Intel Z790 Motherboards With Up To DDR5-6800 & DDR4-5333 Memory Support Spotted

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Intel’s Z790 motherboards are coming soon for 13th Gen Raptor Lake Desktop CPUs and will offer enhanced DDR5 and DDR4 memory support.

Intel Z790 motherboards offer faster DDR5 and DDR4 memory support for 13th Gen Raptor Lake CPUs

In a datasheet leaked by Videocardz, presumably from MSI, we can see that the Z790 chipset motherboards will offer higher DDR5 and DDR4 memory speeds compared to the existing Z690 motherboards. In total there are three motherboards listed, one with DDR5 support and the other two with DDR4 support.

Intel Z790 DDR5 motherboard datasheet from MSI (Image Credits: Videocardz):

According to the datasheet, the DDR5 Z790 motherboard will have four DIMM slots supporting 128 GB capacities at the following speeds:

  • 1 DIMM per channel (1 rank) – up to DDR5-6800+
  • 1 DIMM per channel (1 rank) – up to DDR5-6400+
  • 2 DIMMs per channel (2 rank) – up to DDR5-6400+
  • 2 DIMMs per channel (2 rank) – up to DDR5-5600+

As for Z790 DDR4 motherboards, it looks like the maximum memory speed supported here will be DDR4-5333+. Following are the speeds listed for the faster Z790 DDR4 configuration:

  • 1 DIMM per channel (1 rank) – up to DDR4-5333+
  • 1 DIMM per channel (1 rank) – up to DDR4-4800+
  • 2 DIMMs per channel (2 rank) – up to DDR4-4400+
  • 2 DIMMs per channel (2 rank) – up to DDR4-4000+

Intel Z790 DDR4 motherboard datasheet from MSI (Image Credits: Videocardz):

On Z690 motherboards, the fastest memory speeds are listed as follows for the DDR5 and DDR4 motherboards in each respective segment.

  • MEG (DDR5) – Up to DDR5-6666+
  • MPG (DDR5) – Up to DDR5-6666+
  • MAG (DDR5) – Up to DDR5-6400+
  • MPG (DDR4) – Up to DDR5-5200+
  • MAG (DDR4) – Up to DDR4-5200+

In comparison, the AMD X670E motherboards listed so far range from DDR5-6600 to DDR5-6000 speeds. We recently reported two ASRock X670E motherboards and Biostar’s X670E Valkyrie, whose specs were recently detailed. You can read more about this here.

Biostar X670E Valkyrie motherboard:

  • Supports Dual Channel DDR5 6000+(OC)/5800(OC)/5600(OC)/5400(OC)/5200(OC)/5000(OC)/4800
  • 4 x DDR5 DIMM memory slot, Max. Supports up to 128 GB memory
  • Each DIMM supports non-ECC 8/16/32 GB DDR5 module

ASRock X670E Taichi Carrera Motherboard

  • Dual Channel DDR5 Memory Technology
  • 4 x DDR5 DIMM slots
  • Supports DDR5 ECC / non-ECC, unbuffered memory up to 6600+(OC)
  • Maximum system memory capacity: 128GB
  • Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules

Intel Z790 motherboards will launch in October along with the 13th-generation Raptor Lake CPU lineup. The motherboards will have support for PCIe Gen 5.0 and DDR5 memory, but they won’t have a PCIe Gen 5.0 M.2 slot connected directly to the CPU Gen 5 lanes unless the board vendors decided to use the discrete GPU x16 lanes. to split.

Intel 13th Gen Raptor Lake Desktop CPUs Expected Features:

  • Up to 24 cores and 32 wires
  • Brand New Raptor Cove CPU Cores (Higher P-Core IPC)
  • Based on 10nm ESF ‘Intel 7’ process node
  • Up to 6.0 GHz clock speeds (expected)
  • Double the E-Cores on certain variants
  • Increased cache for both P-Cores and E-Cores
  • Supported on existing LGA 1700 motherboards
  • New Z790, H770 and B760 motherboards
  • Up to 28 PCIe lanes (PCH Gen 4 + Gen 3)
  • Up to 28 PCIe lanes (CPU Gen 5 x16 + Gen 4 x12)
  • Dual-channel DDR5-5600 memory support
  • 20 PCIe Gen 5 lanes
  • Improved overclocking features
  • 125W PL1 TDP (Flagship SKUs)
  • AI PCIe M.2 technology
  • Launch Q4 2022 (possibly in October)

The Intel 13th Gen Raptor Lake desktop CPUs, including the flagship Core i9-13900K, are expected to launch in October on the Z790 platform. The CPUs will be up against AMD’s Ryzen 7000 CPU lineup, which also launches in Fall 2022.

Intel Raptor Lake vs AMD Raphael Desktop CPUs Comparison ‘Expected’

CPU family AMD Raphael (RPL-X) Intel Raptor Lake (RPL-S)
Process node TSMC 5nm Intel 7
architecture Zen 4 (Chiplet) Raptor Cove (P core)
Gracemont (E-Core)
Flagship SKU Ryzen 9 7950X Core i9-13900K
Cores / Wires Up to 16/32 Up to 24/32
Total L3 cache 64 MB (+3D V cache) 36MB
Total L2 cache 16MB 32MB
Total cache 80MB 68MB
Max bells (1T) 5.7GHz 5.8GHz
Memory support DDR5 DDR5/DDR4
Memory channels 2 channel (2DPC) 2 channel (2DPC)
Memory Speeds DDR5-5600 DDR5-5600
DDR4-3200
Platform Support 600 series (X670E/X670/B650/A620) 600 series (Z690/H670/B650/H610)
700 series (Z790/H770/B760)
PCIe Gen 5.0 Both GPU and M.2 (extreme chipsets only) Both GPU and M.2 (700 series only, but split)
Integrated graphics card AMD RDNA 2 Intel Iris Xe
Wall outlet AM5 (LGA1718) LGA 1700/1800
TDP (maximum) 170W (TDP)
230W (PPT)
125W (PL1)
240W+ (PL2)
launch Sep 2022 October 2022


The Valley Voice
The Valley Voicehttp://thevalleyvoice.org
Christopher Brito is a social media producer and trending writer for The Valley Voice, with a focus on sports and stories related to race and culture.

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