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Intel’s Leaked Platform Roadmap Reveals Cascade Lake Scalable Platform, Coffee Lake-E, Coffee Lake-H and More Coffee Lake-S CPU Updates

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Feb 14, 2018
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The latest Intel roadmap seems to have been leaked over the internet and reveals details on a majority of upcoming Intel CPU platforms. The roadmap consists of many upcoming platforms that are planned for release this year but do note that these aren’t the complete roadmaps and may be changed by Intel in future revisions.

Leaked Intel Roadmap Reveals Cascade Lake-SP, Coffee Lake-E, Coffee Lake-H Processor Families

Starting off with the more interesting bits, Intel’s Cascade Lake platform is said to launch around Q3 2018. The Cascade Lake processors will be part of the Intel Scalable Processor Family which is their top Xeon server and workstation brand. The Cascade Lake-SP processor family will replace the first generation Skylake-SP family which is based on the Purley platform. Cascade Lake will be retaining support on the Purley Platform (Purley Refresh) and add new capabilities to the platform such as Vector Neural Network instructions (VNNI), Frequency architecture improvements and new DDR-T/Apache Pass DIMM support (select SKUs).

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Since Cascade Lake is more of a refresh, they will be compatible with the current Socket P (LGA 3647) and offer 1S, 2S and up to 4S scalability. Just like first generation Purley, the Cascade Lake family will feature support for 6 channels of DDR4 RDIMM / LRDIMM per CPU so that’s 12 DIMMs per socket. A maximum of 16 Gb of DDR4 capacity will be supported per DIMM at speeds of upto 2933 MHz (1 DIMM per channel) or 2666 MHz (2 DIMM per channel).

Intel will also deploy their UPI (Ultra Path Interconnect) technology on Cascade Lake CPUs which is a 3-way interconnect allowing for speeds of up to 10.4 GTS. A total of 48 PCIe high-speed IO lanes will be retained from the previous processors (PCIe Gen 3.0) while the Lewisburg chipset will offer support for IE, eSPI, Integrated Intel Ethernet (up to 4x10Gb/1 Gb ports) up to 14 SATA III, Up to 14 USB 2.0, Up to 10 USB 3.0, Up to 20 PCIe 3.0 ports (at 8 GT/s).

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The thing that remains to be known for the Cascade Lake-SP family is the total core count and power ratings. AMD is said to up their core count to 48/64 cores in the coming generation when EPYC “Rome” launches on 7nm. That launch is planned for early 2019. Intel on the other hand currently offers 28 cores maximum on their flagship Xeon part while AMD offers 32 cores on their flagship EPYC part. Intel can up the core count in the coming generation of Xeon CPUs to remain competitive in the multi-core era.

Intel Coffee Lake-E, Coffee Lake-H, Coffee Lake-S New SKUs Also Spotted in Leaked Roadmap

Moving onward, we have three different Coffee Lake families listed in the roadmap. First up, we have the Coffee Lake-E family which replaces the Kaby Lake-E family. Previously, The “E” branding was reserved for HEDT chips, but that has changed as the current HEDT lineup goes by the “X” brand. As such, the Coffee Lake-E chips mentioned here are part of the workstation Xeon E3 family that will be supported by the LGA 1151 socket. For the HEDT family, Intel has planned to launch their next-gen Cascade Lake-X processors by Q4 of 2018.

These chips will feature up to 6 cores and will be supported by the CNL PCH-H. Over the Kaby Lake E platform, Coffee Lake-E will offer faster memory support (DDR4-2666). Aside from that, it will retain the 16x PCIe Gen 3 lanes, Gen 9.5 graphics chip and ECC memory support. The platform itself will be known as “Mehlow Workstation” and is expected to arrive in Q2 2018. At least three of the chips have been mentioned which include:

  • Intel Xeon E-2176G (LGA 1151)
  • Intel Xeon E-2124G (LGA 1151)
  • Intel Xeon E-2176M (BGA Mobile)
  • Intel Xeon E-2186M (BGA Mobile)

There are more Coffee Lake chips inbound under the Coffee Lake-H and Coffee Lake-S (Mobile / Desktop) segments. On the desktop front, we are looking at Core i3-8100, Pentium G5400 and Celeron G4900 chips by Q2 2018. On the mobility front, we are getting Core i7-8850H and Core i5-8400H by the end of Q2 2018. There are more chips planned than these as reported in a previous leak. Details on those can be found in the table below:

Intel Coffee Lake-H Mobility CPUs

CPU NameIntel Core i5-8300HIntel Core i5-8400HIntel Core i7-8750HIntel Core i7-8850H (Partial Unlocked)Intel Xeon E-2176MIntel Xeon E-2186MIntel Core i9-8950HK (Fully Unlocked)
CPU FamilyCoffee Lake-HCoffee Lake-HCoffee Lake-HCoffee Lake-HCoffee Lake-HCoffee Lake-HCoffee Lake-H
PlatformMobile NotebookMobile NotebookMobile NotebookMobile NotebookMobile WorkstationMobile WorkstationMobile Notebook
CPU Cores4466666
CPU Threads881212121212
Base Clock2.30 GHz2.50 GHz2.20 GHz2.60 GHz2.70 GHz2.90 GHz2.90 GHz
Multi Core Boost3.90 GHz4.10 GHz3.90 GHz4.00 GHz4.10 GHz4.30 GHz4.30 GHz
Single Core Boost4.00 GHz4.20 GHz4.20 GHz4.30 GHz4.40 GHz4.80 GHz4.80 GHz
L3 Cache8 MB L38 MB L39 MB L39 MB L312 MB L312 MB L312 MB L3
TDP45W45W45W45W45WcTDP 45-35WcTDP 45-35W
Intel Optane SupportYesYesYesYesYesYesYes
Intel vPro TechnologyNoYesNoYesYesYesNo
Price$250 US$250 US$395 US$395 US$450 US$623 US$583 US

Intel Coffee Lake-S Desktop CPUs:

CPU NameIntel Celeron G4900Intel Celeron G4920Intel Pentium Gold G5400Intel Pentium Gold G5500Intel Pentium Gold G5600Intel Core i3-8300Intel Core i5-8500Intel Core i5-8600
CPU FamilyCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-SCoffee Lake-S
PlatformDesktop LGA 1151Desktop LGA 1151Desktop LGA 1151Desktop LGA 1151Desktop LGA 1151Desktop LGA 1151Desktop LGA 1151Desktop LGA 1151
CPU Cores22222466
CPU Threads22444466
Base Clock3.1 GHz3.2 GHz3.7 GHz3.8 GHz3.9 GHz3.7 GHz3.0 GHz3.1 GHz
Boost ClockN/AN/AN/AN/AN/AN/A4.1 GHz4.3 GHz
L3 Cache2 MB2 MB4 MB4 MB4 MB8 MB9 MB9 MB
GraphicsIntel UHD 610Intel UHD 610Intel UHD 610Intel UHD 610Intel UHD 630Intel UHD 630Intel UHD 630Intel UHD 630
TDP51W51W51W51W51W62W65W65W
Price$42 US$52 US$64 US$75 US$86 US$138 US$192 US$213 US
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