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Intel Xeon Gold 5218 processor in LGA 3647 socket with metallic heat spreader and green substrate

Intel

Intel Xeon Gold 5218 16-Core Server Processor BX806955218

SKU CH-PJEH-ZF11Z MPN BX806955218

16-core server processor with 32 threads, 2.3 GHz base clock, 3.90 GHz max turbo, 22MB L3 cache, six memory channels at 2667 MHz, 48 PCIe 3.0 lanes and 125W TDP

  • Product nameXeon Gold 5218
  • CPU cores16-Core
  • CPU socketLGA 3647
  • Maximum turbo clock3.9 GHz
  • TDP rating125 W
  • Processor codenameCascade Lake
  • 16 cores and 32 threads handle heavy parallel workloads
  • 3 GHz base clock with 3.90 GHz max turbo frequency scales performance
  • 22 MB L3 cache reduces latency for data-intensive tasks
  • 6 memory channels at 2667 MHz deliver high bandwidth
  • 48 PCIe 3.0 lanes support extensive I/O expansion

16-Core Xeon Gold 5218

The Intel Xeon Gold 5218 is a 16-core server processor built for data-centre and hybrid-cloud workloads. It delivers 32 threads through Hyper-Threading support and runs on the LGA 3647 platform using 14 nm Cascade Lake architecture.

2.3 GHz base with 3.90 GHz turbo

The operating frequency sits at 2.3 GHz and can reach a maximum turbo frequency of 3.90 GHz, defining the compute throughput available for demanding applications. This clock range, combined with 22 MB of L3 cache, determines whether the chip matches a specific performance envelope.

Six-channel memory and 48 PCIe 3.0 lanes

An integrated memory controller supports six channels at 2667 MHz, while the processor exposes up to 48 PCI Express 3.0 lanes for high-bandwidth I/O. The 125 W thermal design power sets the cooling requirement, and the LGA 3647 socket dictates the motherboard platform needed for deployment.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $1,238.99
Cheaper than about 56% of the 621 comparable items (median $1,561.99).
CPU cores 16-Core
Lower than about 70% of the 386 comparable items (median 24).
Maximum turbo clock 3.9 GHz
Typical for this category: the median of 327 items is 3.9 GHz.

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Specifications

Product
Brand nameIntel
Product lineIntel Xeon Gold
Model nameBX806955218
Product nameXeon Gold 5218
Performance
Working frequency2.3 GHz
Processor
CPU cores16-Core
CPU socketLGA 3647
Maximum turbo clock3.9 GHz
TDP rating125 W
Processor codenameCascade Lake
CPU threads32
Level 3 cache22 MB
64-bit capableYes
Hyper-ThreadingYes
Process node14 nm
Virtualization supportYes
Maximum PCIe lanes48
Memory
Supported memory speed2667 MHz
Channel configuration6 Channel
Ports & slots
PCIe generation3.0
Size & build
Shipping weight0.19 kg
Package size137 × 114 × 46 mm

Questions about this item

What does the 2.3 GHz base clock mean for a server running steady workloads?

The processor runs at 2.3 GHz on all 16 cores under sustained load, giving predictable throughput for database or virtualization tasks without relying on turbo behaviour.

How does the PCIe 3.0 interface with 48 lanes affect expansion options?

PCIe 3.0 with 48 lanes provides high-bandwidth connectivity for multiple add-in cards such as storage controllers or network adapters in a dual-socket server board.

What cooler clearance and socket hardware does the LGA 3647 package require?

The LGA 3647 socket uses a narrow ILM retention mechanism and needs a heatsink rated for 125 W TDP with the matching mounting pattern for 1U or 2U server chassis.

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