Intel Xeon Gold 6144 CPU — Detailed Overview
The Intel Xeon Gold 6144 is a high-frequency, performance-optimized server processor in the Intel Xeon Scalable Gold 6100 series, based on the Skylake-SP architecture. Unlike many other CPUs in the lineup that emphasize high core counts, the Xeon Gold 6144 focuses on maximum single-core performance, making it ideal for workloads that require high clock speeds, low latency, and strong per-core throughput.
With 8 cores, 16 threads, and an exceptionally high 3.5 GHz base clock, the Xeon Gold 6144 is one of the fastest CPUs in the Skylake-SP generation for lightly threaded or mixed workloads.
Intel Xeon Gold 6144 — Full Specifications
| Parameter | Details |
|---|---|
| Processor Family | Intel Xeon Scalable (Gold Series) |
| Model Number | Xeon Gold 6144 |
| Architecture / Codename | Skylake-SP |
| Manufacturing Process | 14 nm |
| Cores | 8 |
| Threads | 16 |
| Base Clock | 3.50 GHz |
| Max Turbo Frequency | 4.20 GHz |
| All-Core Turbo (Typical) | ~4.0 GHz |
| L1 Cache | 512 KB total (64 KB D + 32 KB I per core) |
| L2 Cache | 8 MB (1 MB per core) |
| L3 Cache | 24.75 MB shared |
| TDP (Thermal Design Power) | 150 W |
| Max Operating Temperature (Tcase) | 77°C |
| Memory Support | DDR4-2666 ECC Registered |
| Memory Channels | 6 channels |
| Max Memory Capacity | 768 GB |
| PCI Express Lanes | 48 lanes (PCIe 3.0) |
| UPI Links | 2 × 10.4 GT/s (fewer links than higher-core models) |
| Socket Type | FCLGA3647 |
| Instruction Extensions | SSE4.2, AVX, AVX2, AVX-512 (1 FMA unit) |
| Virtualization Support | Intel VT-x, VT-d, EPT |
| Security Features | AES-NI, Intel TXT, Secure Key, Execute Disable Bit |
| Advanced Technologies | Turbo Boost 2.0, Hyper-Threading, Speed Shift |
| Launch Date | Q3 2017 |
| Status | Discontinued |
Performance Highlights
1. Exceptional Single-Core Performance
With a 3.5 GHz base and 4.2 GHz turbo, the Xeon Gold 6144 is one of the highest-frequency Xeons in the 6100 series.
This makes it ideal for workloads that depend on per-core speed, such as:
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High-frequency trading (HFT)
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CAD and engineering applications
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Database front-end workloads
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Real-time analytics
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Scientific applications with limited thread scaling
2. Optimized for Low-Latency Workloads
Low core count combined with extremely high clock speeds provides superb responsiveness, low latency, and superior IPC-driven performance.
3. Strong Memory Bandwidth
Despite having only 8 cores, the CPU retains 6-channel DDR4-2666, allowing excellent throughput for memory-sensitive workloads.
4. AVX-512 Support
The Xeon Gold 6144 includes AVX-512, although with one FMA unit (since it is a lower-core model), accelerating:
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Scientific simulations
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Encryption and compression
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Engineering workloads
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AI/ML inference (CPU-based)
5. Excellent Expandability
48 PCIe 3.0 lanes allow integration of:
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NVMe SSDs
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High-speed NICs
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GPUs or compute accelerators
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Storage controllers
Advantages of the Xeon Gold 6144
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One of the highest-frequency Xeon CPUs in the 6100 series
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Exceptional single-thread and latency-sensitive performance
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High turbo clock improves mixed workloads
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Strong memory bandwidth with 6-channel ECC
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Excellent platform scalability
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Ideal for applications where core speed > core count
Limitations to Consider
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Only 8 cores, not ideal for massive parallel workloads
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High TDP (150 W) for its core count due to its high clock speeds
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PCIe 3.0 only, no PCIe 4.0/5.0
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Discontinued; mostly available on secondary markets
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AVX-512 performance lower than dual-FMA models (fewer execution units)
Ideal Use Cases
The Xeon Gold 6144 excels in scenarios where per-core performance is more important than raw core count:
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High-frequency trading systems
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Enterprise applications with low thread scaling
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Database front-end workloads (MySQL, PostgreSQL, Oracle)
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CAD/CAE engineering software
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Real-time analytics and financial modeling
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High-speed industrial control systems
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Virtual machines with high single-core requirements
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