Intel Xeon W7-3445 20c/40t 2.6GHz-4.8GHz 324W (PK8071305081900)

Intel Xeon W7-3445 — High-End Workstation CPU for Production-Grade Rendering, Simulation & Engineering Workflows

The Intel Xeon W7-3445 is a workstation-class processor built for professionals who depend on deterministic performance, high memory bandwidth and long-duration stability. Positioned in the Sapphire Rapids “W-Series” lineup, it delivers 20 cores and 40 threads with a balance of clock speed, cache capacity and I/O density tailored for heavy digital content creation, CAE/CFD simulations, CAD engineering workloads and multi-application production pipelines.

Unlike consumer-grade CPUs optimized for bursty, short-lived tasks, the W7-3445 is engineered for sustained compute. Long rendering jobs, scientific solvers, physics simulations and multi-stage compositing pipelines benefit from stable frequency under load, predictable thermal behavior and the architectural maturity of Sapphire Rapids’ Golden Cove cores. These cores deliver strong single-thread performance—critical for CAD tools, 3D modeling interfaces and compilation workloads—while offering robust scaling in threaded environments like Arnold, V-Ray, Blender Cycles, Houdini Karma or multi-physics solvers.

One of the most defining characteristics of the W7-3445 is its support for quad-channel DDR5 memory up to 4 TB. This drastically expands capability for artists and engineers working with ultra-high-resolution assets, large simulation domains or datasets that exceed typical workstation memory limits. High-frequency DDR5 also benefits scratch-heavy workloads such as video post-production, volumetric rendering, 8K/12K timelines and deep-stack compositing.

The architecture incorporates a large 52.5 MB L3 cache that reduces memory latency bottlenecks in geometry processing, particle simulation, database operations, and software relying on iterative solvers. Combined with 4.8 GHz turbo capabilities, the CPU achieves strong responsiveness in complex viewport scenes, real-time shading previews, build pipelines and interactive simulation setups.

PCIe 5.0 support further extends the processor’s workstation relevance. With up to 112 PCIe lanes available in the W-Series platform, professionals can deploy multiple high-end GPUs, ultra-fast NVMe storage arrays, capture boards and networking accelerators—all without bandwidth contention. This positions the W7-3445 as a foundation for GPU-accelerated rendering farms, hybrid CPU/GPU simulation workflows, AI inference pipelines, and multi-dGPU creative systems.

In practical use, the Xeon W7-3445 fits organizations and creators who require high-end workstation performance for sustained loads, stable operation under 24/7 rendering or simulation tasks, strong single-thread performance for CAD and modeling tools, large-scale memory capacity for scientific, engineering and VFX workloads, and expandability for multi-GPU workflows and high-bandwidth storage.

Compared to higher-core W-Series models, the W7-3445 often delivers superior performance per dollar in mixed workloads where frequency, cache behavior and memory speed matter as much as raw thread count. For studios, engineering firms and technical creators building reliable production workstations, it represents a powerful and balanced choice.