2.7GHz-24GT-UPI

The Intel Xeon 24‑Core 2.7GHz 24GT UPI processor subcategory represents a high-caliber option in Intel’s Scalable Xeon family—combining a robust core count, strong base clock speed, and Intel’s 24 GT/s Ultra Path Interconnect (UPI) for exceptional multi-socket coherence. Ideal for enterprise-grade virtualization, AI inference, database services, and high-performance computing (HPC), this class strikes a balance between throughput and frequency-sensitive workloads.

Overview of Xeon 24‑Core 2.7GHz 24GT UPI Processors

Officially positioned between higher-core but lower-frequency models and dual-socket–ready high-frequency chips, the 24-core 2.7GHz Xeons offer a balanced compute platform for modern server deployments. With 24 physical cores and 48 threads enabled by Hyper‑Threading, they deliver strong concurrency alongside a respectable 2.7 GHz base clock—boosting up to approximately 3.9–4.0 GHz on selected cores.

Primary Specifications & Architectural Features

• 24 physical cores / 48 threads with Intel Hyper‑Threading
• Base clock speed: 2.7 GHz; turbo boost up to ~4.0 GHz (model‑dependent)
• Intel Smart Cache: ~35MB–55MB shared L3 cache
• Memory support: 6–8‑channel DDR4/DDR5 ECC, up to 2 TB per socket
• PCIe lanes: Up to 64 lanes (Gen 4.0 or 5.0)
• TDP range: 165 – 205 W, depending on SKU and workload
• Socket compatibility: LGA 4189 / LGA 4677 (generation dependent)
• Intel UPI 24 GT/s interconnect for multi-socket coherence

Core Architecture & Fabric Interconnect

Built on advanced production nodes like Intel’s 10nm “Ice Lake” or Intel 7 “Sapphire Rapids,” these CPUs feature a high-speed mesh interconnect and integrated accelerators including AVX‑512, Deep Learning Boost (VNNI), and Crypto extensions. The 24 GT/s UPI offers both high bandwidth and low latency for cache-coherent multi-socket configurations.

Cache & Memory Subsystem

A multi-tiered cache system (L1, L2, and shared L3 pool) ensures efficient intra-socket communication. Support for DDR4/DDR5 registered ECC memory across 6–8 channels per socket delivers up to 200+ GB/s memory bandwidth—ideal for in-memory databases, real-time analytics, and latency-sensitive services.

Key Cache & Memory Highlights

• Large shared L3 cache (35–55MB), improving data reuse
• Memory Interleaving across channels to reduce latency
• ECC protection ensuring data correctness and uptime
• NUMA-aware fabric for memory optimization in dual/quad setups

Performance Relative to Workloads

The Xeon 24-core 2.7GHz lineup is highly versatile, spanning performance-sensitive and parallel workloads alike. The moderately high base frequency makes it especially strong in mixed-use servers.

Virtualization & Cloud Services

With 48 threads per socket and UPI coherence, these processors support dense virtual machine (VM) or container deployments in hyper-converged infrastructures. They deliver strong single-threaded performance and efficient multi-thread scaling in VMware, Hyper-V, KVM, or container environments.

Enterprise Databases & Data Warehousing

Oracle, SQL Server, and PostgreSQL workloads benefit from high per-core frequency and plentiful L3 cache. In data warehouse or OLTP scenarios, consistent performance and memory bandwidth greatly reduce query latency and improve transaction performance.

AI Inference & Analytics

Deep Learning Boost (VNNI) enables effective AI inference on CPU-only setups. With AVX‑512 and vector acceleration, these CPUs handle everything from computer vision to NLP workloads. They also make excellent pre- and post-processing engines in hybrid CPU+GPU pipelines.

HPC & Parallel Computing

Fluid dynamics, molecular modeling, and simulation workloads gain from strong multithread scaling and memory performance. The UPI interconnect also allows near-linear scaling in multi-socket HPC clusters.

Security & Reliability Features (RAS)

Security and server-grade reliability are cornerstones of the Xeon line:

Security Technologies

• Intel SGX enclaves for secure code execution
• Intel Boot Guard and BIOS Guard for firmware protection
• Total Memory Encryption (TME) safeguarding in-memory data
• AES-NI, SHA extensions for hardware-accelerated cryptography

Reliability, Availability & Serviceability (RAS)

Enterprise features include:

• ECC memory & CPU-on-die parity checking
• Machine Check Architecture (MCA) with error containment
• Intel Run Sure Technology for preemptive fault detection
• Adaptive thermal sensors and dynamic thermal control

Power, Thermal, and Efficiency Considerations

Despite high performance, Xeon 24-core 2.7GHz processors maintain operational efficiency via intelligent power management and tuning features:

Thermal Design Power (TDP) Profiles

• TDP ranges from 165 – 205 W depending on SKU
• Optimized for 2U/4U rack-mounted server environments
• Supports advanced cooling: liquid-cooling or high-static fans

Energy-Efficient Features

• Per-core power gating during low-utilization
• Intel Speed Select Technology enabling P-core/E-core tuning
• Compliance with ENERGY STAR® and ASHRAE thermal guidelines

Platform Integration & Ecosystem

These CPUs are compatible across major server vendors and recent chipsets:

Socket & Motherboard Support

• Socket: LGA 4189 or LGA 4677
• Chipsets: Intel C621A, C741, or later variants
• Supports full PCIe lane count, UPI links, memory channels
• Modular BIOS/firmware with Intel Boot Guard compatibility

Expansion, Storage & Networking

• Up to 64 PCIe lanes (Gen 4 or Gen 5) for GPU, NVMe, NICs
• Support for 25/50/100GbE, InfiniBand, and NVMe RAID configurations
• High bandwidth I/O for big data, AI, and virtualization

Deployment Scenarios & Sector Adoption

Enterprises and service providers deploy Xeon 24-core 2.7GHz CPUs in versatile environments:

• Financial services: real-time trading systems, risk analytics
• Cloud providers: VM farms, edge compute nodes
• AI industrial: inference hubs, batch processing engines
• Molecular/R&D: simulations, genomics analysis
• Telecom/datacom: packet inspection, network function virtualization (NFV)

Comparative Positioning & SKU Guide

Compared to higher-core (28–32) Xeons, the 24-core 2.7GHz offers a balance of single-thread performance, multi-threaded throughput, and cost-efficiency. For instance:

Recommended SKUs

• Xeon Gold 5449Y: 24 cores @ 2.7 GHz; balanced for general enterprise
• Xeon Platinum 8456H: 24 cores @ 2.7 GHz, high-speed memory, AI-enhanced
• Xeon Gold 6454Y: 24 cores, energy-optimized, supports Speed Select

SKU Selection Based on Use Case

• Virtualization-heavy: 5449Y for cost-effective core density
• AI/data analytics: 8456H for VNNI/AVX-512 benefits
• Power-efficient deployments: 6454Y for TCO-sensitive builds

Future Roadmap & Upgradeability

Xeon 24-core 2.7GHz CPUs are part of Intel’s long-term scalable ecosystem. Future CPU generations continue to support the same socket standards, UPI architecture, and memory lanes, enabling smooth upgrade paths in mixed-generation multi-socket clusters.