Can I run IS Defense?
IS Defense needs at least NVIDIA GeForce GTX 460 or AMD Radeon HD5850 (1 GB VRAM), and AMD/NVIDIA dedicated with at least 2048MB of dedicated VRAM and with at least Di is recommended. Below: estimated FPS for popular graphics cards and a free check for your own PC.
- ReleaseApr 19, 2016
- Playing now1
- Steam user reviews91 % positive
- ProtonDBpending
Will it run on my PC?
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Enter your graphics card and processor, the result appears right away.
IS Defense system requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Microsoft Windows Vista (SP2) with DirectX 11 update (KB971512-x64), Windows® 7 (Service Pack 1) and Windows 8.1® - (64-bit only) / Windows® 10/ (64-bit only) | Windows® 7 (Service Pack 1) / Windows® 8 / Windows® 8.1 / Windows® 10/ (64-bit only) |
| Processor | 2.6 GHz Intel® Core™ i5-750 or 3.2 GHz AMD Phenom™ II X4 955 | AMD Octa-Core / Intel Quad-Core processor running at 3.4 GHz (AMD FX X8 8350 or Intel Core i5 3570 or newer architectures are recommended) |
| Graphics | NVIDIA GeForce GTX 460 or AMD Radeon HD5850 (1 GB VRAM) | AMD/NVIDIA dedicated with at least 2048MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support. AMD Radeon R9 285 and NVIDIA GeForce GTX 670 and above are recommended graphic cards. |
| Memory | 4 GB RAM | 8 GB RAM |
| Storage | 4 GB available space | 4 GB available space |
Estimated FPS in IS Defense
High settings, no upscaling, with a fast processor (Ryzen 7 7800X3D). Estimates from the game's requirements, not benchmarks.
Not yet checked against benchmarks, a rough estimate that can be off by 25 % or more.
| Graphics card | 1080p | 1440p | 4K |
|---|---|---|---|
| GTX 1060 6GB | 268 | 199 | 121 |
| GTX 1660 Super | 384 | 284 | 173 |
| RTX 2060 | 445 | 329 | 200 |
| RTX 3060 | 500+ | 440 | 268 |
| RTX 4060 | 500+ | 476 | 289 |
| RTX 4060 Ti 8GB | 500+ | 500+ | 342 |
| RTX 4060 Ti 16GB | 500+ | 500+ | 342 |
| RTX 5060 | 500+ | 500+ | 349 |
| RTX 5060 Ti 8GB | 500+ | 500+ | 402 |
| RTX 5060 Ti 16GB | 500+ | 500+ | 402 |
| RX 9060 XT | 500+ | 500+ | 376 |
| RTX 3070 | 500+ | 500+ | 376 |
| RTX 4070 | 500+ | 500+ | 460 |
| RTX 5070 | 500+ | 500+ | 500+ |
| RX 7800 XT | 500+ | 500+ | 483 |
| RX 9070 XT | 500+ | 500+ | 500+ |
| RTX 5070 Ti | 500+ | 500+ | 500+ |
| RTX 4080 | 500+ | 500+ | 500+ |
| RTX 5080 | 500+ | 500+ | 500+ |
| RTX 4090 | 500+ | 500+ | 500+ |
| RTX 5090 | 500+ | 500+ | 500+ |
Which graphics card do I need for IS Defense?
The cheapest current graphics card that reaches each goal, paired with a fast processor.
- 1080p High · 60 FPSIntel Arc B580 12 GB ~500 FPSView on Amazon ↗
- 1440p High · 60 FPSIntel Arc B580 12 GB ~476 FPSView on Amazon ↗
- 1440p High · 144 FPSIntel Arc B580 12 GB ~476 FPSView on Amazon ↗
- 4K High · 60 FPSIntel Arc B580 12 GB ~289 FPSView on Amazon ↗
Prices change often, check the current price in the store. Price check: 10/7/2026.
Optimize and fix performance
Deeper guides and known fixes for IS Defense, straight from the communities and databases PC players trust. We link out, so every tip comes from the real source.
Frequently asked questions
- Can I run IS Defense?
- IS Defense needs at least NVIDIA GeForce GTX 460 or AMD Radeon HD5850 (1 GB VRAM), and AMD/NVIDIA dedicated with at least 2048MB of dedicated VRAM and with at least Di is recommended. Enter your graphics card and processor above to see your estimated FPS, or check your whole Steam library at once.
- What are the system requirements for IS Defense?
- Minimum: graphics NVIDIA GeForce GTX 460 or AMD Radeon HD5850 (1 GB VRAM), processor 2.6 GHz Intel® Core™ i5-750 or 3.2 GHz AMD Phenom™ II X4 955, RAM 4 GB RAM. Recommended graphics card: AMD/NVIDIA dedicated with at least 2048MB of dedicated VRAM and with at least Di.
