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Gold-coloured square server processor with gold contact pads on the underside, silver heat spreader on top, no cooler included

Intel

Intel Xeon Gold 6238R 28-core 2.20 GHz server processor

SKU CH-CDJG-3C4CX

28-core, 56-thread server CPU with 38.5 MB L3 cache, 2.20 GHz base clock and 4.00 GHz max turbo on LGA 3647 socket

  • CPU Socket TypeLGA 3647
  • Core NameCascade Lake
  • # of Cores28-Core
  • # of Threads56
  • Operating Frequency2.8 GHz
  • Max Turbo Frequency4.00GHz
  • 28 cores and 56 threads handle heavy multi-threaded workloads
  • 5 MB L3 cache keeps large data sets close to the cores
  • Turbo frequency up to 4.00 GHz accelerates bursty tasks
  • 4 GT/s QPI links sockets for scalable performance
  • 165 W TDP fits standard server thermal envelopes

28-core Xeon Gold 6238R server processor

The Intel Xeon Gold 6238R is a 28-core server processor built on the Cascade Lake architecture. It delivers 56 threads with a base frequency of 2.20 GHz and a maximum turbo frequency of 4.00 GHz. This CPU is designed for multi-socket server platforms requiring high core density and 64-bit compute capability.

LGA 3647 socket compatibility

This processor requires a motherboard with an LGA 3647 socket, also referenced as FCLGA3647. It supports six memory channels with a maximum capacity of 1 TB and communicates via a 10.4 GT/s QPI link. PCI Express 3.0 lanes provide I/O connectivity for storage and networking expansion cards.

No cooler included in the package

The processor is sold as a tray unit without a cooling device. System integrators must source a compatible heatsink or liquid cooling solution rated for the 165 W thermal design power. Virtualization technology support is enabled for hypervisor deployments.

Points forts

  • 28 cores and 56 threads handle heavy multi-threaded workloads
  • 5 MB L3 cache keeps large data sets close to the cores
  • Turbo frequency up to 4.00 GHz accelerates bursty tasks
  • 4 GT/s QPI links sockets for scalable performance
  • 165 W TDP fits standard server thermal envelopes

Caractéristiques

BrandIntel
SeriesIntel Xeon Gold
Part NumberSRGZ9
CPU Socket TypeLGA 3647
Core NameCascade Lake
# of Cores28-Core
# of Threads56
Operating Frequency2.8 GHz
Max Turbo Frequency4.00GHz
QPI10.4 GT/s
L3 Cache38.5MB
64-Bit SupportYes
Hyper-Threading SupportYes
Maximum Memory Capacity1TB
Memory Channel6 Channel
Virtualization Technology SupportYes
PCI Express Revision3.0
Thermal Design Power165W
Cooling DeviceCooling device not included - Processor Only

Questions sur cet article

What does the 2.20 GHz base frequency mean once the Xeon 6238R is installed in a server?

The 2.20 GHz base clock is the guaranteed minimum speed across all 28 cores under sustained load, so multi-threaded workloads run at least at this frequency.

What does the 10.4 GT/s QPI link cap in practice for the Xeon 6238R?

The 10.4 GT/s QPI interconnect limits inter-socket bandwidth to that rate, so dual-socket traffic cannot exceed this throughput.

What does the Xeon 6238R physically need to fit in a server chassis?

It requires an LGA 3647 socket and a cooler rated for 165 W TDP, as no cooling device is included with the processor.

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