Iron Sea Defenders
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Estimated FPS across quality settings and resolutions
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Iron Sea Defenders FPS by GPU
Estimated framerates for 14 reference GPUs · pick a resolution and quality
Full benchmark grid · 14 GPUs × 4 qualities × 3 resolutions
1080p performance
| GPU | low | medium | high | ultra |
|---|---|---|---|---|
| RTX 5090 | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 4090 | 999 fps | 999 fps | 999 fps | 999 fps |
| RX 7900 XTX | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 5080 | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 4080 Super | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 4070 Ti | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 4070 | 999 fps | 999 fps | 999 fps | 903 fps |
| RX 7800 XT | 999 fps | 999 fps | 979 fps | 795 fps |
| RTX 3080 | 999 fps | 999 fps | 953 fps | 774 fps |
| RTX 4060 Ti | 999 fps | 999 fps | 900 fps | 731 fps |
| RTX 3070 | 999 fps | 999 fps | 820 fps | 666 fps |
| RTX 4060 | 999 fps | 926 fps | 741 fps | 602 fps |
| RTX 3060 | 992 fps | 794 fps | 635 fps | 516 fps |
| GTX 1660 Super | 719 fps | 576 fps | 460 fps | 374 fps |
1440p performance
| GPU | low | medium | high | ultra |
|---|---|---|---|---|
| RTX 5090 | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 4090 | 999 fps | 999 fps | 999 fps | 999 fps |
| RX 7900 XTX | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 5080 | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 4080 Super | 999 fps | 999 fps | 999 fps | 999 fps |
| RTX 4070 Ti | 999 fps | 999 fps | 972 fps | 790 fps |
| RTX 4070 | 999 fps | 999 fps | 834 fps | 677 fps |
| RX 7800 XT | 999 fps | 918 fps | 734 fps | 597 fps |
| RTX 3080 | 999 fps | 893 fps | 714 fps | 580 fps |
| RTX 4060 Ti | 999 fps | 843 fps | 675 fps | 548 fps |
| RTX 3070 | 961 fps | 769 fps | 615 fps | 500 fps |
| RTX 4060 | 868 fps | 695 fps | 556 fps | 451 fps |
| RTX 3060 | 744 fps | 595 fps | 476 fps | 387 fps |
| GTX 1660 Super | 540 fps | 432 fps | 345 fps | 281 fps |
4K performance
| GPU | low | medium | high | ultra |
|---|---|---|---|---|
| RTX 5090 | 999 fps | 999 fps | 889 fps | 722 fps |
| RTX 4090 | 999 fps | 999 fps | 826 fps | 671 fps |
| RX 7900 XTX | 999 fps | 926 fps | 741 fps | 602 fps |
| RTX 5080 | 999 fps | 873 fps | 699 fps | 568 fps |
| RTX 4080 Super | 999 fps | 820 fps | 656 fps | 533 fps |
| RTX 4070 Ti | 810 fps | 648 fps | 519 fps | 421 fps |
| RTX 4070 | 695 fps | 556 fps | 445 fps | 361 fps |
| RX 7800 XT | 612 fps | 490 fps | 392 fps | 318 fps |
| RTX 3080 | 595 fps | 476 fps | 381 fps | 310 fps |
| RTX 4060 Ti | 562 fps | 450 fps | 360 fps | 292 fps |
| RTX 3070 | 513 fps | 410 fps | 328 fps | 267 fps |
| RTX 4060 | 463 fps | 370 fps | 296 fps | 241 fps |
| RTX 3060 | 397 fps | 318 fps | 254 fps | 206 fps |
| GTX 1660 Super | 288 fps | 230 fps | 184 fps | 150 fps |
Where to buy
Iron Sea Defenders
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$14.99
Minimum Hardware
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Genres
About
Iron Sea Defenders (2016) is an indie strategy game that places players in the role of fort defenders, tasked with manning powerful cannons to fend off an enemy fleet. The gameplay combines tactical defense with resource management, allowing players to build and upgrade weaponry while battling varied enemy types. This unique historical context sets the stage for an immersive and often intense gaming experience.
In terms of PC performance, Iron Sea Defenders is relatively accessible, requiring only an entry-level GPU with a minimum score of around 800 to achieve decent frame rates. Players can expect smooth FPS on modest hardware configurations, with 1 GB of RAM as the baseline requirement. For optimal performance, players should consider GPUs from the lower mid-range tier to comfortably run the game at higher graphics settings.
With a rating of 70/100, Iron Sea Defenders offers a solid mix of strategy and action that is appealing to fans of the genre. If you enjoy indie games that challenge your tactical skills and immerse you in a historical setting, this title is worth exploring.
Performance profile
Released in September 2016, Iron Sea Defenders sits in the DirectX 11 generation. Comfortable on any modern mid-range GPU at 1440p; even an RTX 3050 or RX 6600 typically delivers 4K60 at High settings.
As a strategy title, Iron Sea Defenders is typically CPU-bound rather than GPU-bound — single-thread CPU performance dictates framerate during large-scale battles, end-game saves and late-game AI turns. A fast modern 6-core will help more than a GPU upgrade.
Extremely light — Iron Sea Defenders runs at 60 FPS 1080p on any integrated GPU (Intel Iris Xe, AMD Radeon Graphics) or a decade-old discrete card like the GTX 1050. A current-gen RTX 4060 pushes 4K Ultra without effort.
