuned.




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Anton Shilov

Freelance News Writer

Anton Shilov is a Freelance News Writer at Tom’s Hardware US. Over the past
couple of decades, he has covered everything from CPUs and GPUs to
supercomputers and from modern process technologies and latest fab tools to
high-tech industry trends.






Topics
CPUs
Components
See all comments (9)


9 Comments Comment from the forums
 * STOP The Song & Dance
   A leak or the start of a planned flood. Every where we go, we hear of a leak
   here and a leak there, it's like the watergate scandal. New product leaks are
   normal, my cup has been filled to the brim one drop at a time. Is it news or
   just advertising. Sorry, I am not picking on INTEL,...
   Read More Reply
 * rtoaht
   Looks like Alder lake motherboard will be supported for 3 generations.
   Reply
 * bit_user
   This told me what I needed to know, which is that the W680 will not be
   replaced. That's a little unfortunate, but at least I don't have to wait for
   another generation of motherboards to launch.
   
   Now, there's just the issue of ECC DDR5 UDIMMs: price & availability. ...or,
   I guess that's backwards, as you have to be...
   Read More Reply
 * bit_user
   > rtoaht said:
   > Looks like Alder lake motherboard will be supported for 3 generations.
   
   Obviously, we'll have to wait and see, but I wouldn't count Raptor Lake R as
   a separate CPU generation. It's more likely to be like Haswell R, than Coffee
   Lake R.
   Reply
 * -Fran-
   > bit_user said:
   > This told me what I needed to know, which is that the W680 will not be
   > replaced. That's a little unfortunate, but at least I don't have to wait
   > for another generation of motherboards to launch.
   > 
   > Now, there's just the issue of ECC DDR5 UDIMMs: price & availability.
   > ...or, I guess that's backwards, as you have...
   
   Read More Reply
 * jp7189
   A workstation CPU with 350W base power?! What's the turbo power on something
   like that? ADL/RPL can easily double their base if allowed.
   Reply
 * TJ Hooker
   A little surprised that Intel's first desktop chips based on Intel 4 (meteor
   lake-S) are seemingly delayed, despite them bragging only a few days ago
   about Intel 4 being ready and on track for high volume in 2023.
   Reply
 * truerock
   > Admin said:
   > Intel's Raptor Lake to stay for long as Intel kisses goodbye to the HEDT
   > platform.
   > 
   > Intel Roadmap Leaks: Raptor Lake Refresh, HEDT Replacement in 2023 : Read
   > more
   
   
   This does not surprise me.
   There were rumors that Meteor Lake would have 6-power-cores which is less
   than Raptor Lake's 8-power-cores.
   There were definitely some issues going on...
   Read More Reply
 * bit_user
   > truerock said:
   > So, what is the deal? Is there some problem with getting 8-power-cores on
   > Meteor Lake?
   
   Meteor Lake is their first mass market tile-based CPU. Could be something to
   do with that?
   
   
   > truerock said:
   > Also, maybe the issue of efficiency-cores for desktop PCs will finally just
   > go away?
   
   Not a chance.
   
   
   > truerock said:
   > E-cores and integrated-graphics on a...
   
   Read More Reply
 * View All 9 Comments

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