Boxed AMD Ryzen Threadripper PRO 3945WX Processor 64 Cores CPU 128 Threads – 256 MB Cache up to 5.1GHz Clock Zen 4

Specification	Threadripper PRO 3945WX	Threadripper PRO 3955WX	Threadripper PRO 3975WX	Intel Core i9-10980XE (Competitor)
Architecture	Zen 2 (7nm)	Zen 2 (7nm)	Zen 2 (7nm)	Cascade Lake (14nm)
Cores / Threads	12 / 24	16 / 32	32 / 64	18 / 36
Base Clock (GHz)	4.0	3.9	3.5	3.0
Max Boost (GHz)	4.3	4.3	4.2	4.8 (Thermal Velocity Boost)
L3 Cache (MB)	64	64	128	24.75
TDP (Watts)	280W	280W	280W	165W
PCIe Lanes	128 PCIe 4.0	128 PCIe 4.0	128 PCIe 4.0	48 PCIe 3.0
Memory Support	8-channel DDR4-3200	8-channel DDR4-3200	8-channel DDR4-3200	4-channel DDR4-2933
Max Memory (TB)	2	2	2	256GB
Socket	sWRX8	sWRX8	sWRX8	LGA 2066
Security Features	AMD PRO, SME, SEV	AMD PRO, SME, SEV	AMD PRO, SME, SEV	Intel vPro, SGX, TPM 2.0
Target Use Case	Prosumer workstations, 3D rendering, mid-range content creation	High-end workstations, v

AMD Ryzen Threadripper PRO 3945WX – Overview & Key Features

The AMD Ryzen Threadripper PRO 3945WX is a 12-core, 24-thread workstation-grade CPU built on AMD’s Zen 2 (7nm) architecture, designed for high-performance computing, professional content creation, and demanding multi-threaded workloads. Unlike standard Threadripper CPUs, the PRO series includes enterprise-grade security, enhanced memory support, and massive I/O bandwidth, making it ideal for engineers, 3D artists, and developers who need workstation reliability.

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Key Specifications & Performance

✅ 12 Cores / 24 Threads – Optimized for multi-threaded workloads like rendering, simulation, and virtualization.
✅ High Clock Speeds – 4.0 GHz base / 4.3 GHz boost for strong single-threaded performance in applications like CAD and game development.
✅ 64MB L3 Cache – Reduces latency in data-heavy tasks (e.g., video editing, large code compilations).
✅ 128 PCIe 4.0 Lanes – 4x more than Intel HEDT CPUs, enabling multi-GPU setups, high-speed NVMe storage, and workstation expansion.
✅ 8-Channel DDR4-3200 Memory – Double the bandwidth of consumer platforms, crucial for large datasets and real-time rendering.
✅ 280W TDP – Requires robust cooling but delivers sustained performance under heavy loads.
✅ AMD PRO Technologies – Hardware-level security (SME, SEV, Secure Boot) for enterprise environments.

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Target Workloads & Use Cases

🔹 3D Rendering & Animation (Blender, Maya, Cinema 4D)
🔹 CAD & Engineering Simulations (SolidWorks, ANSYS, AutoCAD)
🔹 Video Editing & Post-Production (DaVinci Resolve, Premiere Pro)
🔹 Virtualization & Software Development (VMware, Docker, large codebases)
🔹 Scientific Computing & Data Analysis (MATLAB, Python, machine learning)

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Advantages Over Competing CPUs

✔ Superior PCIe 4.0 Bandwidth – Outperforms Intel’s HEDT lineup (e.g., i9-10980XE) in multi-GPU and storage-heavy workflows.
✔ Higher Memory Bandwidth – 8-channel RAM vs. Intel’s 4-channel, critical for memory-bound tasks.
✔ Better Multi-Core Scaling – Zen 2’s efficiency allows sustained performance in heavily threaded apps.

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Who Should Buy This CPU?

The Threadripper PRO 3945WX is best for:

• Professionals who need high clock speeds + multi-core power (e.g., game devs, engineers).

• Workstation users who require PCIe 4.0 expansion (multi-GPU, NVMe arrays).

• Content creators working with 4K/8K video or 3D rendering.

• Developers running VMs, compilers, or data science workloads.

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Considerations

⚠ Not for Gamers – Gaming performance lags behind Ryzen 9 due to NUMA overhead.
⚠ Power-Hungry – Requires a high-end cooler and robust PSU.
⚠ Workstation Motherboard Needed – sWRX8 socket (ASUS Pro WS, Gigabyte TRX40).

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Verdict

The 3945WX sits between mainstream Ryzen 9 and extreme Threadripper PRO models, offering a balance of clock speed, cores, and workstation features. If you need more cores, consider the 3955WX (16-core) or 3975WX (32-core)—but for single-threaded + moderate multi-threaded workloads, the 3945WX is a cost-effective pro-grade solution.