Subnautica 2 System Requirements — Minimum & Recommended PC Specs, Benchmarks

Subnautica 2 system requirements are higher than the original game, reflecting the seamless open ocean, improved lighting, and real-time water physics. This Subnautica 2 system requirements guide covers the official minimum and recommended specifications, real-world performance benchmarks across popular GPU configurations, Steam Deck performance analysis, and the best settings adjustments to improve frame rates. Understanding Subnautica 2 system requirements helps you decide whether your current PC can run the game smoothly or if you need to adjust settings before diving in. Whether you are building a new PC or optimizing an existing one, this Subnautica 2 system requirements guide has the data you need.

Official system requirements

The official Subnautica 2 system requirements were published alongside the Early Access launch. The minimum Subnautica 2 system requirements specify an Intel Core i5-4590 or AMD Ryzen 3 1200 processor, 8 GB of RAM, and an NVIDIA GTX 960 or AMD R9 280 GPU. However, real-world testing shows that the minimum Subnautica 2 system requirements achieve only 30–40 fps at 1080p with low settings and reduced draw distance. The recommended Subnautica 2 system requirements call for an Intel Core i7-8700 or AMD Ryzen 5 3600 processor, 16 GB of RAM, and an NVIDIA RTX 2060 Super or AMD RX 6600 XT GPU. At the recommended Subnautica 2 system requirements, you can expect 55–70 fps at 1080p high settings or 45–60 fps at 1440p medium-high settings. The ideal Subnautica 2 system requirements for 60 fps at 1440p ultra settings include an Intel Core i7-13700K or AMD Ryzen 7 7800X3D processor, 32 GB of RAM, and an NVIDIA RTX 4070 or AMD RX 7800 XT GPU. Subnautica 2 system requirements also specify 20 GB of available storage space and Windows 10 (64-bit) as the minimum operating system.

Performance benchmarks and optimization

Real-world Subnautica 2 system requirements testing reveals that the biggest performance impact comes from draw distance and water quality settings. Reducing draw distance from Ultra to High gains 15–20 fps with minimal visible difference in most biomes except the Thermal Spires, where distant vent particles are moderately reduced. Water quality in Subnautica 2 system requirements testing is the second most demanding setting — dropping from Ultra to Medium reclaims 10–15 fps. DLSS and FSR are supported; DLSS Quality mode at 1440p produces equivalent image quality to native 1440p while boosting frame rates by 25–30%. The Thermal Spires and Deep Zone are the most demanding Subnautica 2 system requirements scenarios due to thermal particle effects and draw distance through open water. Performance in the Safe Shallows and Kelp Caves is 15–20% better than the average because of smaller view distances. Subnautica 2 system requirements also include VRAM considerations: at 1080p high settings, the game uses approximately 3.5–4 GB of VRAM. At 1440p ultra, VRAM usage climbs to 6–7 GB. The game runs on DirectX 11 and DirectX 12 modes, with DX12 providing marginally better performance on RTX 30-series and newer cards. Subnautica 2 system requirements for laptop GPUs are essentially the same as desktop equivalents, though thermal throttling in thin laptops may reduce sustained performance by 10–15%.

Steam Deck and console performance

Subnautica 2 system requirements for Steam Deck show the handheld running the game at 30–45 fps with medium-low settings at 800p. The game is marked as Playable (not Verified) due to small UI text in co-op chat that can be hard to read on the Deck's screen. Recommended Steam Deck settings for Subnautica 2 system requirements optimization: set draw distance to Low, water quality to Medium, disable ambient occlusion, enable FSR in Performance mode, and lock to 40 fps for a consistent experience. On console, the Subnautica 2 system requirements translate to locked 60 fps at dynamic 1440p on Xbox Series X and PlayStation 5, and locked 60 fps at 1080p on Xbox Series S. Subnautica 2 system requirements on console are not adjustable beyond the standard performance vs quality preset toggle. As the game receives updates, Subnautica 2 system requirements may increase slightly with the addition of new biomes and creatures with higher polygon counts, though Unknown Worlds has committed to maintaining the current minimum specifications throughout Early Access.