Houdini

Recommended hardware for procedural modeling, FX simulation, and Karma/Mantra rendering in SideFX Houdini.

Updated for Houdini 20

Hardware Priority

Which components matter most for Houdini performance. Prioritize your budget accordingly.

CPU
95%
Most Critical
RAM
90%
Most Critical
GPU
75%
Important
Storage
70%
Important

Recommended Configurations

Three tiers to match your simulation complexity and budget.

Entry Level

$4,000 – $6,000
Procedural modeling, lightweight sims, Karma CPU rendering, learning and prototyping
  • CPU AMD Ryzen 9 7900X (12-core / 24-thread)
  • GPU NVIDIA RTX 4070 Ti (12GB VRAM)
  • RAM 64GB DDR5-5600
  • Storage 1TB NVMe (OS) + 2TB NVMe (Sim Cache)
  • Network 1GbE (onboard)
Solid for freelancers doing procedural work and moderate-scale FX

Ultra

$18,000 – $28,000
Massive destruction/ocean sims, film-scale Pyro, multi-GPU Karma XPU, large-scale crowds
  • CPU AMD Threadripper PRO 7995WX (96-core / 192-thread)
  • GPU 2x NVIDIA RTX 4090 (24GB VRAM each)
  • RAM 256GB+ DDR5 ECC
  • Storage 4TB NVMe (OS/Apps) + 8TB NVMe (Sim Cache) + SAN
  • Network 25GbE or Fibre Channel (SAN connectivity)
For studios running film-scale destruction, ocean, and crowd simulations

Why These Specs?

The reasoning behind each hardware recommendation for Houdini.

⚙️

CPU Cores Are Everything

Houdini's simulation solvers -- FLIP fluids, Pyro, Vellum cloth/grains, RBD destruction -- all scale with CPU core count. A FLIP ocean simulation that takes 4 hours on 16 cores can drop to under 1 hour on 64 cores. The 7995WX with 96 cores is the ultimate Houdini CPU, but even a 16-core 7950X delivers excellent per-dollar performance for most production work.

🧠

RAM for Caching Sim Frames

Large-scale simulations generate enormous amounts of data per frame. A single Pyro simulation can easily consume 8-16GB of RAM per frame during solve. Deep ocean FLIP simulations with millions of particles can demand 128GB or more. Running out of RAM forces Houdini to swap to disk, which can slow simulations by 10-100x.

🎮

GPU -- Increasingly Important

Karma XPU is SideFX's hybrid CPU+GPU renderer that leverages NVIDIA RTX hardware for dramatically faster render times compared to CPU-only Mantra. The Solaris viewport also benefits from strong GPU performance for interactive lookdev and lighting. Dual RTX 4090s can cut Karma XPU render times nearly in half compared to a single card.

💾

High Core Count = Threadripper

For heavy simulation work, Threadripper PRO is the only desktop platform offering 32, 64, or 96 cores with 8-channel DDR5 memory. The extra memory bandwidth is critical when dozens of cores are simultaneously reading and writing simulation data. Consumer platforms top out at 16-24 cores, which limits peak simulation throughput.

Rent a Houdini Workstation

Need a high-core-count workstation for a simulation-heavy show? We offer Threadripper PRO workstations on flexible rental terms.